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

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 big winter (and popular) topic is dusted off very early this season as frigid air plunges south for Veterans' Day. But ...

More than 190 million Americans woke up to an arctic blast Tuesday, with most people 15-25 degrees below average from the ...

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 ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...

The Earth's polar vortex is stirring up, bringing the first hints of changing weather as the autumn foliage starts to turn and the temperatures begin to drop. The movement means gradual cooling and a ...

The Earth's polar vortex is strengthening, signaling a gradual cooling and a more active storm track across the northern U.S. North Carolina's first freeze typically occurs between late October and ...