Illinois, Missouri Severe Flood Warning | Effective 06/19/2026 08:47

Headline: 
Flood Warning issued June 19 at 10:47AM CDT until June 21 at 8:12AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 19, 2026 - 8:47am
Expires: 
June 20, 2026 - 9:00pm
Description: 
...The Flood Warning continues for the Mississippi River at the following location... Mississippi River at Chester. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...Until Sunday morning. * IMPACTS...At 28.0 feet, Unleveed islands near Chester and the prison farm floods. * ADDITIONAL DETAILS... - At 10:30 AM CDT Friday the stage was 28.3 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 19.9 feet Friday, June 26. - Flood stage is 27.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Jackson, IL; Randolph, IL; Perry, MO; Ste. Genevieve, MO
Forcast Office: 
NWS St Louis MO