"The outbreak this week will be the first of probably three such rounds with it. Another cold blast is likely next week and a third the week after that," AccuWeather Lead Long-Range Meteorologist Paul ...

A rare atmospheric collision is poised to deliver unprecedented Arctic air across North America in December 2025. On November ...

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

Temperatures will see a dramatic drop to dangerously cold levels starting mid-afternoon as the Arctic front passes through.

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.

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

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

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

When you're expecting a polar vortex to hit, don't forget about the birds that are in your garden by keeping them safe during ...

But the country could be in for shockingly cold weather soon as the polar vortex creeps down from the North Pole and across ...

A rare stratospheric warming event high above the Arctic could disrupt the polar vortex and send colder air toward Texas in ...