A cold winter is likely in store for those in the northern U.S., with milder temperatures across the southern tier, according to NOAA’s National Weather Service winter outlook issued Thursday. The ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is ...

The polar vortex is stirring up, bringing the earliest hints that the seasons are changing. When will Wisconsin see its first ...

The forecast released Oct. 16 predicts where above- or below-normal temperatures and above- or below-normal precipitation are ...

The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

The polar vortex is a broad, fast ribbon of cold air that encapsulates the Arctic high in the stratosphere. Stable, it confines cold air near the North Pole. Unstable, it is rocked and stretched out ...

HOUSTON, Texas (KTRK) -- With this most recent freeze now behind us, many Houstonians are probably wondering if another freeze could impact them this winter. When it comes to freezes, forecasters ...

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...

The polar vortex is stirring up and bringing the earliest signs of changing weather. Here's when and what to know about the first frost in Pennsylvania ...

High above the Arctic, powerful winds are breaking apart — and the effects could reshape the planet. This film investigates how a collapsing polar vortex might lead to a new Ice Age.

Persistent blasts of Arctic air have been keeping it bitter cold. — -- Once again the relentless stretch of bitter cold battering Northeastern cities including Boston with record snow has many ...