A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...

"The coldest conditions (as a whole) will be felt today and on Tuesday," an AccuWeather meteorologist told Newsweek.

A fierce cold snap is in the forecast for the central and eastern U.S. early next week, forecasters warned, with ...

"This has the potential to be the most significant period of cold we have seen so far this fall," one meteorologist told ...

An Arctic front is diving deep into the United States this weekend, sending temperatures plummeting across all 48 contiguous ...