When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

An Arctic blast is forecast to usher in multiple waves of dangerous cold to the Midwest and Northeast next week, forecasters ...

A rare polar vortex event could push Arctic air far south this winter, potentially exposing 250 million Americans across 40 states to extreme cold—a phenomenon last seen in 1958 and 1968.

Your January to March outlook is here and if you like the weather that we’re ending 2025 with, you’ll like this forecast.

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.

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

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

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

There may have been no white Christmas, but there could be a white New Year as the Met Office warns that an Arctic chill is ...

Forecasters are tracking new polar vortex changes that could reshape early December across the U.S. How will this affect ...