The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south. The center of this ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

In the wake of the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here ...

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

"Potentially hundreds of thousands of people may go without electricity and heat for days, one meteorologist said ...

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast. Here's the forecast.