Storms Rip Down Trees, Knock Out Power

It could take days to restore power to more than 267,000 Commonwealth Edison customers who remain without electricity Wednesday morning after a severe thunderstorm downed power lines and trees throughout the Chicago area Tuesday night. The storm, which hit Chicago about 9 p.m., prompted numerous tornado warnings throughout the area, according to the National Weather Service. By 9:30 p.m., the most severe portion of the storms passed to the northeast.