Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

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

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

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

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...

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

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

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

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

Since we are deep into Arctic air, the snow will be slowing down, for at least one week. As the somewhat warmer air shifts ...

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t just talking Michigan’s normal cold. It could be 20 degrees colder than ...