A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

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

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

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

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

The cold temperatures — which might not reach Long Island — would be caused by a disruption in the polar vortex above the ...

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

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.

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

According to meteorologists and climatologists, critical changes in two major atmospheric patterns—La Nina and the polar ...

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

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