Illinois Severe Severe Thunderstorm Warning | Effective 07/27/2026 13:48

Headline: 
Severe Thunderstorm Warning issued July 27 at 3:48PM CDT until July 27 at 4:45PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 27, 2026 - 1:48pm
Expires: 
July 27, 2026 - 2:45pm
Description: 
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northeastern Livingston County in central Illinois... Southwestern Will County in northeastern Illinois... Southeastern Grundy County in northeastern Illinois... Kankakee County in northeastern Illinois... * Until 445 PM CDT. * At 348 PM CDT, a large severe thunderstorm was located over Elwood, or near Wilmington, moving southeast at 30 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Joliet, Kankakee, Lockport, New Lenox, Bourbonnais, Frankfort, Bradley, Manteno, Braidwood, Wilmington, Coal City, Dwight, Peotone, Herscher, Crest Hill, Manhattan, Ingalls Park, Diamond, Limestone, Gardner, Lakewood Shores, St. Anne, Chebanse, Mazon, and Braceville.
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: 
Grundy, IL; Kankakee, IL; Livingston, IL; Will, IL
Forcast Office: 
NWS Chicago IL