Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

Strong winds, frigid temperatures, and snowfall moved across several states during the course of the last few days, and for ...

A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...

The relentless winter of 2025-26 in the East is about to unleash its most brutal cold outbreak yet.

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

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.

A late January 2026 winter storm left more than snow and ice in its wake.

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

So far this winter, the East has endured frigid temperatures and record snowfall, now, some relief may be in sight. While much of the West hasn't seen the winter weather it is used to, a change in ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...