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

Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of Arctic air, and even snow.

During winter in the Northern Hemisphere, the polar vortex can often expand and send cold air south, often referred to as an ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

This winter’s harsh run in the East is intensifying, with some of the coldest air so far this season plunging into Vermont this weekend.

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

Michigan are bracing for the coldest weekend of winter as Arctic air plunges south.

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 ...

Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

As winter deepens, the United States braces for an Arctic air invasion, promising some of the coldest temperatures this season. This article will explore the implications of the polar vortex, the ...