Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

The FOX6 Weather Experts track the polar vortex and its impact on southeast Wisconsin. From emergency supplies to stick in ...

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

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

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...

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.

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

In the wake of the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar ...

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

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