The coldest air of the early winter season is blasting the eastern U.S. on Monday, with single-digit temperatures with ...

The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More than ...

Much of the U.S. will experience the cold weather, with Floridians facing the threat of frost later this week.

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

Another round of bone-chilling air from the Polar Vortex is expected to invade the central and northeastern U.S. this weekend ...

The polar vortex can commonly be disrupted during the winter and is known to cause an Arctic outbreak in the United States.