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

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of 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 fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

The displaced polar vortex will bring prolonged periods of cold to the eastern portion of the Lower 48 through the end of ...

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

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

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

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

Wisconsin is bracing for one of the coldest evenings of the season with wind chills expected to plunge as low as -40 to -50 ...

Environment Canada warns of a polar vortex chill hitting Ontario with wind chills as low as -45 in some communities. Learn ...