Illinois Tornado Warning - Extreme | Effective 06/11/2026 16:15

Headline: 
Tornado Warning issued June 11 at 6:15PM CDT until June 11 at 7:00PM CDT by NWS Chicago IL
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
June 11, 2026 - 4:15pm
Expires: 
June 11, 2026 - 5:00pm
Description: 
At 614 PM CDT, a severe thunderstorm capable of producing a tornado was located near Mazon, moving east at 30 mph. HAZARD...Tornado and ping pong ball size hail. 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... Coal City, Dwight, Diamond, Gardner, Mazon, Braceville, South Wilmington, Godley, Carbon Hill, Verona, East Brooklyn, and Kinsman.
Instruction: 
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid 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: 
Grundy, IL
Forcast Office: 
NWS Chicago IL