Illinois Flood Warning | Effective 04/17/2026 19:56

Headline: 
Flood Warning issued April 17 at 9:56PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 7:56pm
Expires: 
April 19, 2026 - 8:00am
Description: 
...The Flood Warning continues for the following river in Illinois... Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...From Sunday afternoon until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 9:30 PM CDT Friday the stage was 24.6 feet. - Forecast...The river is expected to rise above flood stage early Sunday afternoon and continue rising to a crest of 26.5 feet Wednesday evening. - Flood stage is 25.0 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: 
Calhoun, IL; Greene, IL; Jersey, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov