The U.S. is set to feel the impacts of an Arctic polar vortex next week, meteorologists have warned, with sub-zero ...

A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.

A wobble in the Polar Vortex could bring another round of brutal Arctic air to New York just in time for Thanksgiving, with ...

Next week’s pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns ...

The odds of extreme cold this winter in the US, Asia, and parts of Europe are climbing, threatening to boost energy bills for ...

New York City could see its first snow of the season on Tuesday as a powerful polar vortex sweeps across the eastern half of ...

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.

A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...

More than 84 million are under winter weather bulletins with several states expected to see lows 10 to 25 degrees below ...

Weather forecasters are using terms like polar vortex and La Niña to describe the weather around the upcoming holiday season.

However, this particular outbreak is a bit out of season, as the fiercest cold snaps are typically reserved for mid-winter.