A major snowstorm pounding parts of the Midwest on Monday will give way to record-smashing cold this week as a powerful Polar Vortex drives a deep freeze across the nation. A major snowstorm pounding ...

To say that January has been a tumultuous month weather-wise would be an understatement. The month has featured a string of severe winter storms, wild temperature swings and even a few bouts of ...

The polar vortex split will help cause temperatures to plummet and potentially set the stage for some snowstorms. A recent strong "sudden stratospheric warming" event has caused the vortex to weaken. ...

ANNAPOLIS, Md. -- The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances of freezing weather through much of the country. Ice, ...

(Reuters) - Meteorologists have blamed a phenomenon called the polar vortex for the bitter cold that has descended on much of the central and eastern United States this week, forcing residents to ...

LOUISVILLE, Ky. (AP) — Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms pummeled the eastern U.S. over the weekend, ...