A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

The cold temperatures — which might not reach Long Island — would be caused by a disruption in the polar vortex above the ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

The phenomenon, known as a sudden stratospheric warming, it's "the largest type of disruption that occurs to the polar vortex ...

The phenomenon, known as a sudden stratospheric warming, it's "the largest type of disruption that occurs to the polar vortex ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

A storm system will move through Oklahoma Tuesday into Tuesday night, Nov. 26, bringing rain across the region.

The polar vortex is a large area of arctic air that sits and spins across the North Pole. A strong jet stream will keep it ...

La Niña and polar vortex weather patterns will be at play for the 2025-2026 winter season. Here's what we know about the ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. We break down what that could ...