The phrase “historic polar vortex” evokes a country locked in ice from the Great Lakes to the Gulf, but the most reliable records show a patchwork of extreme outbreaks rather than a single, weeks-long ...

And AccuWeather reports that “the polar vortex may be gone, but lingering impacts will keep waves of chilly air and frost ...

A massive winter storm is expected to impact more than half of the United States' population with some help from an arctic air mass. An Arctic cold front will bring “frigid sub-zero and single digit ...

The extreme cold that has gripped much of the eastern United States this winter shows no immediate signs of relenting, as a significant disruption to the Polar Vortex is expected to occur later in ...

A weakened polar vortex is expected to keep much of the Midwest and Northeast cooler than average this May, potentially making it one of the chilliest in recent years. The Weather Company and ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

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 ...