Flood Warning Missouri | Effective 03/07/2026 17:30

Headline: 
Flood Warning issued March 7 at 7:30PM CST until March 10 at 6:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
March 7, 2026 - 5:30pm
Expires: 
March 9, 2026 - 6:30am
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 48 hours. * WHAT...Minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...From Sunday afternoon to Tuesday evening. * IMPACTS...At 24.7 feet, Hawkins Road south of Meramec Bottom Road begins flooding. * ADDITIONAL DETAILS... - At 7:00 PM CST Saturday the stage was 19.7 feet. - Forecast...The river will rise above flood stage tomorrow afternoon to 24.5 feet early Monday morning. It will then fall below flood stage late Monday morning to 22.6 feet early Tuesday afternoon. It will rise to 22.7 feet Tuesday evening. It will then fall again and remain below flood stage. - Flood stage is 24.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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