A polar vortex is set to bring winter conditions to the eastern United States by next week, with meteorologists predicting ...

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

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

CHICAGO — The polar vortex is back and the forecasts are dire: A quick punch of snow, followed almost immediately by a life-threatening level of cold that a generation of Midwesterners has never ...

Rain showers sweep in later Friday, and by Saturday the lowest mile of the atmosphere will be cold enough for a little snow to reach the ground. A dusting/coating of white is possible Sunday with a ...

New York City could see its first snow of the season on Tuesday as a powerful polar vortex sweeps across the eastern half of ...

The polar vortex shot into public lexicon sometime around January 2014, after a notable outbreak of icy arctic air that ...

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 beginning its seasonal strengthening, signaling a gradual shift toward cooler weather. Frost advisories were issued in parts of the Great Lakes region, New York, and New England as ...

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 ...