A man walks through heavy snow in Denver on Jan. 3, 2015.
Brent Lewis—Denver Post/Getty Images
January 5, 2015 7:06 AM EST

A bitter barrage of icy air is set to chill the eastern two thirds of the United States in some of the coldest temperatures so far this winter, forecasters warned. The second arctic blast in a week is expected to start in the Upper Plains on Tuesday, moving to the Midwest on Wednesday and the Northeast on Thursday. Meanwhile, a winter storm that formed in the Northwest on Sunday was forecast to dump snow along a 2,000-mile-long corridor from Montana to Ohio through Tuesday.

Kevin Roth, lead meteorologist at The Weather Channel, said Chicago would likely not see temperatures above zero on Wednesday…

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