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 ...

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

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

How does a polar vortex form? It's a normal pattern that tends to contain the coldest weather close to the North Pole. A ...

Polar vortex will hit the U.S. with three waves of snow, extreme cold and storms. Will Mississippi weather feel the chill?

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

A polar vortex brings frigid temperatures and a light chance of snow Friday. High winds could become dangerous combined with ...

Rain was falling across much of the area on Tuesday and was expected to taper off by mid-afternoon, forecasters said.

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

Europe is forecast for unseasonably warm weather through much of December, curbing heating demand and weighing on natural gas ...