Illinois Flood Warning | Effective 04/21/2026 18:56

Headline: 
Flood Warning issued April 21 at 8:56PM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 21, 2026 - 6:56pm
Expires: 
April 22, 2026 - 11:00am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Cass and Mason Counties. Illinois River at Beardstown affecting Brown, Morgan, Schuyler and Cass Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... Illinois River at Peoria affecting Peoria, Tazewell and Woodford 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. * ADDITIONAL DETAILS... - At 8:45 PM CDT Tuesday the stage was 16.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Tuesday was 16.5 feet. - Forecast...The river is expected to rise to a crest of 16.7 feet early Thursday afternoon. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
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