A polar vortex expansion is bringing extreme cold and heavy snow to over 150 million Americans across two dozen states.

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

A severe winter storm sweeping across the central and eastern U.S. in late January 2026 is threatening states from Texas to ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside.

A massive winter storm driven by a weakened polar vortex has swept across the United States, killing at least seven people ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle ...

The National Weather Service is warning people to remain vigilant because this ice storm is not over yet. Here's the latest ...

What travelers should know as a polar vortex heads towards the United States, including how airlines and hotels are responding, and experts on whether you should cancel your trip.

A powerful winter storm is moving across the United States, disrupting travel, cutting power to thousands, and unleashing ...

Snow across the U.S. and a polar vortex in Canada triggered cancellations and delays in Tampa, leaving travelers scrambling ...

A polar vortex disturbance will drive a winter storm in Kentucky, with snow, frigid temps, and wind chills below zero ...

More snow is on the way for southern Ontario, with a widespread shot occurring on Wednesday. That will be followed by ...