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

Headline: 
Flood Warning issued September 21 at 12:23PM CDT until September 28 at 4:36PM 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 Winfield. * WHEN...From Thursday afternoon to Monday afternoon. * IMPACTS...At 23.0 feet, A few local islands begin to flood. 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 12:00 PM CDT Monday the stage was 19.0 feet. - Forecast...The river is expected to rise above flood stage Thursday afternoon to a crest of 27.4 feet early Saturday morning. It will then fall below flood stage late Sunday morning. - Flood stage is 26.0 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: 
Calhoun, IL; Lincoln, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov