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 ...

A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast says the low ...

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

Feeling that sudden chill? A triple polar vortex is sweeping across parts of the U.S. Here’s what that means — and where it’s ...

NEW YORK — Millions along the Interstate 95 corridor on the Northeast coast will see their first significant winter storm of ...

The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a ...

More Arctic air is building over northern Canada and will be directed into the United States, courtesy of the polar vortex. How long will the cold waves last? Will it stay cold through Christmas?

Most of Virginia is expected to receive 1-4 inches of snow on Monday, just three days after a similar snowfall covered all ...

The central and eastern United States are bracing for an extraordinary cold snap just ahead of Christmas, according to a ...