Illinois, Missouri Flood Warning | Effective 04/13/2026 19:43

Headline: 
Flood Warning issued April 13 at 9:43PM CDT until April 20 at 1:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 13, 2026 - 7:43pm
Expires: 
April 15, 2026 - 7:45am
Description: 
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Winfield. 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 afternoon. * IMPACTS...At 25.5 feet, State Route P east of Elsberry begins flooding just east of the levee. * ADDITIONAL DETAILS... - At 9:30 PM CDT Monday the stage was 25.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Monday was 25.8 feet. - Forecast...The river is expected to rise to a crest of 26.3 feet Wednesday evening. It will then fall below flood stage Sunday morning. - Flood stage is 25.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. 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