Flood Warning Illinois | Effective 03/18/2026 17:50

Headline: 
Flood Warning issued March 18 at 7:50PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 18, 2026 - 5:50pm
Expires: 
March 20, 2026 - 6:00am
Description: 
...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 48 hours. * WHAT...Minor flooding is occurring and 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 Wednesday the stage was 20.4 feet. - Forecast...The river is expected to hold steady for the next few days before beginning a slow fall this weekend. - 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