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

A massive winter storm dumped snow and freezing rain on New Mexico and Texas Saturday as it spread across the United States ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of ...

A massive winter storm named fern is set to sweep across much of the United States, bringing snow, ice and extreme cold. Over ...

A significant portion of the U.S. is experiencing below-average temperatures due to a disrupted polar vortex, affecting over ...

Extreme weather is sweeping across the United States. Friday, the polar vortex will peak, bringing freezing temperatures to much of the country.

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

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

Another polar vortex is expected to bring subzero temperatures that will affect more than 40 million Americans in the coming ...

Forecasters say the first snow storm of the season to take aim at major Northeast cities will dump several inches of snow over the weekend, followed by a bitter Arctic blast courtesy of the polar ...

A powerful winter storm, influenced by a polar vortex, is impacting much of the U.S., bringing heavy snow, ice, and extreme ...