Illinois, Missouri Flood Warning | Effective 04/19/2026 17:54

Headline: 
Flood Warning issued April 19 at 7:54PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 19, 2026 - 5:54pm
Expires: 
April 21, 2026 - 6:00am
Description: 
...The Flood Warning continues for the following rivers in Missouri...Illinois... 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. 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 further notice. * IMPACTS...At 20.2 feet, Nipper Park begins flooding on the Hannibal riverfront. * ADDITIONAL DETAILS... - At 7:15 PM CDT Sunday the stage was 19.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:15 PM CDT Sunday was 19.8 feet. - Forecast...The river is expected to fall to 18.1 feet Sunday, April 26. - Flood stage is 17.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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