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

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

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 ...

Polar air masses from Siberia are forecast to ... Forecast details depend on how quickly a cold front moves along the Eastern Seaboard over the weekend. Faster movement will cause the storm ...

Most of the USA is currently freezing. Since the weekend, a polar cold front has swept across the country, reaching as far as the Gulf of Mexico. This intense cold won't have the same impact on Europe ...

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

The gradual day to day warm up has an expiration date. A strong cold front, with air originating near the North Pole, will spill into West Texas, the South Plains, and Lubbock this weekend. Take a ...

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 ...

The cold front will also bring more snow to parts of Utah and clear out the latest inversion. Polar vortexes happen when low pressure and cold air near the North Pole move toward the contiguous U ...