Severe Thunderstorm Warning Illinois, Missouri | Effective 03/15/2026 14:18

Headline: 
Severe Thunderstorm Warning issued March 15 at 4:18PM CDT until March 15 at 4:30PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
March 15, 2026 - 2:18pm
Expires: 
March 15, 2026 - 2:30pm
Description: 
At 418 PM CDT, a severe thunderstorm was located over St. Peters, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of Southeastern Calhoun and Central Saint Charles Counties. This includes the following State Parks... First Missouri State Capitol Historic Site. This includes Interstate 70 in Missouri between exits 216 and 229.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. A Tornado Watch remains in effect until 800 PM CDT for portions of southwest Illinois and east central Missouri.
Area Description: 
Calhoun, IL; St. Charles, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov