Missouri Severe Severe Thunderstorm Warning | Effective 09/17/2026 13:38

Headline: 
Severe Thunderstorm Warning issued September 17 at 3:38PM CDT until September 17 at 4:30PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 17, 2026 - 1:38pm
Expires: 
September 17, 2026 - 2:30pm
Description: 
SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Northwestern Saint Charles County in east central Missouri... * Until 430 PM CDT. * At 338 PM CDT, a severe thunderstorm was located over St. Paul. This storm was stationary. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... St. Paul, O'Fallon, St. Peters, Josephville, Lake St. Louis, Wentzville, Dardenne Prairie, Cottleville and St. Charles around 340 PM CDT. This includes Interstate 70 in Missouri between exits 210 and 227.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
Area Description: 
St. Charles, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov