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

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

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 ...

LOUISVILLE, Ky. (AP) — Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern ...

An Arctic blast tied in part to the polar vortex is driving record frigid air south from the Northern Plains toward the Gulf ...

FOX Forecast Center / FOX Weather The polar vortex has returned to the U.S., and ... National Weather Service offices across the nation have issued Cold Weather Advisories and Extreme Cold ...

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 ...

Some media coverage has linked the latest blast of cold weather to the polar vortex — an area of low pressure and cold air circulating around the North and South poles in the stratosphere, which ...

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