The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people from Montana to Maine and potentially as far south as northern Texas.

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been ...

A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

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

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

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...