Federal forecasters are tracking a weakening polar vortex that could funnel another round of Arctic air into the Northeast during the second half of March 2026. Diagnostic data from NOAA’s Climate ...

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

As the polar vortex disappears every spring, the way it ends dictates why some years we don’t experience these mid-spring ...

Add Yahoo as a preferred source to see more of our stories on Google. Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of Arctic ...

Add Yahoo as a preferred source to see more of our stories on Google. Michigan and the Great Lakes are bracing for another cold shot later this month — down to single digits in places — as a polar ...

A rare spring polar vortex core lingering over North America is delivering late-season snow, cold air, and travel disruptions across parts of the U.S. Forecasters link the chill to a recent ...

Polar vortex split brings the freeze. How long will it stick around? Several rounds of bitter cold are expected in the eastern U.S. through early March, after a stratospheric warming event disturbs ...

A polar vortex split is expected to bring frigid Arctic air and single-digit temperatures to Ohio and the Great Lakes region later this month. The event is a full split of the vortex, which could lock ...

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.