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

Headline: 
Flood Warning issued April 13 at 9:43PM CDT until April 19 at 1:00AM 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 forecast. * WHERE...Mississippi River at Winfield. * WHEN...From late Tuesday night to late Saturday night. * IMPACTS...At 27.5 feet, At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution. * ADDITIONAL DETAILS... - At 9:30 PM CDT Monday the stage was 25.4 feet. - Forecast...The river is expected to rise above flood stage early Wednesday morning to a crest of 26.1 feet Wednesday morning. It will then fall below flood stage Friday evening. - Flood stage is 26.0 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; Lincoln, MO
Forcast Office: 
NWS St Louis MO