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Wheeling, 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 Wheeling.

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

NWS Active Alerts for IL - Map View

State: IL Total alerts: 5 Updated: May 11, 2026 12:55am CDT

Frost Advisory

Area
Buchanan; Delaware; Dubuque; Jo Daviess; Stephenson
Frost Advisory issued May 10 at 9:04PM CDT until May 11 at 8:00AM CDT by NWS Quad Cities IA IL

* WHAT...Temperatures in the mid to upper 30s may result in frost formation. * WHERE...In Illinois, Jo Daviess and Stephenson Counties. In Iowa, Buchanan, Delaware, and Dubuque Counties. * WHEN...From 2 AM to 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Flood Warning

Area
Clay, IL; Richland, IL
Flood Warning issued May 10 at 8:31PM CDT until May 12 at 1:00PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Little Wabash River below Clay City affecting Clay and Richland 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 early Tuesday afternoon. * IMPACTS...At 19.0 feet, 2600E Road begins to flood 1.5 miles south of Wynoose. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 19.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Sunday was 19.2 feet. - Forecast...The river is expected to fall below flood stage Tuesday morning and continue falling to 7.8 feet Friday evening. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

Flood Warning

Area
Clinton, IL
Flood Warning issued May 10 at 7:54PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois... Kaskaskia River at Carlyle. 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...Kaskaskia River at Carlyle. * WHEN...Until further notice. * IMPACTS...At 20.3 feet, Township roads downstream in Covington begin flooding near this height. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 20.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Sunday was 20.3 feet. - Forecast...The river is expected to remain steady above flood stage at 20.3 feet. - Flood stage is 16.5 feet.

Flood Warning

Area
Cass, IL; Fulton, IL; Mason, IL
Flood Warning issued May 10 at 7:53PM CDT until May 12 at 1:00PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Beardstown affecting Cass, Morgan, Brown and Schuyler 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 early Tuesday afternoon. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 14.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Sunday was 14.8 feet. - Forecast...The river is expected to fall below flood stage Tuesday morning and continue falling to 12.1 feet Sunday, May 17. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Flood Warning

Area
Brown, IL; Cass, IL; Morgan, IL; Schuyler, IL
Flood Warning issued May 10 at 7:53PM CDT until May 13 at 4:00AM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Beardstown affecting Cass, Morgan, Brown and Schuyler 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 early Wednesday morning. * IMPACTS...At 14.4 feet, Seepage problems begin in the Coal Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 6:45 PM CDT Sunday the stage was 15.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Sunday was 15.7 feet. - Forecast...The river is expected to fall below flood stage late Tuesday evening and continue falling to 11.9 feet Sunday, May 17. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

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