Red zones are predicted in New York, Kansas and Virginia as a winter storm continues to grow in the United States.

Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

A National Weather Service map shows what is forecast to be the coldest polar vortex in the US this winter (Picture: National Weather Service) The tenth and coldest polar vortex of the season is ...

How Alaska’s cold keeps ending up in the Lower 48 A few atmospheric factors — including the polar vortex — have come together to make the US the epicenter of cold this winter. One is a ...

A polar vortex collapse could bring cold weather to the UK later this month, the Met Office has warned. The weather ...

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered through in February. This weather phenomenon is expected to bring more winter ...

A polar vortex collapse is set to send the mercury plunging as "extreme conditions" sweep across the US and Canada. The meteorological switch-up is set to develop by the middle of the month and ...

AccuWeather Long-range Expert Paul Pastelok said the shifting and stretching of the polar vortex could impact the United States around the middle of March with impacts potentially lingering into ...

At such a critical moment in US history, we need reporters on the ground ... Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after ...

Extreme weather and life-threatening cold temperatures are set to hit western states near the Rocky Mountains - after severe flooding killed at least 10 people in the eastern US over the weekend.