The first mass of polar air of the season will begin arriving tonight in the north of the Dominican Republic, so that the ...

Spain braces for an Arctic air mass bringing sub-zero temperatures, frost and snow to much of the country from Thursday, warns AEMET.

A possible wobble in the polar vortex could soon push frigid air into the northern U.S., and Ohio could see more arctic air around Thanksgiving.

Our first true shot of winter arrives late Sunday and spills into the first half of next week. I’m not talking about snow. Instead, a shot of Arctic air will plunge south into the United States from ...

Michigan could see a return of Arctic air around Thanksgiving as models suggest a possible wobble in the polar vortex, which could push frigid air into the northern U.S.

Parts of Mississippi may see severe storms on Friday and a Canadian air mass is expected to follow bringing widespread ...

Wisconsin is in store for a warmer weekend, but could see a return of Arctic air around Thanksgiving as models suggest weakening in the polar vortex.

New York could see a return of Arctic air around Thanksgiving as models suggest a possible wobble in the polar vortex, bringing frigid air into the U.S.

The polar vortex is an area of low pressure, a wide expanse of swirling cold air that is parked in polar regions, according ...

A deep freeze loosens its grip on the East while a powerful Pacific storm takes aim at California, bringing heavy rain, mountain snow and strong winds ...