Illinois Flood Warning | Effective 04/11/2026 19:17

Headline: 
Flood Warning issued April 11 at 9:17PM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 11, 2026 - 7:17pm
Expires: 
April 12, 2026 - 11:30am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Beardstown affecting Schuyler, Cass, Morgan and Brown 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 further notice. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 15.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Saturday was 15.9 feet. - Forecast...The river is expected to fall to 14.2 feet Saturday, April 18. - Flood stage is 14.0 feet.
Instruction: 
Caution is urged when walking near riverbanks. 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