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

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

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

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

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

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in the U.S., and why meteorologists talk about it during major cold events.

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

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

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

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

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy skies and a low around 13°, but the southwest wind running 10 to 20 mph will ...

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with ...