Severe Thunderstorm Warning until 08:45AM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Eastern Winnebago County in north central Illinois... McHenry County in northeastern Illinois... Boone County in north central Illinois...
* Until 845 AM CDT.
* At 803 AM CDT, severe thunderstorms were located along a line extending from Beloit to near Winnebago, moving east at 55 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
* Locations impacted include... Rockford, Crystal Lake, Beloit, Lake in the Hills, Belvidere, Woodstock, Huntley, Loves Park, Machesney Park, Roscoe, Harvard, South Beloit, Rockton, Marengo, Poplar Grove, Rockford Airport, Hampshire, Candlewick Lake, Wonder Lake and Lakewood. Including the following interstates... I-39 between mile markers 115 and 123. I-90 between mile markers 0 and 41. This includes... Boone County Fairgrounds, Mchenry 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