The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...

"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...

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

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

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

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

The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.

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 ...

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

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 ...