A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...

Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below normal for mid-to-late January. Parts of Utah are on the "very western ...

A polar vortex is forecasted to blanket most of the continental ... In a tweet from the service, the strong cold front will bring rain and snow showers in the Great Lakes and dangerously cold wind ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

Most of the USA is currently freezing. Since the weekend, a polar cold front has swept across the country, reaching as far as ...

The polar vortex -itself- is nothing new ... though nothing is imminent. We have a front that delivers rain to the area this weekend. That front may stall near the East Coast, serving as a ...

Denver is soldiering through a blast of freezing cold and snow Saturday morning, as winter weather generated by a polar vortex continues to hit the Front Range. National Weather Service ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...