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

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 ...

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 ...

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming weekend. A polar vortex is bringing Arctic air into the United States, and ...

A rare polar vortex event could push Arctic air far south this winter, potentially exposing 250 million Americans across 40 ...

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

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

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

The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More than 50 million people can expect to see single-digit wind chill temperatures ...

Winter started quickly across most of Canada! Will a classic Canadian winter pattern hold through January and February?