While forecasters can't yet say for sure, a warmer stretch of weather appears likely for much of the nation. Here's when to ...

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

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

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

Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.

The polar vortex that has locked much of the country into a deep freeze is finally loosening its grip, and the atmosphere is already lining up a very different pattern. Forecasts point to a sharp but ...

With the polar vortex intensifying next week, the jet stream will acquire strength, however, in an approximate west-to-east pattern across the U.S. and southern Canada, AccuWeather senior ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire.

This winter’s harsh run in the East is intensifying, with some of the coldest air so far this season plunging into Vermont this weekend.