AccuWeather long-range forecasters are warning that a significant shift in the weather pattern could bring a blast of frigid ...

A polar vortex collapse is set to send the mercury plunging as "extreme conditions" sweep across the US and Canada. The meteorological switch-up is set to develop by the middle of the month and ...

And while the weather will remain relatively warm for the next week, a polar vortex collapse expected over the next two weeks may bring cold temperatures and even snow to Columbus. Here is what ...

BISMARCK, N.D. (AP) — Harsh cold descended on the nation's midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the Eastern U ...

A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of the vortex will drive very cold air into Michigan Sunday into the first ...