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

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

The relentless winter of 2025-26 in the East is about to unleash its most brutal cold outbreak yet. How cold will Ohio get?

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

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 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 ...

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

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

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

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

During winter in the Northern Hemisphere, the polar vortex can often expand and send cold air south, often referred to as an ...

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...