Severe Thunderstorm Warning until 01:30PM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Northern De Kalb County in north central Illinois... Southeastern Winnebago County in north central Illinois... Northwestern Kane County in northeastern Illinois... Southwestern McHenry County in northeastern Illinois... Southern Boone County in north central Illinois...
* Until 130 PM CDT.
* At 1237 PM CDT, severe thunderstorms were located along a line extending from near Davis Junction to 7 miles northeast of Hillcrest to near Rochelle, moving east at 50 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.
* Locations impacted include... DeKalb, Lake in the Hills, Belvidere, Woodstock, Huntley, Sycamore, Marengo, Genoa, Pingree Grove, Hampshire, Cortland, Davis Junction, Kirkland, Kingston, Malta, Lily Lake, New Milford, Burlington, Union and Garden Prairie. Including the following interstates... I-39 between mile markers 115 and 117. I-90 between mile markers 21 and 47. This includes... Northern Illinois University.
* AFFECTED AREAS: BOONE, IL ... DE KALB, IL ... KANE, 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