Severe Thunderstorm Warning until 06:45PM 
SVRLOT The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Southwestern McHenry County in northeastern Illinois...
* Until 645 PM CDT.
* At 541 PM CDT, severe thunderstorms were located along a line extending from near Harvard to near Marengo to near Kingston, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Huntley, Marengo, Ridgefield, Bull Valley, Union, Woodstock, Lakewood, McHenry, Crystal Lake, Lake in the Hills, and Hampshire.
* AFFECTED AREAS: MCHENRY, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Address/Location
City of Crystal Lake
100 W Woodstock St
Crystal Lake, IL 60014
Contact
Emergency: 9-1-1
Non-emergencies: 815-356-3620