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.

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south. The center of this swirling vortex will come as far south as Lake Superior. When the center of the Polar Vortex is so close to Michigan,

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is the Polar Vortex, exactly?

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms.

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

Large swaths of the United States will get an arctic blast this week, leading to heavy snow, sleet, and freezing rain in parts of the country. Here’s what that means for travelers.

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle Tennessee.

A blast of cold air is on its way to the Chicago area later this week, after some more snow expected Wednesday.