The United States is facing a storm unlike any seen in a long time. The National Weather Service has confirmed a blast of ...

Similarly, wind chill temperatures measure how cold people and animals feel when outside, measuring the rate of heat loss ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

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 collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

"Potentially hundreds of thousands of people may go without electricity and heat for days, one meteorologist said ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

National Weather Service Binghamton has issued a hazardous weather outlook for the area as the polar vortex approaches.

Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy ...

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 ...