Illinois Extreme Tornado Warning | Effective 06/21/2026 15:02

Headline: 
Tornado Warning issued June 21 at 5:02PM CDT until June 21 at 5:45PM CDT by NWS St Louis MO
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
June 21, 2026 - 3:02pm
Expires: 
June 21, 2026 - 3:45pm
Description: 
TORLSX The National Weather Service in St Louis has issued a * Tornado Warning for... Northwestern Clinton County in south central Illinois... Southeastern Madison County in southwestern Illinois... Northeastern Saint Clair County in southwestern Illinois... * Until 545 PM CDT. * At 502 PM CDT, a severe thunderstorm capable of producing a tornado was located over Collinsville, moving east at 35 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows and vehicles will occur. Tree damage is likely. * Locations impacted include... Collinsville, Pontoon Beach, Caseyville, Fairview Heights, Maryville, O'Fallon, Troy, Lebanon, St. Jacob, Summerfield, Trenton, Highland, Aviston, Albers, St. Rose, Breese and Germantown. This includes Interstate 64 in Illinois between exits 12 and 14.
Instruction: 
Move to an interior room on the lowest floor of a well-built building away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Area Description: 
Clinton, IL; Madison, IL; St. Clair, IL
Forcast Office: 
NWS St Louis MO