Illinois Flood Warning | Effective 05/05/2026 18:17

Headline: 
Flood Warning issued May 5 at 8:17PM CDT until May 12 at 1:00AM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 5, 2026 - 6:17pm
Expires: 
May 6, 2026 - 10:30am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Mason and Cass Counties. Illinois River at Beardstown affecting Brown, Schuyler, Morgan and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until Tuesday, May 12. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 7:45 PM CDT Tuesday the stage was 16.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Tuesday was 16.2 feet. - Forecast...The river is expected to fall below flood stage Monday evening and continue falling to 13.4 feet Tuesday, May 12. - Flood stage is 14.0 feet.
Instruction: 
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.
Area Description: 
Cass, IL; Fulton, IL; Mason, IL
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov