Flood Warning Missouri | Effective 03/07/2026 08:42

Headline: 
Flood Warning issued March 7 at 10:42AM CST until March 12 at 1:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
March 7, 2026 - 8:42am
Expires: 
March 8, 2026 - 9:45pm
Description: 
...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Missouri... Meramec River at Valley Park. River forecasts are based on observed precipitation and forecast precipitation for the next 48 hours. * WHAT...Moderate flooding is forecast. * WHERE...Meramec River at Valley Park. * WHEN...Until late Wednesday night. * IMPACTS...At 21.9 feet, Yarnell Road is closed at Riverside Drive. Larkin Williams is closed at Riverside Golf Club entrance. In Valley Park...Tree Court Industrial Road begins flooding between Marshall Road and Scarlet Oak Boulevard. Also...the golf course at Family Golf and Learning Center and the Kirkwood Athletic Association ball fields begin flooding near this height. * ADDITIONAL DETAILS... - At 10:00 AM CST Saturday the stage was 16.6 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 21.5 feet early tomorrow afternoon. It will then fall below flood stage Tuesday evening. - Flood stage is 18.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. 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
Sender: 
w-nws.webmaster@noaa.gov