Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped much of the country.

A lobe of the polar vortex, a stormy ring that typically keeps ... such as Dallas and Atlanta, could be hit by more wintry weather in the week ahead. With the storm’s puzzle pieces still ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update ... forecasts for parts of the U.S. that may be hit hardest with snow and ice amid the impending winter ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

You may have seen social media posts about it and chatter of big weather pattern changes heading our way, but what's really ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

Brits could face several inches of snow in the coming days according to shocking new weather maps, with forecasters also ...