Illinois Severe Flood Warning | Effective 07/16/2026 18:29

Headline: 
Flood Warning issued July 16 at 8:29PM CDT until July 18 at 7:00PM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
July 16, 2026 - 6:29pm
Expires: 
July 17, 2026 - 10:30am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Brown, Morgan, Schuyler and Cass Counties. Illinois River at Havana affecting Cass, Fulton and Mason Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. River levels will continue to slowly fall. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Havana. * WHEN...Until Saturday evening. * ADDITIONAL DETAILS... - At 7:45 PM CDT Thursday the stage was 14.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Thursday was 15.1 feet. - Forecast...The river is expected to fall below flood stage early Saturday afternoon and continue falling to 11.4 feet Thursday, July 23. - 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