Illinois Flood Warning | Effective 05/17/2026 18:16

Headline: 
Flood Warning issued May 17 at 8:16PM CDT until May 19 at 8:30PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 6:16pm
Expires: 
May 19, 2026 - 6:30am
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 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kaskaskia River at Carlyle. * WHEN...Until Tuesday evening. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 18.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Sunday was 18.8 feet. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 12.8 feet Sunday, May 24. - 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