Severe Thunderstorm Warning until 08:15PM Tuesday 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Lake County in northeastern Illinois... Eastern Kane County in northeastern Illinois... Eastern McHenry County in northeastern Illinois... DuPage County in northeastern Illinois... Cook County in northeastern Illinois...
* Until 815 PM CDT.
* At 707 PM CDT, severe thunderstorms were located along a line extending from near Powers Lake to Crystal Lake to near South Elgin to near Montgomery, moving east at 40 mph. This line of storms has a history of producing wind gusts to 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Chicago, Aurora, Naperville, Elgin, Waukegan, Cicero, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Oak Lawn, Berwyn, Mount Prospect, Wheaton, Hoffman Estates, Oak Park and Downers Grove.
* AFFECTED AREAS: COOK, IL ... DUPAGE, IL ... KANE, IL ... LAKE, IL ... MCHENRY, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Address/Location
City of Crystal Lake
100 W Woodstock St
Crystal Lake, IL 60014
Contact
Emergency: 9-1-1
Non-emergencies: 815-356-3620