Severe Thunderstorm Warning Illinois | Effective 03/15/2026 15:09

Headline: 
Severe Thunderstorm Warning issued March 15 at 5:09PM CDT until March 15 at 5:45PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
March 15, 2026 - 3:09pm
Expires: 
March 15, 2026 - 3:45pm
Description: 
SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Southern Macoupin County in southwestern Illinois... * Until 545 PM CDT. * At 509 PM CDT, a severe thunderstorm was located over Dorsey, or near Bethalto, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Brighton, Bunker Hill, Royal Lakes, Pruett, Dorchester, Wilsonville, Staunton, Sawyerville, Mount Clare, Benld, East Gillespie, White City, Gillespie, Eagarville, Mount Olive and Hornsby. This includes Interstate 55 in Illinois between exits 41 and 44.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. A Tornado Watch remains in effect until 800 PM CDT for a portion of southwest Illinois.
Area Description: 
Macoupin, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov