Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

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

There are two of these polar vortexes -- one in the troposphere that affects weather every winter, and one in the ...

Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

The United States could be headed for some extreme weather this winter. That’s the early prediction from Severe Weather Europe, a website that tracks weather patterns around the globe. Three factors ...

Feeling that sudden chill? A triple polar vortex is sweeping across parts of the U.S. Here’s what that means — and where it’s ...