Illinois, Missouri Flood Warning | Effective 04/18/2026 10:05

Headline: 
Flood Warning issued April 18 at 12:05PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 18, 2026 - 10:05am
Expires: 
April 19, 2026 - 10:15pm
Description: 
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri...Illinois... Mississippi River at Lock & Dam 21. Mississippi River at Quincy. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Lock & Dam 21. * WHEN...From this afternoon until further notice. * IMPACTS...At 14.0 feet, Unprotected bottomlands flood. * ADDITIONAL DETAILS... - At 10:00 AM CDT Saturday the stage was 17.2 feet. - Forecast...The river is expected to rise above flood stage late this afternoon and continue rising to a crest of 18.6 feet tomorrow morning. - Flood stage is 18.0 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: 
Adams, IL; Marion, MO
Forcast Office: 
NWS St Louis MO