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

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 ...

The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...

The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas.

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

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

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

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

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

After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...

A winter weather advisory for Columbus, Franklin County and other central Ohio counties is in effect from 8 p.m. Wednesday to ...

A cold weather advisory is in effect until noon Tuesday, with wind chills ranging between minus 15 and minus 25 before plummeting to minus 10 overnight in outlying areas. But a warm-up is on tap for ...