Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

Something unusual may be brewing in the stratosphere, and meteorologists say it could change the course of the winter forecast. The atmosphere is at a "critical juncture," and what happens in November ...

It's that time of the year! An extensive and prolonged Arctic outbreak is on the way to impact much of the United States. From the Rockies through the Northeast and Southeast, temperatures will plunge ...

CHICOPEE, Mass. (WWLP) – This winter could be average, unlike recent years, due to the influence of the polar vortex. The polar vortex, which is a persistent large-scale cyclone located near the North ...

At least nine deaths are now connected to the polar vortex that's spreading dangerously cold air and causing major disruptions across the Midwest and Northeast. Nearly 90 million people are in the ...

Forecasters say that the polar vortex will usher in waves of frigid air across parts of the U.S. through January. The “more active polar vortex will drive colder air and snow across the central and ...

Arctic blast, polar vortex and Alberta clipper are all explained as Kaitlyn McGrath breaks down what makes winter weather so cold.

Colorado got clipped by the polar on its way down, contributing to a strong cold front and a very stormy Monday. But lucky for us, we stayed on the fringe of this wintry event.