"Arctic air will bring near record cold temperatures and dangerous wind chills," the National Weather Service said.
Fueled by a disturbed polar vortex, 18 states and D.C. have had more snow than average into December. In some areas, snowfall ...
The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...
A strong blast of Arctic air will drive temperatures sharply lower from the Midwest to the interior Northeast this weekend, bringing the season's coldest weather so far for many, forecasters say.
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