Bundle up, Chicago: Bitter cold temperatures and even colder wind chills were in the forecast, the NBC 5 Storm Team said, thanks to a blast of icy, Arctic air that moved in following a cold front Wednesday.

Thursday morning, temperatures across the area were in the single digits, NBC 5 Storm Team Meteorologist Alicia Roman said. Things would get even colder from there.

"This is not even the coldest part of the day," Roman said at 5 a.m., pointing to nine degree temperatures in DuPage County. By 7 a.m., the temperatures are expected to drop even more, with wind chills as low as -15 or colder for some.

The high temperature Thursday at O'Hare is predicted to be 18 degrees. Some parts to the south and in northwest Indiana would see readings in the 20s, Roman said, thanks to lingering clou

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