Illinois Severe Flood Warning | Effective 06/20/2026 08:35

Headline: 
Flood Warning issued June 20 at 10:35AM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 8:35am
Expires: 
June 21, 2026 - 12:45am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. Illinois River at Beardstown affecting Brown, Cass, Schuyler and Morgan Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * IMPACTS...At 19.5 feet, Access road to Anderson Lake north campground closed. * ADDITIONAL DETAILS... - At 9:45 AM CDT Saturday the stage was 18.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Saturday was 18.4 feet. - Forecast...The river is expected to rise to a crest of 18.6 feet Monday morning. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
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