Illinois Flood Warning | Effective 05/16/2026 18:20

Headline: 
Flood Warning issued May 16 at 8:20PM CDT until May 19 at 8:30PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 16, 2026 - 6:20pm
Expires: 
May 18, 2026 - 6:30am
Description: 
...The Flood Warning is extended 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 Tuesday evening. * IMPACTS...At 18.5 feet, Near this level, the Corps will call partners to alert them to these elevated flows anticipated at or above 5000 cfs. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 19.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Saturday was 19.5 feet. - Forecast...The river is expected to fall below flood stage early Monday afternoon and continue falling to 11.6 feet Saturday, May 23. - 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