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

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

In its January to March 2025 outlook, the NWS said polar vortex winds were expected to remain strong through January, meaning ...

The United States has been experiencing severe winter storms, which is likely to affect more than 60 million ... is caused by the expansion of the polar vortex – an area of extremely cold ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

But the latest polar vortex is forecasted to affect large parts of the United States, here is what you need to know. Here's a look at weather forecasts for parts of the U.S. that may be hit ...

(Watch the forecast from Dec. 30 at 4 p.m. in the video player above.)While this polar vortex event will not affect Northern California, its presence in the central and eastern U.S. will have an ...