Three rounds of cold Arctic air from a shifting polar vortex are expected to plunge much of the central and eastern U.S. into a cold snap in the coming weeks, meteorologists say. The first wave of the ...

A shifting polar vortex will send multiple rounds of Arctic air into the central and eastern United States through the first ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to expect in Tennessee.

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

Can you feel the chill? Here is the news to know on Thursday.

Some states are gearing up for subzero temperatures. Here's what to look out for.

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

As we head into the polar vortex, meteorologists are calling for up to a foot of snow in some parts of the U.S.

A "triple dip polar vortex" is coming for portions of the U.S., but Colorado will likely escape its wrath. Here's what ...

A polar air mass from Canada is hovering over Wisconsin on Tuesday, Dec. 3, bringing single-digit temperatures and negative wind chills.

Some light snow is possible across much of New Jersey on Friday night after an Arctic blast of much frigid air could ...

A weather expert has confirmed Brits across the country will need to prepare for strong winds and snowy conditions as the ...