Right now, we don’t have any signs of extremely bizarre, warm weather. We don’t need that either in Michigan. Too much warmth ...

Add Yahoo as a preferred source to see more of our stories on Google. Get ready for some much colder weather. Forecasters are calling for a return of the polar vortex in the coming days and weeks.

The polar vortex will engulf much of North America as we head into next week, with temperatures dipping down into the -20s and -30s in some Canadian provinces. Even states like the Carolinas, Georgia, ...

This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire.

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...

You’ve almost certainly heard of the polar vortex. But what about "sudden stratospheric warming," a weather term that’s started making the rounds on social media? They’re related to one another, and ...