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

Niagara Falls turns into a frozen wonderland as a powerful polar vortex pushes temperatures below -20°C, freezing mist ...

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

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

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

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

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

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.

This winter, the Northern Hemisphere has been suffering from extreme cold. In South Korea, an unusually prolonged cold wave ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

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

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