Sudden stratospheric warming is expected to keep a weakened vortex splintered, plunging the region back to record-breaking ...

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren't going anywhere, as a major ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast.

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the month. The ongoing pattern may trend stormier with areas of snow and ice ...

The polar vortex has shifted from obscure jargon to a phrase that can shut down schools, snarl air travel and strain power grids across continents. In the 2020s, as the climate warms and ...

Winter is here to stay across the Eastern U.S. with more frequent Arctic outbreaks expected on top of what the past few weeks have already delivered. Stay with FOX Weather for the latest.