Illinois Flood Warning | Effective 05/01/2026 19:18

Headline: 
Flood Warning issued May 1 at 9:18PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 1, 2026 - 7:18pm
Expires: 
May 3, 2026 - 7:30am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Meredosia. ...The Flood Warning continues for the following rivers in Illinois... Illinois River at Valley City. Illinois River at Hardin. 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...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 28.7 feet and falling. - Recent Activity...The river first rose above flood stage on April 18. It crested near 28.8 feet on May 1. - Forecast...The river is expected to rise to a continue a slow fall over the coming days, but remain above flood stage. - 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