Illinois Severe Flood Warning | Effective 06/27/2026 19:14

Headline: 
Flood Warning issued June 27 at 9:14PM CDT until July 5 at 7:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 7:14pm
Expires: 
June 29, 2026 - 7:15am
Description: 
...The Flood Warning continues for the Illinois river at the following locations... Illinois River at Hardin. Illinois River at Meredosia. Illinois River at La Grange LD. 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 Sunday, July 05. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 26.6 feet. - Forecast...The river is expected to rise to a crest of 26.7 feet just after midnight tonight. It will then fall below flood stage Saturday, July 04. - 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