Severe Thunderstorm Warning Illinois | Effective 03/11/2026 03:58

Headline: 
Severe Thunderstorm Warning issued March 11 at 5:58AM CDT until March 11 at 6:15AM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
March 11, 2026 - 3:58am
Expires: 
March 11, 2026 - 4:15am
Description: 
At 558 AM CDT, severe thunderstorms were located along a line from over Wrights Corner to 7 miles south of Omega, or along a line from 15 miles northeast of Vandalia to 9 miles east of Salem, moving northeast at 60 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...At 545 AM, emergency management reported a tree down in Salem, IL. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Sandoval, Fairman, Wamac, Central City, Centralia, Patoka, Odin, Shobonier, Salem, Vandalia, Tonti, Kinmundy, Brownstown, Farina, Avena, St. Elmo, Omega, Stephen Forbes Station, Helm and Wrights Corner. This includes the following highways... Interstate 70 in Illinois between exits 63 and 76. Interstate 57 in Illinois between exits 109 and 135.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. These storms have produced 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. Report severe weather to your nearest law enforcement agency or the National Weather Service office in St Louis MO.
Area Description: 
Fayette, IL; Marion, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov