Thousands were without power after a line of storms blew into the area overnight, bringing strong winds, dust storms and transit delays.
More than 12,000 customers were without power across the state Wednesday morning, according to ComEd. A total of 670 outages were reported as of 9 a.m., including 225 in Cook County affecting more than 2,600 people. Nearly 2,500 people were also affected in DuPage and Lake counties.
Tuesday night, winds gusted up to 75 mph in portions of central and northeast Illinois and northwest Indiana.