Severe Thunderstorm Warning until 07:00AM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... East central Ogle County in north central Illinois... Northern De Kalb County in north central Illinois... McHenry County in northeastern Illinois... Boone County in north central Illinois...
* Until 700 AM CDT.
* At 603 AM CDT, severe thunderstorms were located along a line extending from Beloit to near Rockford Airport to near Rochelle, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Crystal Lake, Algonquin, Lake in the Hills, McHenry, Belvidere, Woodstock, Huntley, Loves Park, Fox Lake, Harvard, Island Lake, Marengo, Poplar Grove, Genoa, Cary, Johnsburg, Lakemoor, Spring Grove, Candlewick Lake and Fox River Grove. Including the following interstates... I-39 between mile markers 102 and 113. I-90 between mile markers 19 and 40. This includes... Boone County Fairgrounds, Mchenry County College, Mchenry County Fairgrounds, and Moraine Hills State Park.
* AFFECTED AREAS: BOONE, IL ... DE KALB, IL ... MCHENRY, IL ... OGLE, 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