Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

Persistent polar vortex disruptions will funnel repeated rounds of arctic air and snow across the Eastern United States this ...

"Very cold daytime temperatures will struggle to rise above the teens and single digits," the Weather Prediction Center said.

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

Sudden stratospheric warming is expected to disrupt the polar vortex, sending more bursts of extreme cold our way.

A swath of cold air, known as an "arctic blast," is on the way and just in time for the holiday season. As reported by NBC News, cold air from the polar vortex above Canada is expected to bring icy ...

Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of Arctic air, and even snow.

The incoming Arctic blast will bring very cold temperatures to West Michigan, but it still falls short of the historic, extreme cold experienced during the 2019 Polar Vortex.

Another round of frigid weather is making its way to the Eastern United States and will affect most of Tennessee. If you couldn’t get enough of the cold temperatures in early December, there’s more on ...

A winter buzzword, explained.

A "shocking" Arctic blast – with temperatures more akin to mid-January than early November – is poised to overspread the eastern half of the U.S. starting around Nov. 8, sending tens of millions into ...