While forecasters can't yet say for sure, a warmer stretch of weather appears likely for much of the nation. Here's when to ...

A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

A winter buzzword, explained.

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

The polar vortex has shifted from obscure jargon to a phrase that can shut down schools, snarl air travel and strain power ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in the U.S., and why meteorologists talk about it during major cold events.

A cold weather advisory with wind chills as low as -15 degrees is in effect until noon on Feb. 7 after a passing winter storm ...

While the Northeast braces for another frigid polar vortex, Oklahoma will experience unseasonable temperatures. Here's when ...

This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire.

The cold weather appears to be here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep ...