Illinois, Missouri Flood Warning | Effective 04/13/2026 09:39

Headline: 
Flood Warning issued April 13 at 11:39AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 13, 2026 - 9:39am
Expires: 
April 14, 2026 - 9:45pm
Description: 
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Louisiana. Mississippi River at Hannibal. Mississippi River at Clarksville. 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 Monday morning. * IMPACTS...At 27.2 feet, Silo Park just northwest of Clarksville off Highway 79 begins flooding. * ADDITIONAL DETAILS... - At 11:00 AM CDT Monday the stage was 25.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM CDT Monday was 25.7 feet. - Forecast...The river is expected to rise to a crest of 26.4 feet Wednesday morning. It will then fall below flood stage early Sunday 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