Illinois Flood Warning | Effective 05/06/2026 20:00

Headline: 
Flood Warning issued May 6 at 10:00PM CDT until May 8 at 7:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 6, 2026 - 8:00pm
Expires: 
May 8, 2026 - 8:00am
Description: 
...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 Friday evening. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land occurs. * ADDITIONAL DETAILS... - At 9:30 PM CDT Wednesday the stage was 25.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Wednesday was 25.3 feet. - Forecast...The river is expected to continue slowly falling tonight. It will then fall below flood stage early tomorrow afternoon. - 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