A polar vortex will linger through much of the country for most of this February, prolonging the deep freeze for weeks to ...

Sudden stratospheric warming is expected to keep a weakened vortex splintered, plunging the region back to record-breaking ...

Forecasters are warning that the breakdown of the polar vortex high above the Arctic will not bring relief from winter, but ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

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

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 ...

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

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

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

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast. Here's the forecast.

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