A combination of frigid air with a low pressure system over the Gulf are behind the storm, which could bring heavy snow just ...

The polar vortex, a swirling mass of cold air typically confined to the Arctic, has weakened, spilling its icy grip across North America. This Siberian chill has swept down from the North Pole, ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

After days of balmy weather, City is slated to get buried in snow and then hit with an arctic blast expected to unleash a ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Here's a detailed forecast and timeline of when NYC will see snow on Sunday, how many inches to expect and what's forecast to happen when a polar vortex sweeps the area next week: ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

A large part of the U.S. is getting hit with another Arctic blast, adding to an already cold January 2025. Forecasters expect ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

A potent shot of Arctic air starts settling in Monday as a massive dip in the jet stream pulls in frigid air across the ...