Illinois, Missouri Flood Warning | Effective 04/11/2026 09:35

Headline: 
Flood Warning issued April 11 at 11:35AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 11, 2026 - 9:35am
Expires: 
April 12, 2026 - 9:45pm
Description: 
...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. 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 Clarksville. * WHEN...Until further notice. * IMPACTS...At 25.5 feet, State Route P east of Elsberry begins flooding just east of the levee. * ADDITIONAL DETAILS... - At 11:00 AM CDT Saturday the stage was 25.4 feet. - Forecast...The river is expected to crest near 26.2 feet Wednesday morning. - Flood stage is 25.0 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: 
Calhoun, IL; Pike, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov