Record-Breaking Frigid Temperatures Put Northern U.S. Into Deep Chill

NEW YORK, NY - DECEMBER 27: Two women take a selfie photo in front of a frozen fountain in Bryant Park on a frigid day in Manhattan on December 27, 2017 in New York City. Dangerously low temperatures and wind chills the central and eastern United States are making outdoor activity difficult for many Americans. Little relief from the below normal temperatures is expected the first week of the New Year. (Photo by Spencer Platt/Getty Images)