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 ...

Winter got off to a fast start in the Lower 48 even before it was technically winter. Waves of cold gripped the eastern two-thirds of the United States and several winter storms tracked across the ...

Now, it's got its own catchphrase: the polar vortex, which could be making a return engagement to the U.S. later this month or in January. Or maybe it won't. Regardless, the polar vortex – everyone's ...