Illinois, Missouri Flood Warning | Effective 04/19/2026 09:38

Headline: 
Flood Warning issued April 19 at 11:38AM CDT until April 22 at 7:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 19, 2026 - 9:38am
Expires: 
April 20, 2026 - 9:45pm
Description: 
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Lock & Dam 21. 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 Lock & Dam 21. * WHEN...Until Wednesday evening. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 18.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 18.3 feet. - Forecast...The river is expected to fall below flood stage early Tuesday afternoon and continue falling to 17.3 feet Sunday, April 26. - Flood stage is 18.0 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: 
Adams, IL; Marion, MO
Forcast Office: 
NWS St Louis MO