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 ...

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

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

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

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

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

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

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

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

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