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

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

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

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

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

Now, it's got its own catchphrase: the polar vortex, which could be making a return engagement to the U.S. later this month or in January. Or maybe it won't. Regardless, the polar vortex – everyone's ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...