A fast-moving storm caused damage across Chicago's north suburbs, leaving downed trees and debris in its wake.
A severe thunderstorm watch for multiple Chicago-area counties expired at 8 p.m., but remained for LaPorte County in northwest Indiana until 9 p.m.
Strong storms brought high winds, heavy rain and localized flooding throughout the NBC 5 viewing area.
ComEd estimates that more than 174,000 customers were affected by the Friday storms.
As of 8:30 a.m. Saturday, the company reported 63,000 customers without power, including 54,000 in the north region.
ComEd said power is expected to be restored to the remaining customers by Sunday night or early Monday morning.
Restoring power in suburbs hit hardest, including Arlington Heights, Elgin, and Palatine, will take the longest, the company said.
In Northbrook, a building's revolving glass door was blown off in the storm.
Four construction workers were transported to area hospitals when a commercial building under construction collapsed in Des Plaines at 1500 E. Rand Rd. The workers suffered non-life threatening injuries.
Winds of up to 70 mph blew over this semi in the southbound lanes of U.S. 50 at I-90 in Hoffman Estates.
A Chik-fil-A store under construction in Streamwood at the northwest corner of Schaumburg and Barrington roads was damaged by high winds.
Strong winds also blew off a large portion of the roof at a Morton Grove nursing home.
Uprooted trees were reported north and northwest of Chicago, including in the cities of Evanston, Palatine and Northbrook.
Periods of showers are expected to continue into Friday night with a few storms, but they likely will fade overnight.
Temperatures significantly decrease by dawn with lows in the mid-50s inland. Models show Saturday likely will be a breezy, cooler and less humid day with temperatures in the low to mid-70s.
Mostly sunny and pleasant conditions will last through Sunday and Monday as highs continue in the mid-70s.
The next chance for rain comes late Monday into Tuesday. A few showers and thunderstorms are possible again late Tuesday.
Wednesday becomes more humid with showers and storms likely.