Severe Thunderstorm Warning until 03:45AM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Eastern Winnebago County in north central Illinois... Western McHenry County in northeastern Illinois... Boone County in north central Illinois...
* Until 345 AM CDT.
* At 244 AM CDT, severe thunderstorms were located along a line extending from near Clinton to near Capron to near Cherry Valley, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Rockford, Beloit, Belvidere, Woodstock, Loves Park, Machesney Park, Roscoe, Harvard, South Beloit, Rockton, Marengo, Poplar Grove, Candlewick Lake, Wonder Lake, Cherry Valley, Richmond, Sharon, Capron, Hebron and Timberlane. Including the following interstates... I-39 between mile markers 121 and 123. I-90 between mile markers 0 and 39. This includes... Boone County Fairgrounds, Rock Cut State Park, Rock Valley College, Rockford Rivets Baseball, and Rockford Speedway.
* AFFECTED AREAS: BOONE, IL ... MCHENRY, IL ... WINNEBAGO, 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