Mchenry, IL Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth and road condition may be unsafe. Additional information is available at https://water.weather.gov/ahps2/ Stay tuned for further updates by listening to NOAA weather radio... or your local radio and TV stations.

Special Weather Statement issued May 2 at 9:41PM CDT by NWS Chicago IL

At 940 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Homer Glen to 6 miles south of Manhattan to near Limestone. Movement was northeast at 20 mph. HAZARD...Wind gusts up to 50 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Strong thunderstorms will be near... Joliet, Orland Park, Lockport, New Lenox, Homer Glen, Mokena, Frankfort, Manhattan, and Ingalls Park around 945 PM CDT. Other locations impacted by these storms include Symerton, Wilton Center, and Bonfield.

Flood Warning issued May 2 at 9:29PM CDT until May 3 at 3:24PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Little Wabash River below Clay City affecting Richland and Clay 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...Little Wabash River below Clay City. * WHEN...Until tomorrow afternoon. * IMPACTS...At 19.0 feet, 2600E Road begins to flood 1.5 miles south of Wynoose. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 18.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 19.2 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 8.5 feet Tuesday evening. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 9:18PM CDT until May 8 at 1:00AM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Woodford and Peoria Counties. Illinois River at Beardstown affecting Brown, Schuyler, Cass and Morgan Counties. Illinois River near Havana affecting Fulton, Cass and Mason 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 Peoria. * WHEN...Until early Wednesday morning. * IMPACTS...At 18.0 feet, Some flooding begins to bottomland not protected by levees. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 18.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 18.8 feet. - Forecast...The river is expected to rise to a crest of 19.1 feet Saturday morning. It will then fall below flood stage Tuesday evening. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 9:18PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Woodford and Peoria Counties. Illinois River at Beardstown affecting Brown, Schuyler, Cass and Morgan Counties. Illinois River near Havana affecting Fulton, Cass and Mason Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate 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. At 20.0 feet, Seepage problems begin in the South Beardstown Drainage and Levee District. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 18.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 18.3 feet. - Forecast...The river is expected to rise to a crest of 19.5 feet early Monday morning. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 9:18PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Woodford and Peoria Counties. Illinois River at Beardstown affecting Brown, Schuyler, Cass and Morgan Counties. Illinois River near Havana affecting Fulton, Cass and Mason Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * IMPACTS...At 19.5 feet, Access road to Anderson Lake north campground closed. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 17.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 17.8 feet. - Forecast...The river is expected to rise to a crest of 18.5 feet early Sunday morning. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 9:14PM CDT until May 4 at 3:40AM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Grafton. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Chester. Mississippi River near Herculaneum. Mississippi River at Mel Price LD. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Grafton. * WHEN...Until early Saturday morning. * 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 9:00 PM CDT Thursday the stage was 20.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 20.7 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 16.8 feet Wednesday evening. - Flood stage is 20.0 feet.

Flood Warning issued May 2 at 9:14PM CDT until May 4 at 8:00PM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Grafton. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Chester. Mississippi River near Herculaneum. Mississippi River at Mel Price LD. 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 near Herculaneum. * WHEN...Until Saturday evening. * IMPACTS...At 28.3 feet, Near this height, the walking trail (extension of Station Road) at Bates Memorial Park begins flooding. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 26.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Thursday was 27.1 feet. - Forecast...The river will rise to 27.0 feet just after midnight tonight. It will then fall below flood stage early tomorrow afternoon to 22.9 feet early Monday morning. It will rise to 23.0 feet Tuesday morning. It will then fall again and remain below flood stage. - Flood stage is 26.0 feet.

Flood Warning issued May 2 at 9:14PM CDT until May 5 at 2:42AM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Grafton. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Chester. Mississippi River near Herculaneum. Mississippi River at Mel Price LD. 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 Mel Price LD. * WHEN...Until early Sunday morning. * IMPACTS...At 23.0 feet, Dresser Island Drive floods within a foot of this level. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 23.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 23.6 feet. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 18.6 feet Wednesday evening. - Flood stage is 21.0 feet.

Flood Warning issued May 2 at 9:14PM CDT until May 7 at 3:00PM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Grafton. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Chester. Mississippi River near Herculaneum. Mississippi River at Mel Price LD. 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 Tuesday afternoon. * IMPACTS...At 31.5 feet, In Perry County, Highway E is closed between County Road 322 and Levee Road (County Road 354) at Bois Brule Creek. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 30.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 31.0 feet. - Forecast...The river is expected to rise to a crest of 31.6 feet early tomorrow afternoon. It will then fall below flood stage late Monday morning. - Flood stage is 27.0 feet.

Flood Warning issued May 2 at 9:08PM CDT until May 6 at 1:00AM CDT by NWS Chicago IL

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Putnam and Bureau Counties. For the Illinois River (Upper)...including Morris, Ottawa, 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 early Monday morning. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 21.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 22.3 feet. - Forecast...The river is expected to fall below flood stage Sunday evening. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 9:05PM CDT until May 5 at 7:40PM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Illinois... La Moine River at Ripley. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...La Moine River at Ripley. * WHEN...Until Sunday evening. * IMPACTS...At 24.5 feet, County Road 1600E (Levy Road) is closed just west of LaGrange Lock Road. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 24.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 24.2 feet. - Forecast...The river is expected to rise to a crest of 25.1 feet tomorrow morning. It will then fall below flood stage early Saturday afternoon. - Flood stage is 22.0 feet.

Flood Warning issued May 2 at 8:56PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Meredosia. Illinois River at Valley City. 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 8:30 PM CDT Thursday the stage was 26.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Thursday was 26.8 feet. - Forecast...The river is expected to fall to 25.3 feet Wednesday evening. - Flood stage is 25.0 feet.

Flood Warning issued May 2 at 8:56PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Meredosia. Illinois River at Valley City. 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 La Grange LD. * WHEN...Until further notice. * IMPACTS...At 24.0 feet, Extensive wetland acreage south of La Grange begins flooding. * ADDITIONAL DETAILS... - At 8:00 PM CDT Thursday the stage was 23.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Thursday was 23.3 feet. - Forecast...The river is expected to rise to a crest of 24.2 feet early Sunday afternoon. - Flood stage is 23.0 feet.

Flood Warning issued May 2 at 8:56PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Meredosia. Illinois River at Valley City. 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 Valley City. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Thursday was 15.1 feet. - Forecast...The river is expected to rise to a crest of 16.0 feet early Sunday afternoon. - Flood stage is 14.0 feet.

Flood Warning issued May 2 at 8:56PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Meredosia. Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Meredosia. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, City of Meredosia plugs storm sewer outlets. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 17.0 feet. - Forecast...The river is expected to rise to a crest of 18.0 feet early Sunday afternoon. - Flood stage is 17.0 feet.

Flood Advisory issued May 2 at 8:49PM CDT until May 2 at 11:45PM CDT by NWS St Louis MO

* WHAT...Urban area and small stream flooding caused by excessive rainfall is occurring. * WHERE...Portions of southwest Illinois, including the following counties, southwestern Madison, northwestern Monroe and northwestern Saint Clair and east central Missouri, including the following counties and independent city, northeastern Jefferson, central Saint Louis and central Saint Louis City. * WHEN...Until 1145 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 847 PM CDT, the public reported minor flooding to low lying urban areas in the advisory area. This is causing urban and small stream flooding. Overflowing poor drainage areas have already caused minor flooding in the advisory area. - Some locations that will experience flooding include... St. Louis, Belleville, University City, Granite City, Kirkwood, Maryland Heights, East St. Louis, Collinsville, Webster Groves, Arnold, Manchester, Creve Coeur, Fairview Heights, Overland, Clayton, Cahokia, Jennings, St. Ann, Crestwood and Town and Country.

Flood Warning issued May 2 at 9:32PM EDT until May 3 at 11:00PM EDT by NWS Indianapolis IN

...The Flood Warning continues for the following rivers in Indiana... Illinois... Wabash River at Riverton. Wabash River at Hutsonville Legacy Power Plant Site. .Minor river flooding continues but is expected to come to an end on the Wabash River by midday Friday. Additional rainfall from multiple systems over the next week could bring renewed minor river flooding to the Wabash. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wabash River at Riverton. * WHEN...Until late tomorrow evening. * IMPACTS...At 16.0 feet, Some agricultural lands underwater. A few rural roads in Crawford County, Illinois close as water backs up Minnow Slough. High water affects campground at Leaverton Park in Palestine. A few private roads near the Gill Township levee in Sullivan County may flood. Water level is at the top of most makeshift levees. * ADDITIONAL DETAILS... - At 9:00 PM EDT Thursday /8:00 PM CDT Thursday/ the stage was 15.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM EDT Thursday /8:00 PM CDT Thursday/ was 15.7 feet. - Forecast...The river is expected to rise to a crest of 15.6 feet just after midnight tonight. It will then fall below flood stage late tomorrow morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 9:32PM EDT until May 4 at 12:00AM EDT by NWS Indianapolis IN

...The Flood Warning continues for the following rivers in Indiana... Illinois... Wabash River at Riverton. Wabash River at Hutsonville Legacy Power Plant Site. .Minor river flooding continues but is expected to come to an end on the Wabash River by midday Friday. Additional rainfall from multiple systems over the next week could bring renewed minor river flooding to the Wabash. * WHAT...Minor flooding is forecast. * WHERE...Wabash River at Hutsonville Legacy Power Plant Site. * WHEN...Until early Saturday morning. * IMPACTS...At 16.0 feet, Old Darwin Road and a few low rural roads between York and Hutsonville, Illinois begin to flood. Agricultural flooding begins along portions of the river. * ADDITIONAL DETAILS... - There is no current observed data. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling and remain below flood stage. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood

Flash Flood Warning issued May 2 at 8:03PM CDT until May 3 at 12:30AM CDT by NWS Quad Cities IA IL

At 803 PM CDT, local law enforcement reported water on several rural county roads. Doppler radar indicated rain with occasional embedded thunderstorms continuing across the warned area. The rain should continue through the rest of this evening. Between 1.5 and 2.5 inches of rain have fallen in southern and eastern parts of the county. Additional rainfall amounts of 0.5 to 1 inch are probable in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Bushnell, Industry, Prairie City, Bardolph, Adair, New Philadelphia, Pennington Point, Doddsville and Prairie City Airport. This warning includes U.S. Highway 136. This includes the following streams and drainages... La Moine River, Grindstone Creek, and Camp Creek.

Flood Advisory issued May 2 at 6:45PM CDT until May 2 at 9:45PM CDT by NWS Lincoln IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of west central Illinois, including the following counties, Fulton and Schuyler. * WHEN...Until 945 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Dangerous flows over low-water crossings. Water over roadways. Overflowing poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 644 PM CDT, Emergency management reported heavy rain in the advisory area due to thunderstorms. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 1 and 1.5 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Cuba, Vermont, Ipava, Littleton, Table Grove, Bernadotte, Smithfield, Marietta, Ellisville, Camden and Fiatt. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 10:04AM CDT until May 6 at 6:00PM CDT by NWS Paducah KY

...The Flood Warning is extended for the following river in Missouri...Illinois... Mississippi River at Thebes. ...The Flood Warning continues for the following river in Missouri... Illinois... Mississippi River at Cape Girardeau. .Recent heavy rainfall will cause the Mississippi River upstream of the Ohio confluence to rise above flood stage this week and remain in flood until early next week. For the Mississippi River...including Cape Girardeau and Thebes... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Thebes. * WHEN...From late tonight to Monday evening. * IMPACTS...At 34.0 feet, The town of Thebes begins to flood. * ADDITIONAL DETAILS... - At 9:30 AM CDT Thursday the stage was 31.5 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 35.5 feet Saturday evening. It will then fall below flood stage early Monday afternoon. - Flood stage is 33.0 feet.

Flood Warning issued May 2 at 10:04AM CDT until May 7 at 5:00AM CDT by NWS Paducah KY

...The Flood Warning is extended for the following river in Missouri...Illinois... Mississippi River at Thebes. ...The Flood Warning continues for the following river in Missouri... Illinois... Mississippi River at Cape Girardeau. .Recent heavy rainfall will cause the Mississippi River upstream of the Ohio confluence to rise above flood stage this week and remain in flood until early next week. For the Mississippi River...including Cape Girardeau and Thebes... Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Cape Girardeau. * WHEN...Until early Tuesday morning. * IMPACTS...At 36.0 feet, The flood gate on Themis Street closes. * ADDITIONAL DETAILS... - At 9:30 AM CDT Thursday the stage was 32.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 AM CDT Thursday was 32.9 feet. - Forecast...The river is expected to rise to a crest of 36.5 feet Saturday evening. It will then fall below flood stage late Monday evening. - Flood stage is 32.0 feet.