Tornado Warning until 07:00PM 
The National Weather Service in Chicago has issued a
* Tornado Warning for... Northeastern De Kalb County in north central Illinois... Northwestern Kane County in northeastern Illinois... South central McHenry County in northeastern Illinois...
* Until 700 PM CDT.
* At 612 PM CDT, a severe thunderstorm capable of producing a tornado was located near Marengo, moving northeast at 20 mph. HAZARD...Tornado and quarter size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely.
* This dangerous storm will be near... Huntley around 625 PM CDT. Woodstock and Lakewood around 650 PM CDT. Algonquin and Lake In The Hills around 655 PM CDT. Other locations impacted by this tornadic thunderstorm include Union and Crystal Lake. Including the following interstate... I-90 between mile markers 35 and 44.
* AFFECTED AREAS: DE KALB, IL ... KANE, IL ... MCHENRY, IL
Instructions:
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Address/Location
City of Crystal Lake
100 W Woodstock St
Crystal Lake, IL 60014
Contact
Emergency: 9-1-1
Non-emergencies: 815-356-3620