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Grundy County IL Emergency Management Agency
Thursday April 2nd, 2026 :: 10:53 p.m. CDT

Alert

Severe Thunderstorm Warning until 12:00AM Friday

SVRLOT The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for... Southern Will County in northeastern Illinois... East central Grundy County in northeastern Illinois... Northeastern Kankakee County in northeastern Illinois... Southeastern Cook County in northeastern Illinois...

* Until midnight CDT.

* At 1052 PM CDT, severe thunderstorms were located along a line extending from Mokena to near Manhattan to 6 miles southeast of Elwood to Gardner, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near... Tinley Park, Chicago Heights, Oak Forest, Harvey, Park Forest, Homewood, Matteson, Frankfort, Braidwood, and Wilmington around 1100 PM CDT. Peotone, South Holland, Glenwood, Posen, Dixmoor, Thornton, and Phoenix around 1105 PM CDT. Calumet City, Lansing, Dolton, Steger, Riverdale, Sauk Village, Lynwood, Crete, and Ford Heights around 1110 PM CDT. Manteno and Beecher around 1120 PM CDT.

* AFFECTED AREAS: COOK, IL ... GRUNDY, IL ... KANKAKEE, IL ... WILL, IL

Instructions:

For your protection move to an interior room on the lowest floor of a building.

Address/Location
Grundy County IL Emergency Management Agency
1320 Union St
Morris, IL 60450

Contact
Emergency: 9-1-1
Non-emergencies: 815-941-3212

Submit an anonymous web tip

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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