Meteorologists forecast an over 20-degree drop in temperature below normal across the Eastern United States, and freezing ...

An impending polar vortex is set to plunge temperatures across the eastern US into the 30s and 40s. The National Weather Service warns of significant cold and snow.

Next week's pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns will converge to bring early bone-chilling cold and potentially more ...

A "shocking" Arctic blast – with temperatures more akin to mid-January than early November – is poised to overspread the eastern half of the U.S. starting around Nov. 8, sending tens of millions into ...