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South and east will shiver as brutal arctic blast takes hold

The coldest blast of arctic air this winter sent wind-chill readings to 50 below zero in Minnesota — and the pain is headed south and east for Thursday.

A woman tries to stay warm as she waits for a train on an L platform during the morning rush while temperatures hovered around zero degrees Fahrenheit on January 7, 2015 in Chicago, Illinois. (Photo by Scott Olson/Getty)
A woman tries to stay warm as she waits for a train on an L platform during the morning rush while temperatures hovered around zero degrees Fahrenheit on January 7, 2015 in Chicago, Illinois.Getty Images

Erin McClam