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

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

A major snow storm is hitting the Northeast this weekend, but what can you expect near you? See the latest NOAA forecast, ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

It seems like you cannot mention cold weather in the fall and winter without coming across the phrase “polar vortex.” Meteorologists often refer to this weather element as a potential culprit behind ...

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still around.

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

Thanksgiving is less than a week away which means the fall season is nearing its ends. So that means cold weather is approaching and with it comes the weather pattern known as a polar vortex. But what ...

The issue arises when this vortex becomes destabilized. During sudden stratospheric warming events—sharp increases in ...

Meteorologists are predicting cold air to sweep across much of the United States in the week following Thanksgiving. That'll mean below-normal temperatures for a lot of areas. But lucky for ...