Illinois Severe Flood Warning | Effective 06/17/2026 10:52

Headline: 
Flood Warning issued June 17 at 12:52PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 10:52am
Expires: 
June 18, 2026 - 11:00pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Valley City. ...The Flood Warning continues for the following rivers 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 occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 12:30 PM CDT Wednesday the stage was 25.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Wednesday was 25.4 feet. - Forecast...The river will fall to 25.3 feet this afternoon. It will then rise to 25.4 feet tomorrow morning. It will fall to 25.1 feet Saturday morning then rise again. - 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