A deadly crash was impacting Arsenal Road near I-55 in Channahon on Tuesday morning.
At least one person was killed in a crash on Interstate 55 near south suburban Channahon on Thursday night, officials said.
The National Weather Service said preliminary information shows at least 28 tornadoes hit the Chicago region over the span of two days earlier this week.
There are still more than 65,000 ComEd customers without power Wednesday morning across the Chicago area after Monday evening's powerful storm.
Parts of I-55 remain shut down in south suburban Will County as crews work to clear power lines downed during Monday night's severe weather.
Channahon fire crews rescued someone from a water tower Thursday, officials said on Facebook.