Illinois Flood Warning | Effective 05/11/2026 06:22

Headline: 
Flood Warning issued May 11 at 8:22AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 11, 2026 - 6:22am
Expires: 
May 12, 2026 - 6:30pm
Description: 
...The Flood Warning continues for the following river 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 8:00 AM CDT Monday the stage was 20.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Monday was 20.4 feet. - Forecast...The river is expected to rise to a crest of 20.4 feet this afternoon. - Flood stage is 16.5 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Clinton, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov