Illinois Severe Severe Thunderstorm Warning | Effective 06/21/2026 15:35

Headline: 
Severe Thunderstorm Warning issued June 21 at 5:35PM CDT until June 21 at 6:45PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 21, 2026 - 3:35pm
Expires: 
June 21, 2026 - 4:45pm
Description: 
SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... East Central Clinton County in south central Illinois... Southern Marion County in south central Illinois... * Until 645 PM CDT. * At 535 PM CDT, a severe thunderstorm was located near Shattuc, or near Centralia, moving east at 30 mph. 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. * Locations impacted include... Ferrin, Shattuc, Wamac, Central City, Centralia, Junction City, Sandoval, Odin, Walnut Hill, Selmaville, Tonti, Salem, Cartter, Kell, Iuka and Helm. This includes Interstate 57 in Illinois between exits 109 and 116.
Instruction: 
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 900 PM CDT Sunday for a portion of south central Illinois.
Area Description: 
Clinton, IL; Marion, IL
Forcast Office: 
NWS St Louis MO