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

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late Monday into Tuesday. The event comes ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Parts of Mississippi can expect freezing temperatures, lows in the teens in the coming week. Know how to prep your home, ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

Up next: another visit from the polar vortex. An Arctic air mass plunges into the Lower 48 next week. This brings the potential for multiple nights with subzero wind chills in the Ohio Valley.

Europe may be in for another cold blast like the one that surprised forecasters and sent gas prices soaring last week, with the potential weakening of winds that keep frigid air confined to the Arctic ...

If you thought last week was cold, hold onto your hot lattes and be ready to bundle up as ( another ) winter storm is forecast to plunge arctic air deep into the Deep South by early next week.

According to National Weather Service forecasters, “the southern lobe of the Polar Vortex” will generate a much more significant, frigid cold Arctic Blast that will graze across Canada and the United ...