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City of Crystal Lake
Monday July 27th, 2026 :: 10:57 a.m. CDT

Alert

Severe Thunderstorm Warning until 12:15PM

SVRLOT The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for... Lake County in northeastern Illinois... Northeastern Kane County in northeastern Illinois... Southeastern McHenry County in northeastern Illinois... Northern Cook County in northeastern Illinois...

* Until 1215 PM CDT.

* At 1057 AM CDT, a severe thunderstorm was located over Cary, or near Algonquin, moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

* Locations impacted include... Chicago, Elgin, Waukegan, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove, Bartlett, Crystal Lake, Streamwood, Hanover Park, Carpentersville, Wheeling, Park Ridge, Northbrook, Elk Grove Village, North Chicago, Gurnee, and Mundelein.

* AFFECTED AREAS: COOK, IL ... KANE, IL ... LAKE, IL ... MCHENRY, IL

Instructions:

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

Address/Location
City of Crystal Lake
100 W Woodstock St
Crystal Lake, IL 60014

Contact
Emergency: 9-1-1
Non-emergencies: 815-356-3620

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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