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

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.

An Arctic front is diving deep into the United States this weekend, sending temperatures plummeting across all 48 contiguous ...

The polar vortex shot into public lexicon sometime around January 2014, after a notable outbreak of icy arctic air that ...

The UK is set to see temperatures plunge with lows of -7C in an icy blast where most of the country will be blanketed in snow ...

The forecast calls for cold weather across the central and eastern U.S., with temperatures 10-15 degrees below average, ...

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

Hayden Frank, a meteorologist with the National Weather Service, said a “strong cold front” will be moving through the East ...

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

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...