Illinois, Missouri Flood Warning | Effective 04/25/2026 19:06

Headline: 
Flood Warning issued April 25 at 9:06PM CDT until May 1 at 7:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 25, 2026 - 7:06pm
Expires: 
April 27, 2026 - 7:15am
Description: 
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Grafton. Illinois River at Hardin. Mississippi River at Hannibal. 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 Grafton. * WHEN...Until Friday morning. * IMPACTS...At 21.0 feet, Water begins flooding the floor at the Palisades Marina in Portage Des Sioux. Access to homes along North Shore Drive in eastern St. Charles County becomes cut off near this height. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 20.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Saturday was 20.6 feet. - Forecast...The river is expected to rise to a crest of 20.5 feet just after midnight tonight. It will then fall below flood stage early Thursday morning. - Flood stage is 20.0 feet.
Instruction: 
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: 
Jersey, IL; St. Charles, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov