The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

The Pacific Northwest is expected to see up to seven inches of rain this week, as the eastern United States braces for arctic cold.

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

Will the polar vortex change Alabama’s winter outlook and could it set the stage for a white Christmas? Here’s what we know so far.

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

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

The polar vortex is a large upper-level, low-pressure area or circulation that typically resides above the Arctic Circle.

January 2025 has been the coldest since 2018 and the fourth-coldest since the turn of the century. It looks like it could get even colder heading into next week. Within the last decade, the phrase ...

This is what a split in the polar vortex looks like! Highlighted by the red boxes, you can see two distinct circulation centers, versus strictly one. This allows for cold air to flood southward into ...