Severe Thunderstorm Warning until 09:00PM Saturday 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Northeastern Will County in northeastern Illinois... Southeastern DuPage County in northeastern Illinois... Southwest Cook County in northeastern Illinois...
* Until 900 PM CDT.
* At 819 PM CDT, a severe thunderstorm was located near Crest Hill, moving northeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Bolingbrook, Orland Park, Downers Grove, Romeoville, Lockport, Westmont, Homer Glen, Lemont, Burr Ridge, Willow Springs, Woodridge, Darien, Goodings Grove, Crest Hill, Palos Heights, Willowbrook, Palos Park and Fairmont. Including the following interstates... I-55 between mile markers 261 and 275. I-355 between mile markers 4 and 17. This includes...Argonne National Laboratory and Lewis University.
* AFFECTED AREAS: DUPAGE, IL ... COOK, IL ... WILL, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building.
Address/Location
Lockport Police Department
1212 Farrell Rd
Lockport, IL 60441
Contact
Emergency: 9-1-1
Non-emergencies: 815-838-2132