Clusters of powerful winter storms have been made more likely by an “intense swirling vortex of winds” miles above the Arctic, scientists have found. A team of researchers from the Met Office and the ...

A rare atmospheric collision is poised to deliver unprecedented Arctic air across North America in December 2025. On November ...

An arctic blast is on track to bring freezing temperatures to the U.S., including Kentucky. What to know ...

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could arrive later in December.

The polar vortex could be disturbed in a way that hasn't happened this early in 25 years.

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

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a major concern.

The Pacific Northwest is expected to see up to seven inches of rain this week, as the eastern United States braces for arctic cold.

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

U.S. natural gas futures spiked to their highest levels in nearly three years as models now show a frigid first half of December across the Lower 48 ...

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.