Illinois, Missouri Severe Flood Warning | Effective 06/22/2026 09:45

Headline: 
Flood Warning issued June 22 at 11:45AM CDT until June 25 at 9:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 22, 2026 - 9:45am
Expires: 
June 23, 2026 - 9:45pm
Description: 
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until Thursday evening. * IMPACTS...At 25.5 feet, State Route P east of Elsberry begins flooding just east of the levee. * ADDITIONAL DETAILS... - At 11:30 AM CDT Monday the stage was 25.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:30 AM CDT Monday was 25.1 feet. - Forecast...The river is expected to rise to a crest of 25.8 feet tomorrow morning. It will then fall below flood stage Wednesday afternoon. - Flood stage is 25.0 feet.
Area Description: 
Calhoun, IL; Pike, MO
Forcast Office: 
NWS St Louis MO