The polar vortex may be gone, but lingering impacts will keep waves of chilly air and frost threats in play across parts of ...

After a record warm March and April, it only stands to reason May should sear in record heat, right? Well, that's not what ...

The sudden blast may have come as a shock to many Americans after a mostly mild start to winter, but that warmth may have partly contributed to the ferocity of the storm. As atmospheric and climate ...

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

Hang on to your coats and scarves: While the first part of this week brought a brief reprieve from the brutally cold weather the U.S. has been experiencing since January, frigid temperatures are about ...

LOUISVILLE, Ky. — Significant winter storm expected to bring snow and bitter cold to the Kentuckiana area this weekend is being driven in part by a polar vortex, a large system of frigid air normally ...

The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's expected for April weather?

CHICAGO (WLS) -- Polar Vortex? Not quite, but Chicago weather is on pace for a cool down next week. "The jet stream will be buckling unusually far south for mid-July, allowing a cross polar flow of ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

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 ...