When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more likely.

Every winter, we are flooded with talk of another 'Beast from the East' - but will we actually see a return of the wild conditions?

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...

Another round of snow, sleet, and freezing rain is heading to Central New York, as is bitterly cold arctic air.

The upcoming midweek storm is one of several systems that promises to bring precipitation and eventually the month's coldest ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Brrr! 🌬️ Discover why Wisconsin is experiencing more polar vortex events and what that means for the climate. Are we ready ...

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

As the polar vortex delivered what is expected to be its ... its extreme cold warning in anticipation of slightly warmer weather ahead. Jake Edmiston is a Toronto-based business reporter for ...

A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...