Severe Thunderstorm Warning until 07:00PM Tuesday 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Northern McHenry County in northeastern Illinois...
* Until 700 PM CDT.
* At 553 PM CDT, severe thunderstorms were located along a line extending from Sharon to near Harvard, moving east at 5 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... McHenry, Woodstock, Harvard, Wonder Lake, Hebron, Bull Valley, Chemung and Greenwood. This includes...Mchenry County Fairgrounds.
* AFFECTED AREAS: 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