Illinois Severe Flood Warning | Effective 06/28/2026 18:36

Headline: 
Flood Warning issued June 28 at 8:36PM CDT until July 6 at 7:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 28, 2026 - 6:36pm
Expires: 
June 30, 2026 - 6:45am
Description: 
...The Flood Warning continues for the Illinois river at the following locations... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Hardin. Illinois River at Valley City. 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 Monday, July 06. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 26.5 feet. - Forecast...The river is expected to fall below flood stage Sunday, July 05 and continue falling to 24.8 feet Sunday, July 05. - 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