Welcome to the Frozen Apple. Temperatures in New York City have remained below freezing since Friday — and they’re expected ...

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 ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

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.

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

The FOX6 Weather Experts track the polar vortex and its impact on southeast Wisconsin. Survive (and thrive!) in cold temps ...

A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly ...

After this weekend's snow storm moves out, cold Arctic air will move in.

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

Have you ever seen a 'steamnado' before? The Texas winter storm caused one to appear over Lake Lewisville on Sunday.