Illinois Flood Warning | Effective 05/01/2026 10:46

Headline: 
Flood Warning issued May 1 at 12:46PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 1, 2026 - 10:46am
Expires: 
May 2, 2026 - 11:00pm
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. 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 12:30 PM CDT Friday the stage was 28.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Friday was 28.8 feet. - Forecast...The river is expected to fall to 25.8 feet Friday, May 08. - 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