Illinois, Missouri Flood Warning | Effective 04/19/2026 17:54

Headline: 
Flood Warning issued April 19 at 7:54PM CDT until April 25 at 9:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 19, 2026 - 5:54pm
Expires: 
April 21, 2026 - 6:00am
Description: 
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri...Illinois... Mississippi River at Chester. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...From Monday morning to Saturday morning. * IMPACTS...At 28.0 feet, Unleveed islands near Chester and the prison farm floods. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 25.8 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 29.2 feet early Wednesday morning. It will then fall below flood stage early Friday morning. - 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
Sender: 
w-nws.webmaster@noaa.gov