Illinois Severe Flood Warning | Effective 06/22/2026 18:36

Headline: 
Flood Warning issued June 22 at 8:36PM CDT until June 24 at 10:00AM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 22, 2026 - 6:36pm
Expires: 
June 23, 2026 - 11:00am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Sangamon River at Monticello affecting Piatt County. .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...Sangamon River at Monticello. * WHEN...Until late Wednesday morning. * IMPACTS...At 13.0 feet, Flooding of agricultural areas begins. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 14.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 14.7 feet. - Forecast...The river is expected to fall below flood stage early Wednesday morning and continue falling to 9.6 feet Monday, June 29. - Flood stage is 13.0 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: 
Piatt, IL
Forcast Office: 
NWS Lincoln IL