Illinois, Missouri Severe Flood Warning | Effective 09/21/2026 10:23

Headline: 
Flood Warning issued September 21 at 12:23PM CDT until September 27 at 1:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 21, 2026 - 10:23am
Expires: 
September 22, 2026 - 10:30pm
Description: 
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Canton. Mississippi River at Clarksville. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From Thursday evening to Sunday afternoon. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 11:15 AM CDT Monday the stage was 13.4 feet. - Forecast...The river is expected to rise above flood stage late Thursday evening to a crest of 17.4 feet early Friday afternoon. It will then fall below flood stage Saturday morning. - Flood stage is 17.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Pike, IL; Marion, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov