Sometimes, the polar vortex simply stretches out, bringing quick bursts of cold air and some wintry weather to the U.S. In ...

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

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

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

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

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

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

A rare event happening in the stratosphere could affect the polar vortex and cause a colder, snowier December in Michigan.

A sudden stratospheric warming could soon disturb the polar vortex, causing frigid air to spill from the North Pole to North ...

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

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...