Illinois, Missouri Severe Flood Warning | Effective 09/27/2026 11:24

Headline: 
Flood Warning issued September 27 at 1:24PM CDT until September 28 at 8:23PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 27, 2026 - 11:24am
Expires: 
September 28, 2026 - 6:30pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Clarksville. * WHEN...Until Monday evening. * ADDITIONAL DETAILS... - At 1:00 PM CDT Sunday the stage was 25.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Sunday was 25.5 feet. - Forecast...The river is expected to fall below flood stage this afternoon and continue falling to 18.5 feet Sunday, October 04. - Flood stage is 25.0 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: 
Calhoun, IL; Pike, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov