A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

The polar vortex is weakening, which means New England is in for a colder than usual December, with episodic cold snaps.

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

It has been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

A blast of polar vortex cold air is expected to hit parts of the country around Thanksgiving. What to expect in Tennessee.

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

The polar vortex could be disturbed in a way that hasn't happened this early in 25 years. You’d be forgiven for being ...