Yes, a lobe of the polar vortex at lower levels of the atmosphere (known as the "tropospheric polar vortex") is responsible ...

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

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

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

Several rounds of bitter cold are expected in the eastern U.S. through early March, after a stratospheric warming event ...

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

The cold weather is here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep arctic air ...

"Very cold daytime temperatures will struggle to rise above the teens and single digits," the Weather Prediction Center said.

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of unseasonable warmth, which has left many mountain ranges in a snow drought. A major ...

A late January 2026 winter storm left more than snow and ice in its wake.