The polar regions hold some of this country’s most valuable assets. The U.S. has operational bases in both the Arctic and ...

Its strength and position shift with the seasons, according to the National Weather Service. When the vortex is strong, the ...

A new polar vortex is forming over the North Pole, signaling a potentially volatile winter 2025–2026 for the US, Canada, and ...

A new weather buzzword is storming social media as Hurricane Humberto may do a giant dance with another tropical cyclone in ...

Stratospheric temperatures in Antarctica are spiking, which could see strange weather unfold across the southern hemisphere ...

Here's what weather experts say about how we'll be impacted by a polar vortex in Indiana, and when we can expect our first frosts around the state.

Temperatures are staying relatively warm throughout Illinois this week, despite fall officially starting Sept. 21. But ...

As the polar vortex begins to stir, subtle clues point to the coming seasonal shift. So, when will freezing temperatures ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is the first frost in Tennessee?

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is the first frost in Tennessee?

To be classified as a derecho, a windstorm must have winds of at least 58 mph, some gusts over 75 mph and a wind damage path ...

The polar vortex is beginning to stir, signaling the first signs of seasonal change. Here's when to expect the first frost in New Hampshire.