Illinois Severe Severe Thunderstorm Warning | Effective 06/17/2026 19:08

Headline: 
Severe Thunderstorm Warning issued June 17 at 9:08PM CDT until June 17 at 9:30PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 7:08pm
Expires: 
June 17, 2026 - 7:30pm
Description: 
At 907 PM CDT, severe thunderstorms were located along a line extending from Camp Lake to near Wonder Lake to near Harvard, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... McHenry, Woodstock, Fox Lake, Harvard, Johnsburg, Lakemoor, Spring Grove, Wonder Lake, Pistakee Highlands, Genoa City, Richmond, Hebron, Bull Valley, McCullom Lake, Ringwood, and Greenwood.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
McHenry, IL
Forcast Office: 
NWS Chicago IL