Illinois, Missouri Flood Warning | Effective 04/27/2026 11:35

Headline: 
Flood Warning issued April 27 at 1:35PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 11:35am
Expires: 
April 28, 2026 - 11:45pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Hannibal. 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 Louisiana. * WHEN...Until further notice. * IMPACTS...At 17.0 feet, The parking area at the boat house floods. * ADDITIONAL DETAILS... - At 1:00 PM CDT Monday the stage was 18.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Monday was 18.0 feet. - Forecast...The river is expected to rise to a crest of 18.4 feet early Wednesday morning. - Flood stage is 15.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Pike, IL; Pike, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov