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

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

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 ...

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

While long-range forecasts can change, current trends point toward a colder-than-normal late winter across Ohio.

The extreme cold that has gripped much of the eastern United States this winter shows no immediate signs of relenting, as a significant disruption to the Polar Vortex is expected to occur later in ...

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.

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.

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 isn’t just “cold air” — it’s a massive atmospheric engine that can shift and crack, sending brutal winter outbreaks far from the Arctic. This decade, scientists warn its behavior ...