Illinois Severe Severe Thunderstorm Warning | Effective 06/24/2026 15:11

Headline: 
Severe Thunderstorm Warning issued June 24 at 5:11PM CDT until June 24 at 5:45PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 24, 2026 - 3:11pm
Expires: 
June 24, 2026 - 3:45pm
Description: 
At 511 PM CDT, severe thunderstorms were located along a line extending from 6 miles south of Clinton to near Belvidere to near Cherry Valley, moving east at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Belvidere, Poplar Grove, and Capron around 515 PM CDT. Sharon around 520 PM CDT. Harvard and Marengo around 525 PM CDT. Woodstock around 540 PM CDT. Other locations impacted by these severe thunderstorms include Chemung, Garden Prairie, Union, and Caledonia.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Boone, IL; McHenry, IL
Forcast Office: 
NWS Chicago IL