A "triple dip polar vortex" is coming for portions of the U.S., but Colorado will likely escape its wrath. Here's what ...

A shifting polar vortex will send multiple rounds of Arctic air into the central and eastern United States through the first ...

Winter isn't just knocking anymore. It's kicked the door wide open and brought the polar vortex along for the ride. If you've ...

Arctic air created chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even colder air from a disrupted polar vortex is expected to further plunge temperatures ...

Cold air originating from the Arctic Ocean was dislodged earlier this week and spilled south across the United States. As a result, wind chills across the Eastern Plains bottomed out around 30 degrees ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 10 people ...

But the country could be in for shockingly cold weather soon as the polar vortex creeps down from the North Pole and across ...

Thanksgiving is this Thursday, Nov. 27, and there is a good possibility of some rain and snow across the region. The holiday ...

A rare stratospheric warming event high above the Arctic could disrupt the polar vortex and send colder air toward Texas in ...