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

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 ...

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

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

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

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.

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

Wind chills are below zero degrees throughout the First State as a polar vortex grips the region. Wilmington, Dover and Lewes ...

While the Northeast braces for another frigid polar vortex, Oklahoma will experience unseasonable temperatures. Here's when ...

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

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree.