A significant and rare polar vortex shift is currently unfolding in February 2026, triggering extreme winter conditions across the US, Europe, and Canada.The “exceptional” ...

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

Sudden stratospheric warming is expected to disrupt the polar vortex, sending more bursts of extreme cold our way.

A disrupted polar vortex will unleash a series of bone-chilling Arctic outbreaks across the eastern United States this month.

While long-range forecasts can change, current trends point toward a colder-than-normal late winter across Ohio.

After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other plans. A recharged polar vortex is poised to drive another round of bitter ...

Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of ...

Forecasters are warning that the breakdown of the polar vortex high above the Arctic will not bring relief from winter, but instead lock in a brutal stretch of cold for millions across North America ...

The polar vortex is a large area of low pressure and cold air surrounding the Earth’s poles. During winter, it can strengthen and push frigid Arctic air southward into the United States. This year, a ...

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

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

This winter’s harsh run in the East is intensifying, with some of the coldest air so far this season plunging into Vermont this weekend.