Deerfield, IL Warnings, Watches and Advisories
SAFETY and DATA MESSAGE
Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.
Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Deerfield.
Use the Radar Maps link provided to understand the trajectory of a storm.
NWS Active Alerts for IL - Map View
Lake Wind Advisory
Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid
The Lake Wind Advisory has been cancelled.
The Lake Wind Advisory has been cancelled and is no longer in effect.
Minor
Observed
Past
April 21st, 2026 04:00:00 pm CDT
April 21st, 2026 04:00:00 pm CDT
April 21st, 2026 04:15:20 pm CDT
Flood Warning
Lake, IL; Kenosha, WI
Flood Warning issued April 21 at 3:58PM CDT by NWS Milwaukee/Sullivan WI
...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Crawfish River At Milford affecting Jefferson County. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Jefferson affecting Jefferson County. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Fox River Lower At Rochester affecting Racine County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. Wisconsin River At Portage affecting Columbia County. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, There is flooding of the lower levels of homes in the Town of Wheatland and Village of Salem Lakes areas long Riverside Drive, Shorewood Drive, 101st Street and Shorewood Terrace. * ADDITIONAL DETAILS... - At 3:00 PM CDT Tuesday the stage was 14.5 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:00 PM CDT Tuesday was 14.7 feet. - Forecast...The river is expected to fall to 11.0 feet Tuesday, April 28. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 14.5 feet on 04/20/2013. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 03:58:00 pm CDT
April 21st, 2026 03:58:00 pm CDT
April 22nd, 2026 04:00:00 am CDT
Flood Warning
Winnebago, IL; Rock, WI
Flood Warning issued April 21 at 3:58PM CDT by NWS Milwaukee/Sullivan WI
...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Crawfish River At Milford affecting Jefferson County. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Jefferson affecting Jefferson County. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Fox River Lower At Rochester affecting Racine County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. Wisconsin River At Portage affecting Columbia County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until further notice. * IMPACTS...At 11.1 feet, Floodwaters affect Riverside Park and a road in Riverside park on the north side of Janesville and South River Road on the south side of Janesville. Floodwaters affect low spots on South River Rd on the south side of Janesville. Floodwaters affect a home on South Christian Rd on the east side of the river in the Afton area. There is extensive lowland and agricultural land flooding in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 7:00 AM CDT Tuesday the stage was 10.4 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 AM CDT Tuesday was 10.4 feet. - Forecast...The river is expected to rise to a crest of 10.9 feet early Thursday afternoon. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 11.0 feet on 06/01/2004. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 03:58:00 pm CDT
April 21st, 2026 03:58:00 pm CDT
April 22nd, 2026 04:00:00 am CDT
Flood Warning
Winnebago, IL
Flood Warning issued April 21 at 11:57AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Pecatonica River near Shirland affecting Winnebago County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. For the Rock River...including Latham Park, Byron, Rockton... Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pecatonica River from Winnebago County line downstream to confluence with the Rock River, including the Shirland gauge. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Structures threatened at Rivers Edge Campground east of Shirland. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 13.9 feet. - Recent Activity...The river stage crested yesterday and has begun a slow fall. - Forecast...The river is expected to gradually fall over the next several days. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:57:00 am CDT
April 21st, 2026 11:57:00 am CDT
April 22nd, 2026 06:00:00 am CDT
Flood Warning
Winnebago, IL
Flood Warning issued April 21 at 11:57AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Pecatonica River near Shirland affecting Winnebago County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. For the Rock River...including Latham Park, Byron, Rockton... Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River from Swanson Road in Roscoe downstream to Shorewood Park in Loves Park, including the Latham Park gauge. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Queen Oaks Drive is threatened in Machesney Park. Lower-level of elevated structures threatened along Harbor Lights Court west of Machesney Park. Ritter Drive is threatened north of Baldwin Drive in Machesney Park. * ADDITIONAL DETAILS... - At 11:30 AM CDT Tuesday the stage was 11.3 feet. - Recent Activity...The river stage remains fairly steady since yesterday - Forecast...The river is expected to gradually fall over the next several days and may fall below moderate flood stage late Thursday. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:57:00 am CDT
April 21st, 2026 11:57:00 am CDT
April 22nd, 2026 06:00:00 am CDT
Flood Warning
Ogle, IL
Flood Warning issued April 21 at 11:57AM CDT until April 25 at 7:00AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Pecatonica River near Shirland affecting Winnebago County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. For the Rock River...including Latham Park, Byron, Rockton... Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River from Confluence with Kishwaukee River to Castle Rock State Park near Oregon, including the Byron gauge. * WHEN...Until Saturday. * IMPACTS...At 13.5 feet, Numerous low-lying structures downstream of Byron are flooded. * ADDITIONAL DETAILS... - At 11:15 AM CDT Tuesday the stage was 13.9 feet. - Recent Activity...The river stage continues to gradually fall. - Forecast...The river is expected to continue a gradual fall and may fall below flood stage late this week. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:57:00 am CDT
April 21st, 2026 11:57:00 am CDT
April 22nd, 2026 06:00:00 am CDT
Flood Warning
Winnebago, IL
Flood Warning issued April 21 at 11:57AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Pecatonica River near Shirland affecting Winnebago County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. For the Rock River...including Latham Park, Byron, Rockton... Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River from Prairie Hill Road downstream to Swanson Road in Roscoe, including the Rockton gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Multiple low-lying roads threatened along the river in Roscoe. * ADDITIONAL DETAILS... - At 11:30 AM CDT Tuesday the stage was 12.2 feet. - Recent Activity...The river stage remains fairly steady since yesterday - Forecast...The river is expected to gradually fall over the next several days. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:57:00 am CDT
April 21st, 2026 11:57:00 am CDT
April 22nd, 2026 06:00:00 am CDT
Flood Warning
Lake, IL
Flood Warning issued April 21 at 11:41AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Lake IL and Cook Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Des Plaines, Russell, Lincolnshire, Gurnee...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until further notice. * IMPACTS...At 9.5 feet, Residential structures threatened along Russell Road between the river and Kilbourne Road. Industrial parking lots threatened along Kilbourne Road. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 8.9 feet. - Recent Activity...The river stage fell below moderate flood stage overnight and continues a slow fall. - Forecast...The river is expected to gradually fall over the next several days. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:41:00 am CDT
April 21st, 2026 11:41:00 am CDT
April 22nd, 2026 05:45:00 am CDT
Flood Warning
Lake, IL
Flood Warning issued April 21 at 11:41AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Lake IL and Cook Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Des Plaines, Russell, Lincolnshire, Gurnee...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until further notice. * IMPACTS...At 10.0 feet, Residences threatened along Kilbourne Road and near O'Plaine Road and McClure Avenue in Gurnee. Businesses threatened along Old Grand Avenue near IL-132 in Gurnee. IL-132 (Grand Avenue) is threatened east of the river in Gurnee. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 10.2 feet. - Recent Activity...The river stage continues to gradually fall. - Forecast...The river is expected to continue to gradually fall over the next several days and may fall below moderate flood stage tomorrow night. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:41:00 am CDT
April 21st, 2026 11:41:00 am CDT
April 22nd, 2026 05:45:00 am CDT
Flood Warning
Cook, IL; Lake, IL
Flood Warning issued April 21 at 11:41AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Lake IL and Cook Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Des Plaines, Russell, Lincolnshire, Gurnee...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...Until further notice. * IMPACTS...At 15.0 feet, Structures threatened along IL-22 (Half-Day Road) just east of the river. Multiple structures threatened near and west of US-45 (Milwaukee Avenue) and Deerfield Road. Deerfield Road threatened near the river. Multiple trails inundated in Half-Day Forest Preserve. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 15.0 feet. - Recent Activity...The river stage crested yesterday and continues a slow fall. - Forecast...The river is expected to continue to gradually fall and may fall below moderate flood stage tomorrow night. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:41:00 am CDT
April 21st, 2026 11:41:00 am CDT
April 22nd, 2026 05:45:00 am CDT
Flood Warning
Cook, IL
Flood Warning issued April 21 at 11:41AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Lake IL and Cook Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Des Plaines, Russell, Lincolnshire, Gurnee...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...Until further notice. * IMPACTS...At 18.5 feet, Big Bend Road threatened in Des Plaines. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 17.9 feet. - Recent Activity...The river stage crested overnight and has begun a slow fall. - Forecast...The river is expected to continue to gradually fall over the next few days. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:41:00 am CDT
April 21st, 2026 11:41:00 am CDT
April 22nd, 2026 05:45:00 am CDT
Flood Warning
Kane, IL; Lake, IL; McHenry, IL
Flood Warning issued April 21 at 11:32AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, Kane and McHenry Counties. For the Fox River (Illinois)...including Montgomery, Algonquin Lock & Dam tailwater...Major flooding is forecast. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Residences threatened along Oceola Drive in Algonquin. A few residences threatened along McBridge Street in Elgin. Jayne Street and Beach Drive threatened in Algonquin. River Street threatened in East Dundee. Jerusha Avenue threatened in Elgin. Fox River Trail threatened between East Dundee and Elgin. At 12.0 feet, Structures threatened along River Street, Johnson Street, and Maiden Lane in East Dundee. North Harrison Street threatened near Riverside Park in Algonquin. Washington Street threatened in Carpentersville. Water Street, Edwards Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road threatened in Elgin. Low-lying areas of Festival Park are threatened in Elgin. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 11.8 feet. - Recent Activity...The river stage continues to gradually rise. - Forecast...The river is expected to gradually rise and reach Major flood stage late this week. - Flood stage is 9.5 feet. - Flood History...This crest compares to a previous crest of 11.8 feet on 05/23/2020. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:32:00 am CDT
April 21st, 2026 11:32:00 am CDT
April 22nd, 2026 05:45:00 am CDT
Flood Warning
Kane, IL; Kendall, IL
Flood Warning issued April 21 at 11:32AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, Kane and McHenry Counties. For the Fox River (Illinois)...including Montgomery, Algonquin Lock & Dam tailwater...Major flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 13.6 feet. - Recent Activity...The river stage remains relatively flat. - Forecast...The river is expected to remain steady state. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:32:00 am CDT
April 21st, 2026 11:32:00 am CDT
April 22nd, 2026 05:45:00 am CDT
Flood Warning
Bureau, IL; La Salle, IL; Putnam, IL
Flood Warning issued April 21 at 11:24AM CDT until April 24 at 7:00AM CDT by NWS Chicago IL
...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Putnam, Bureau and La Salle Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until Friday. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 20.9 feet. - Recent Activity...The river stage continues to gradually fall. - Forecast...The river is expected to fall below flood stage late this week. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood
Severe
Observed
Immediate
April 21st, 2026 11:24:00 am CDT
April 21st, 2026 11:24:00 am CDT
April 22nd, 2026 05:30:00 am CDT
Flood Warning
Stephenson, IL
Flood Warning issued April 21 at 11:21AM CDT until April 22 at 3:00PM CDT by NWS Quad Cities IA IL
...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Minor flooding is occurring and is forecast. * WHERE...Pecatonica River at Freeport. * WHEN...Until tomorrow afternoon. * IMPACTS...At 13.0 feet, Flood Stage. Water affects low lying sections of Freeport mainly east of the Pecatonica River. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 13.2 feet. - Recent Activity...The river is just coming off the crest. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue to fall slowly through the weekend. - Flood stage is 13.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:21:00 am CDT
April 21st, 2026 11:21:00 am CDT
April 22nd, 2026 11:30:00 am CDT
Flood Warning
Henry, IL; Rock Island, IL
Flood Warning issued April 21 at 11:21AM CDT by NWS Quad Cities IA IL
...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Major flooding is occurring and is forecast. * WHERE...Rock River at Moline. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, water affects South Shore Drive and North Shore Drive in Moline west of the 27th Street bridge. Water limits access to homes on South Shore Drive east of the I-74 bridge. Water also affects portions of 60th Street south of John Deere Road. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 14.0 feet. - Forecast...The river is beginning to crest and expected to slowly fall through the weekend. - Flood stage is 12.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:21:00 am CDT
April 21st, 2026 11:21:00 am CDT
April 22nd, 2026 11:30:00 am CDT
Flood Warning
Henry, IL; Rock Island, IL; Whiteside, IL
Flood Warning issued April 21 at 11:21AM CDT by NWS Quad Cities IA IL
...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Moderate flooding is occurring and is forecast to continue. * WHERE...Rock River near Joslin. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects much of Barstow Road between Barstow and Osborn. Water also affects homes in Osborn. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 16.0 feet. - Forecast...The river is beginning to crest and expected to slowly fall through the weekend. - Flood stage is 12.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:21:00 am CDT
April 21st, 2026 11:21:00 am CDT
April 22nd, 2026 11:30:00 am CDT
Flood Warning
Whiteside, IL
Flood Warning issued April 21 at 11:21AM CDT until April 22 at 9:00PM CDT by NWS Quad Cities IA IL
...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Minor flooding is occurring and is forecast. * WHERE...Rock River at Como. * WHEN...Until late tomorrow evening. * IMPACTS...At 12.8 feet, Water begins to encroach into properties on Regan Road northeast of Como. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM CDT Tuesday was 13.4 feet. - Forecast...The river has crested and will continue to slowly fall below flood stage tomorrow. - Flood stage is 12.5 feet.
Severe
Observed
Immediate
April 21st, 2026 11:21:00 am CDT
April 21st, 2026 11:21:00 am CDT
April 22nd, 2026 11:30:00 am CDT
Flood Warning
Cass, IL; Fulton, IL; Mason, IL
Flood Warning issued April 21 at 11:19AM CDT by NWS Lincoln IL
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Peoria, Woodford and Tazewell Counties. ...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Mason and Cass Counties. Illinois River at Beardstown affecting Brown, Morgan, Schuyler and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 16.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Tuesday was 16.4 feet. - Forecast...The river is expected to rise to a crest of 16.9 feet early Thursday afternoon. - Flood stage is 14.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:19:00 am CDT
April 21st, 2026 11:19:00 am CDT
April 22nd, 2026 03:30:00 am CDT
Flood Warning
Brown, IL; Cass, IL; Morgan, IL; Schuyler, IL
Flood Warning issued April 21 at 11:19AM CDT by NWS Lincoln IL
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Peoria, Woodford and Tazewell Counties. ...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Mason and Cass Counties. Illinois River at Beardstown affecting Brown, Morgan, Schuyler and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 16.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Tuesday was 16.5 feet. - Forecast...The river is expected to rise to a crest of 16.8 feet early tomorrow afternoon. - Flood stage is 14.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:19:00 am CDT
April 21st, 2026 11:19:00 am CDT
April 22nd, 2026 03:30:00 am CDT
Flood Warning
Peoria, IL; Tazewell, IL; Woodford, IL
Flood Warning issued April 21 at 11:19AM CDT until April 24 at 1:00AM CDT by NWS Lincoln IL
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Peoria, Woodford and Tazewell Counties. ...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Mason and Cass Counties. Illinois River at Beardstown affecting Brown, Morgan, Schuyler and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Peoria. * WHEN...From Wednesday morning to early Friday morning. * IMPACTS...At 18.0 feet, Some flooding begins to bottomland not protected by levees. * ADDITIONAL DETAILS... - At 10:45 AM CDT Tuesday the stage was 17.7 feet. - Forecast...The river is expected to rise to a crest of 18.0 feet tomorrow morning. It will then fall below flood stage Thursday evening. - Flood stage is 18.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:19:00 am CDT
April 21st, 2026 11:19:00 am CDT
April 22nd, 2026 03:30:00 am CDT
Flood Warning
Calhoun, IL; Greene, IL; Jersey, IL
Flood Warning issued April 21 at 11:18AM CDT by NWS St Louis MO
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 26.1 feet. - Forecast...The river is expected to rise to a crest of 26.5 feet Thursday morning. - Flood stage is 25.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:18:00 am CDT
April 21st, 2026 11:18:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Pike, IL; Marion, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...Until further notice. * IMPACTS...At 19.0 feet, The Corps of Engineers begins flood fight procedures. At this level, preparations are made to install two flood gates at Hill Street and Center Street if the forecast exceeds 20.5 feet. * ADDITIONAL DETAILS... - At 10:15 AM CDT Tuesday the stage was 19.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Tuesday was 19.6 feet. - Forecast...The river is expected to rise to a crest of 19.4 feet this afternoon. - Flood stage is 17.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Jackson, IL; Randolph, IL; Perry, MO; Ste. Genevieve, MO
Flood Warning issued April 21 at 11:16AM CDT until April 25 at 1:00AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...Until late Friday night. * IMPACTS...At 28.0 feet, Unleveed islands near Chester and the prison farm floods. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 27.7 feet. - Forecast...The river is expected to rise to a crest of 27.9 feet just after midnight tonight. It will then fall below flood stage Thursday evening. - Flood stage is 27.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Calhoun, IL; Lincoln, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Winfield. * WHEN...Until further notice. * IMPACTS...At 28.3 feet, Near this height, Lakeview Drive becomes impassable and Kampville Road begins flooding in northern St. Charles County. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 28.3 feet. - Forecast...The river is expected to rise to a crest of 28.3 feet this afternoon. - Flood stage is 26.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Calhoun, IL; Pike, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until further notice. * IMPACTS...At 29.0 feet, Water enters the parking lot entrance at the Clarksville Riverfront Park. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 28.4 feet. - Forecast...The river is expected to fall to 27.1 feet Tuesday, April 28. - Flood stage is 25.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Pike, IL; Ralls, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Saverton. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 6:00 AM CDT Tuesday the stage was 18.1 feet. - Forecast...The river is expected to fall to 16.7 feet Tuesday, April 28. - Flood stage is 16.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Pike, IL; Pike, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Louisiana. * WHEN...Until further notice. * IMPACTS...At 17.0 feet, The parking area at the boat house floods. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 18.2 feet. - Forecast...The river is expected to fall to 16.8 feet Tuesday, April 28. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Adams, IL; Lewis, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Canton. * WHEN...Until further notice. * IMPACTS...At 16.6 feet, Front Street leading to the campground and Corps park campgrounds flood at this height. * ADDITIONAL DETAILS... - At 6:00 AM CDT Tuesday the stage was 15.8 feet. - Forecast...The river is expected to fall to 15.0 feet Tuesday, April 28. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Jersey, IL; St. Charles, MO
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until further notice. * IMPACTS...At 21.0 feet, Water begins flooding the floor at the Palisades Marina in Portage Des Sioux. Access to homes along North Shore Drive in eastern St. Charles County becomes cut off near this height. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 20.7 feet. - Forecast...The river is expected to rise to a crest of 20.7 feet this afternoon. - Flood stage is 20.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:16:00 am CDT
April 21st, 2026 11:16:00 am CDT
April 22nd, 2026 11:30:00 pm CDT
Flood Warning
Louisa, IA; Muscatine, IA; Mercer, IL; Rock Island, IL
Flood Warning issued April 21 at 11:09AM CDT until April 28 at 9:00PM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Muscatine. * WHEN...Until early next week. * IMPACTS...At 18.0 feet, Water affects most of the Riverside Park parking lot. * ADDITIONAL DETAILS... - At 10:15 AM CDT Tuesday the stage was 16.8 feet. - Forecast...The river is expected to rise to a crest of 17.6 feet early Friday afternoon. It will then fall below flood on Tuesday. - Flood stage is 16.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Muscatine, IA; Rock Island, IL
Flood Warning issued April 21 at 11:09AM CDT until April 28 at 7:00AM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Ill. City LD16. * WHEN...Until early next week. * IMPACTS...At 16.0 feet, Water affects the park at Andalusia. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 15.2 feet. - Forecast...The river is expected to rise to a crest of 15.8 feet early Friday afternoon. It will then fall below flood stage on Monday. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Des Moines, IA; Lee, IA; Hancock, IL; Henderson, IL
Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Moderate flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Burlington. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, Water affects Riverview Drive in Riverview Park in Fort Madison. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 17.2 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet Thursday evening and slowly fall through early next week. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Louisa, IA; Mercer, IL
Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Moderate flooding is occurring and is forecast to continue. * WHERE...Mississippi River at New Boston LD17. * WHEN...Until further notice. * IMPACTS...At 18.1 feet, Lock and Dam 17 is closed. * ADDITIONAL DETAILS... - At 10:40 AM CDT Tuesday the stage was 16.7 feet. - Forecast...The river is expected to rise to a crest of 17.3 feet early Friday afternoon and slowly fall through early next week. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Hancock, IL; Clark, MO
Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 16.0 feet. - Recent Activity...The river is currently undergoing a broad crest. - Forecast...The river is expected to rise to a crest of 16.1 feet this afternoon and maintain this height through Sunday. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Des Moines, IA; Henderson, IL
Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Moderate flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Gladstone LD18. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 12.6 feet. - Forecast...The river is expected to rise to a crest of 12.9 feet tomorrow evening and slowly fall this weekend into early next week. - Flood stage is 10.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Des Moines, IA; Louisa, IA; Henderson, IL; Mercer, IL
Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Moderate flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Keithsburg. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water is over the campground and boat ramp in Keithsburg. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 15.8 feet. - Forecast...The river is expected to rise to a crest of 16.1 feet Thursday evening and fall slowly through early next week. - Flood stage is 14.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Flood Warning
Muscatine, IA; Scott, IA; Rock Island, IL
Flood Warning issued April 21 at 11:09AM CDT until April 27 at 10:00PM CDT by NWS Quad Cities IA IL
...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Mississippi River at Rock Island LD15. * WHEN...Until Monday. * IMPACTS...At 16.0 feet, Water affects sidewalks along the river at Le Claire Park. Water also affects Credit Island Lane and Moline's River Drive in the 4700 block. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 15.4 feet. - Forecast...The river is expected to rise to a crest of 16.0 feet Friday morning. It will then fall below flood stage on Monday. - Flood stage is 15.0 feet.
Severe
Observed
Immediate
April 21st, 2026 11:09:00 am CDT
April 21st, 2026 11:09:00 am CDT
April 22nd, 2026 11:15:00 am CDT
Special Weather Statement
Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid
Special Weather Statement issued April 21 at 2:24AM CDT by NWS Paducah KY
Elevated conditions for wildfires are expected this afternoon, mainly between 12 PM and 7 PM CDT. Relative humidity values will fall to 25 to 35% this afternoon, and winds will be breezy from the south, sustained at 15 to 20 mph with gusts to around 30 mph forecast. Vegetation is dry due to ongoing moderate to extreme drought conditions over much of the region. Outdoor burning and activities that involve open sparks or flames are discouraged. Please report all wildfires to local law enforcement as soon as possible.
Moderate
Observed
Expected
April 21st, 2026 02:24:00 am CDT
April 21st, 2026 02:24:00 am CDT
April 21st, 2026 07:00:00 pm CDT
Flood Warning
Lake, IL; McHenry, IL
Flood Warning issued April 20 at 4:39PM CDT until April 29 at 1:00PM CDT by NWS Chicago IL
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until further notice. * IMPACTS...Numerous roads, yards, structures, and park land are expected to flood along the Fox River Chain of Lakes. * ADDITIONAL DETAILS... - At 438 PM CDT, River gauges along the Fox River Chain of Lakes indicated water levels continuing to rise slowly. Water levels exceeded moderate flood stage earlier today. The latest forecast from the Illinois Department of Natural Resources indicates that water levels may near major flood stage by the middle of this week. - Water levels are expected to remain above flood stage at least through the middle of next week, assuming no additional rainfall occurs. Impacts from this flood may be similar to those experienced in May of 1973, October of 1986, or June of 2008. - Some locations that will experience flooding include areas along the Fox River Chain of Lakes, including Nippersink Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie, Channel Lake, and Lake Catherine. - http://www.weather.gov/safety/flood
Severe
Likely
Expected
April 20th, 2026 04:39:00 pm CDT
April 20th, 2026 04:39:00 pm CDT
April 29th, 2026 01:00:00 pm CDT
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