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 ...

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

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

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 ...

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 ...

"Arctic air will bring near record cold temperatures and dangerous wind chills," the National Weather Service said.

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming ...

With La Niña conditions in place, some parts of the U.S. are already experiencing record cold temperatures —and more could be on the way. Meteorologists warn that this week will see yet another polar ...

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

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