Severe Thunderstorm Warning until 04:45AM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Lake County in northeastern Illinois... Eastern McHenry County in northeastern Illinois...
* Until 445 AM CDT.
* At 309 AM CDT, severe thunderstorms were located along a line extending from Hebron to near Genoa, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Waukegan, Arlington Heights, Palatine, Buffalo Grove, Crystal Lake, Wheeling, Northbrook, North Chicago, Gurnee, Mundelein, Algonquin, Highland Park, Lake in the Hills, Round Lake Beach, McHenry, Vernon Hills, Woodstock, Zion, Huntley and Grayslake. This includes... Chain O Lakes State Park, College of Lake County, Great Lakes Naval Training Center, IL Beach State Park, Lake County IL Fairgrounds, Lake Forest College, Mchenry County College, Mchenry County Fairgrounds, Moraine Hills State Park, Ravinia Music Festival, and Six Flags Great America.
* AFFECTED AREAS: 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