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Prairietown Warnings, Watches and Advisories

NWS Active Alerts for IL - Map View

State: IL Total alerts: 30 Updated: Sep 20, 2026 5:27am CDT

Flash Flood Warning

Area
Delaware, IA; Dubuque, IA; Jackson, IA; Jones, IA; Jo Daviess, IL
Flash Flood Warning issued September 20 at 5:12AM CDT until September 20 at 11:15AM CDT by NWS Quad Cities IA IL

FFWDVN The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Northwestern Jackson County in east central Iowa... Northern Jones County in east central Iowa... Eastern Delaware County in northeastern Iowa... Dubuque County in northeastern Iowa... Western Jo Daviess County in northwestern Illinois... * Until 1115 AM CDT Sunday. * At 512 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Dubuque, Asbury, Dyersville, Monticello, Bellevue, Cascade, Epworth, East Dubuque, Farley, Peosta, Earlville, Hopkinton, New Vienna, Colesburg, Worthington, Holy Cross, La Motte, Luxemburg and Rickardsville.

Flash Flood Warning

Area
De Kalb, IL; La Salle, IL; Lee, IL
Flash Flood Warning issued September 20 at 5:09AM CDT until September 20 at 8:00AM CDT by NWS Chicago IL

At 509 AM CDT, Doppler radar indicated thunderstorms produced heavy rain across the warned area. Between 3 and 6 inches of rain have fallen with the highest amounts across Lee County. While the heavy rain has ended, additional heavy rain is possible later this morning. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Sandwich, Mendota, Amboy, Sheridan, Shabbona, Lake Holiday, Hinckley, Somonauk, Earlville, Waterman, Serena, Leland, Paw Paw, Sublette, Woodhaven Lakes, Millington, Lee, Compton, Troy Grove, Nelson, West Brooklyn, Harmon, Triumph, Prairie Center and Lee Center.

Flash Flood Warning

Area
Clinton, IA; Muscatine, IA; Scott, IA; Bureau, IL; Henry, IL; Mercer, IL; Rock Island, IL; Whiteside, IL
Flash Flood Warning issued September 20 at 5:00AM CDT until September 20 at 7:30AM CDT by NWS Quad Cities IA IL

At 500 AM CDT, Doppler radar indicated a large area of light to moderate rain was occurring across the warned area. Heavy rain producing storms earlier brought rainfall of 1 to 3.5 inches across the warned area. Flash flooding is either ongoing or expected to begin shortly due to runoff from the earlier heavy rain combined with the steady rain falling. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Davenport, Moline, Rock Island, Bettendorf, Muscatine, East Moline, Kewanee, Aledo, Cambridge, Silvis, Geneseo, Eldridge, Colona, Milan, Le Claire, Coal Valley and Galva. This includes the following State Parks... Big Bend Fish and Wildlife Area, Johnson-Sauk Trail State Recreation Area and Prophetstown State Park. This includes the following highways... Interstate 74 in Iowa between mile markers 1 and 5. Interstate 280 between mile markers 1 and 18. Interstate 80 in Iowa between mile markers 279 and 306. Interstate 80 in Illinois between mile markers 1 and 43. Interstate 74 in Illinois between mile markers 1 and 33. Interstate 88 between mile markers 1 and 32...and between mile markers 36 and 43.

Flood Advisory

Area
Kankakee, IL; Will, IL; Jasper, IN; Lake, IN; Newton, IN; Porter, IN
Flood Advisory issued September 20 at 4:59AM CDT until September 20 at 8:00AM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Kankakee County in northeastern Illinois... Southeastern Will County in northeastern Illinois... Northern Jasper County in northwestern Indiana... Lake IN County in northwestern Indiana... Northern Newton County in northwestern Indiana... Porter County in northwestern Indiana... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 457 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Hammond, Gary, Portage, Merrillville, Valparaiso, East Chicago, Schererville, Hobart, Kankakee, Crown Point, Highland, Munster, Park Forest, Bourbonnais, Bradley, Chesterton, Cedar Lake, Steger, Lowell, Manteno, Peotone, DeMotte and Hebron. - http://www.weather.gov/safety/flood

Flood Advisory

Area
Boone, IL; McHenry, IL; Winnebago, IL
Flood Advisory issued September 20 at 4:30AM CDT until September 20 at 8:00AM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Boone County in north central Illinois... Winnebago County in north central Illinois... McHenry County in northeastern Illinois... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 428 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Rockford, Crystal Lake, Algonquin, Lake in the Hills, McHenry, Belvidere, Woodstock, Huntley, Loves Park, Machesney Park, Roscoe, Fox Lake, Harvard, Island Lake, South Beloit, Rockton, Marengo, Poplar Grove, Rockford Airport, Cary, Johnsburg, Lakemoor, Spring Grove and Candlewick Lake. - http://www.weather.gov/safety/flood

Heat Advisory

Area
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
Heat Advisory issued September 20 at 4:20AM CDT until September 20 at 7:00PM CDT by NWS Paducah KY

* WHAT...Heat index values up to 102 degrees are expected. * WHERE...all of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 7 PM CDT /8 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Flood Watch

Area
Lake; Kenosha
Flood Watch issued September 20 at 4:12AM CDT until September 24 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

...The Flood Watch continues for the following river in Illinois... Wisconsin... Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Flooding is possible. * WHERE...Fox River Lower near New Munster. * WHEN...From this afternoon to Thursday evening. * ADDITIONAL DETAILS... - At 3:00 AM CDT Sunday the stage was 9.0 feet. - Forecast...Flood stage may be reached late this afternoon. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Flood Advisory

Area
Cook, IL; DuPage, IL; Kane, IL; Kendall, IL; Will, IL
Flood Advisory issued September 20 at 3:48AM CDT until September 20 at 8:00AM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northern Will County in northeastern Illinois... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 347 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Cicero, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Bartlett, Ohare Airport, Carol Stream and Romeoville. - http://www.weather.gov/safety/flood

Beach Hazards Statement

Area
Lake; Northern Cook; Central Cook
Beach Hazards Statement issued September 20 at 3:17AM CDT until September 22 at 7:00PM CDT by NWS Chicago IL

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 7 to 10 feet expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From 7 AM CDT this morning through Tuesday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Flood Watch

Area
Buchanan; Delaware; Dubuque; Benton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Keokuk; Washington; Louisa; Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Henry; Bureau; Putnam; Mercer
Flood Watch issued September 20 at 1:44AM CDT until September 20 at 1:00PM CDT by NWS Quad Cities IA IL

* WHAT...Flooding and flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Carroll, Henry IL, Jo Daviess, Mercer, Putnam, Rock Island, Stephenson and Whiteside and Iowa, including the following areas, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Keokuk, Linn, Louisa, Muscatine, Scott and Washington. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Widespread showers and storms will continue to move across the watch area through at least late Sunday morning. These storms will be capable of rainfall rates between 1 to 2 inches per hour. Rainfall totals of 1 to 3 inches are likely in the hardest hit areas, with the potential for localized areas of 4 to 5 inches.

Flood Watch

Area
Winnebago; Boone; McHenry; Lake; Ogle; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Kankakee; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake; Porter
Flood Watch issued September 20 at 1:33AM CDT until September 20 at 1:00PM CDT by NWS Chicago IL

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, La Salle, Lake IL, Lee, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following areas, Lake IN and Porter. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. Basement flooding may occur. * ADDITIONAL DETAILS... - Periods of showers and thunderstorms are expected through midday. Swaths of torrential rain with 2 inch per hour rainfall rates, or higher are likely to occur within the watch area and may result in areas of flash flooding and cause rapid rises on area rivers, creeks, and streams. - http://www.weather.gov/safety/flood

Flood Watch

Area
Hancock; Clark
Flood Watch issued September 19 at 10:12PM CDT until September 26 at 2:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gregory Landing. * WHEN...From Tuesday afternoon to Saturday afternoon. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 7.6 feet. - Forecast...Flood stage may be reached Tuesday afternoon. - Flood stage is 15.0 feet.

Flood Watch

Area
Des Moines; Henderson
Flood Watch issued September 19 at 10:12PM CDT until September 26 at 11:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From Tuesday morning to Saturday morning. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 3.0 feet. - Forecast...Flood stage may be reached Tuesday morning. - Flood stage is 10.0 feet.

Flood Watch

Area
Des Moines; Lee; Henderson; Hancock
Flood Watch issued September 19 at 10:12PM CDT until September 26 at 5:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Burlington. * WHEN...From Tuesday afternoon to late Friday night. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 8.7 feet. - Forecast...Flood stage may be reached early Tuesday afternoon. - Flood stage is 15.0 feet.

Flood Watch

Area
Louisa; Des Moines; Mercer; Henderson
Flood Watch issued September 19 at 10:12PM CDT until September 26 at 3:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Keithsburg. * WHEN...From Tuesday morning to late Friday night. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 7.6 feet. - Forecast...Flood stage may be reached Tuesday morning. - Flood stage is 14.0 feet.

Flood Watch

Area
Louisa; Mercer
Flood Watch issued September 19 at 10:12PM CDT until September 25 at 1:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at New Boston LD17. * WHEN...From late Monday night to Friday afternoon. * ADDITIONAL DETAILS... - At 9:10 PM CDT Saturday the stage was 7.2 feet. - Forecast...Flood stage may be reached early Tuesday morning. - Flood stage is 15.0 feet.

Flood Watch

Area
Muscatine; Louisa; Rock Island; Mercer
Flood Watch issued September 19 at 10:12PM CDT until September 25 at 3:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Muscatine. * WHEN...From late Monday night to late Thursday night. * ADDITIONAL DETAILS... - At 8:15 PM CDT Saturday the stage was 7.6 feet. - Forecast...Flood stage may be reached early Tuesday morning. - Flood stage is 16.0 feet.

Flood Watch

Area
Muscatine; Scott; Rock Island
Flood Watch issued September 19 at 10:12PM CDT until September 24 at 9:00AM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Rock Island LD15. * WHEN...From Monday evening to Thursday morning. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 7.4 feet. - Forecast...Flood stage may be reached late Monday evening. - Flood stage is 15.0 feet.

Flood Watch

Area
Muscatine; Rock Island
Flood Watch issued September 19 at 10:12PM CDT until September 24 at 6:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Scott, Muscatine and Rock Island zones. Mississippi River at Muscatine affecting Mercer, Muscatine, Rock Island and Louisa Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island zones. Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Ill. City LD16. * WHEN...From Tuesday morning to Thursday evening. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 5.6 feet. - Forecast...Flood stage may be reached late Tuesday morning. - Flood stage is 15.0 feet.

Flood Warning

Area
La Salle, IL
Flood Warning issued September 19 at 10:10PM CDT until September 22 at 9:00PM CDT by NWS Chicago IL

...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois... Fox River at Dayton affecting La Salle County. * WHAT...Moderate flooding is forecast. * WHERE...Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge. * WHEN...From Sunday afternoon to Tuesday evening. * IMPACTS...At 14.5 feet, Low-lying agricultural land inundated near Norway. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 7.6 feet. - Forecast...The river is expected to rise above flood stage early Sunday afternoon to a crest of 14.9 feet Monday morning. It will then fall below flood stage Tuesday afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Northern Will; Southern Will
Flood Watch issued September 19 at 10:06PM CDT until September 21 at 1:00AM CDT by NWS Chicago IL

...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Du Page River at Shorewood affecting Southern Will and Northern Will zones. * WHAT...Flooding is possible. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...From Sunday afternoon to late Sunday night. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 12.6 feet. - Forecast...Flood stage may be reached tomorrow afternoon. - Flood stage is 15.5 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Central Cook
Flood Watch issued September 19 at 10:03PM CDT until September 22 at 7:00AM CDT by NWS Chicago IL

...The Flood Watch continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL zone. Des Plaines River near Des Plaines affecting Northern Cook and Central Cook zones. Des Plaines River near Gurnee affecting Lake IL zone. Des Plaines River at Riverside affecting Central Cook zone. Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Roosevelt Road in Forest Park downstream to Hodgkins, including the Riverside gauge. * WHEN...From Sunday morning to Tuesday morning. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 3.6 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 7.5 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Lake
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL

...The Flood Watch continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL zone. Des Plaines River near Des Plaines affecting Northern Cook and Central Cook zones. Des Plaines River near Gurnee affecting Lake IL zone. Des Plaines River at Riverside affecting Central Cook zone. Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From Sunday morning until further notice. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 4.6 feet. - Forecast...Flood stage may be reached Monday morning. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Lake
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL

...The Flood Watch continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL zone. Des Plaines River near Des Plaines affecting Northern Cook and Central Cook zones. Des Plaines River near Gurnee affecting Lake IL zone. Des Plaines River at Riverside affecting Central Cook zone. Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...From late tonight until further notice. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 5.7 feet. - Forecast...Flood stage may be reached Sunday evening. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Northern Cook; Central Cook
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL

...The Flood Watch continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL zone. Des Plaines River near Des Plaines affecting Northern Cook and Central Cook zones. Des Plaines River near Gurnee affecting Lake IL zone. Des Plaines River at Riverside affecting Central Cook zone. Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...From Sunday morning until further notice. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 10.5 feet. - Forecast...Flood stage may be reached late Sunday evening. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Lake; Northern Cook
Flood Watch issued September 19 at 10:03PM CDT by NWS Chicago IL

...The Flood Watch continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL zone. Des Plaines River near Des Plaines affecting Northern Cook and Central Cook zones. Des Plaines River near Gurnee affecting Lake IL zone. Des Plaines River at Riverside affecting Central Cook zone. Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From Sunday afternoon until further notice. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 8.3 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Whiteside; Rock Island; Henry
Flood Watch issued September 19 at 9:12PM CDT until September 25 at 9:00AM CDT by NWS Quad Cities IA IL

...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Whiteside and Henry IL zones. Rock River at Moline affecting Rock Island and Henry IL zones. * WHAT...Flooding is possible. * WHERE...Rock River near Joslin. * WHEN...From late Sunday night to Friday morning. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 5.9 feet. - Forecast...Flood stage may be reached early Monday morning. - Flood stage is 12.0 feet.

Flood Watch

Area
Rock Island; Henry
Flood Watch issued September 19 at 9:12PM CDT until September 25 at 3:00PM CDT by NWS Quad Cities IA IL

...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Whiteside and Henry IL zones. Rock River at Moline affecting Rock Island and Henry IL zones. * WHAT...Flooding is possible. * WHERE...Rock River at Moline. * WHEN...From Monday afternoon to Friday afternoon. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 8.9 feet. - Forecast...Flood stage may be reached Monday afternoon. - Flood stage is 12.0 feet.

Flood Warning

Area
Cook, IL; Lake, IN
Flood Warning issued September 19 at 9:05PM CDT until September 21 at 3:00AM CDT by NWS Chicago IL

...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. * WHAT...Minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...From early Sunday morning to late Sunday night. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 6.7 feet. - Forecast...The river is expected to rise above flood stage early Sunday morning to a crest of 13.8 feet early tomorrow afternoon. It will then fall below flood stage late tomorrow evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood

Flood Watch

Area
Winnebago; Green; Rock
Flood Watch issued September 19 at 12:27PM CDT until September 22 at 9:00PM CDT by NWS Milwaukee/Sullivan WI

...The National Weather Service in Milwaukee/Sullivan has issued a Flood Watch for the following rivers in Illinois...Wisconsin... Fox River Lower Near New Munster affecting Lake and Kenosha Counties. Pecatonica River At Martintown affecting Green County. Root River At Franklin affecting Milwaukee County. Root River Canal At Raymond affecting Racine County. Sugar River At Brodhead affecting Rock, Winnebago and Green Counties. Turtle Creek Near Clinton affecting Rock County. Additional information is available at www.weather.gov. The next statement will be issued this evening at 830 PM CDT. * WHAT...Flooding is possible. * WHERE...Sugar River at Brodhead. * WHEN...From late tonight to Tuesday evening. * ADDITIONAL DETAILS... - At 12:00 PM CDT Saturday the stage was 1.7 feet. - Forecast...Flood stage may be reached late tonight. - Flood stage is 5.0 feet. - http://www.weather.gov/safety/flood

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. 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 Prairietown.

Use the Radar Maps link provided to understand the trajectory of a storm.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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