Missouri Flood Warning | Effective 04/19/2026 17:52

Headline: 
Flood Warning issued April 19 at 7:52PM CDT until April 24 at 1:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 19, 2026 - 5:52pm
Expires: 
April 21, 2026 - 6:00am
Description: 
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri... Meramec River near Arnold. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...From Monday afternoon to Friday afternoon. * IMPACTS...At 26.0 feet, Athletic fields east of I-55 begin flooding near this height. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 22.3 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 25.7 feet early Wednesday morning. It will then fall below flood stage Thursday morning. - Flood stage is 24.0 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: 
Jefferson, MO; St. Louis, MO
Forcast Office: 
NWS St Louis MO