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.

Hello, world? Can I come out of hibernation yet? Folks in the central and eastern United States who've endured weeks of bitter cold and snow are wondering: Is winter over? Will the polar vortex come ...

LOCAL TRAFFIC, WITH FARNAM AND TURNER BOULEVARD CLOSED. 809 NOW ON YOUR SATURDAY AND HUNDREDS ARE TAKING AN ICY PLUNGE THIS MORNING FOR A GREAT CAUSE. KETV NEWSWATCH SEVEN’S MARY REGLI IS LIVE AT LAKE ...

After sending temperatures plunging across Michigan this winter, the polar vortex has retreated. As if we hadn't noticed. "We are actually on the opposite side of it, on the warmer side," said Jaclyn ...

KENNEDY SPACE CENTER — As SpaceX launched the four-person crew of the Fram2 mission on Monday night, it was a takeoff for the history books as they will be the first humans to ever orbit Earth’s polar ...

Florida has experienced an unusually cold winter with multiple Arctic blasts due to a weakened polar vortex. Another major, widespread freeze in Florida is unlikely for the remainder of the winter ...

Olmsted County Sheriff Kevin Torgeson, left, and Otter Tail County Sheriff Barry Fitzgibbons high-five after taking their plunge during the annual Rochester Polar Plunge hosted by Special Olympics ...