A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

A winter buzzword, explained.

There is definitely a major rearranging of the weather pattern around the northern hemisphere underway. It is going to take a ...

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of ...

Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

National Weather Service (NWS) offices are keeping a close eye on the weather setup and could issue Extreme Cold Warnings.

After weeks of brutal cold and disruptive storms tied to the Polar Vortex, the atmosphere is finally pivoting. A new jet stream configuration is easing the deep freeze in the East while steering long ...

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

While the Northeast braces for another frigid polar vortex, Oklahoma will experience unseasonable temperatures. Here's when to expect the shift.