Bitter cold expected until New Year in Midwest and Northeast

Nancy Stone/Chicago Tribune via AP

At North Avenue beach on Chicago’s frigid lakefront a lone walker is silhouetted against the steamy lake, Tuesday.

Nancy Stone/Chicago Tribune via AP

People bundle up to walk down Wentworth Avenue on Tuesday in Chicago. Temperatures hovered around zero degrees in Chicago on Tuesday. Meteorologists warn of sub-zero frigid arctic air and dangerously cold wind chills.

Elizabeth Nida Obert/The Rochester Post-Bulletin via AP

Jack Frost makes an appearance in Rochester, Minn., Monday, Christmas day, as the mercury hovered near the zero degree mark. A cold week of more of the same is projected for the week ahead.

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