A week-long, unusually cold Arctic outbreak will bring frigid conditions to most locations east of the Rockies starting today ...

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.

Ushering in the polar vortex is a winter storm, which was tracking from the Midwest toward the East Coast on Saturday. In ...

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...

The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

The strong polar vortex which ushered in the record cold is being replaced by a warming trend. All this week high ...

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...