Illinois, Missouri Flood Warning | Effective 04/28/2026 09:56

Headline: 
Flood Warning issued April 28 at 11:56AM CDT until May 4 at 1:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 28, 2026 - 9:56am
Expires: 
April 29, 2026 - 10:00pm
Description: 
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Quincy. Mississippi River at Lock & Dam 21. Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Chester. 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 Hannibal. * WHEN...Until late Sunday night. * IMPACTS...At 20.2 feet, Nipper Park begins flooding on the Hannibal riverfront. * ADDITIONAL DETAILS... - At 11:15 AM CDT Tuesday the stage was 20.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:15 AM CDT Tuesday was 20.0 feet. - Forecast...The river is expected to rise to a crest of 20.2 feet this evening. It will then fall below flood stage Saturday evening. - Flood stage is 17.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. 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