More than 400 flights were delayed or canceled at Denver International Airport on Monday as a polar vortex continued to ...

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

Most of the current cold snap, which swept in a few days ago, should have passed, but temperatures remain dangerously low.

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

A rare winter storm is set to blanket the southern US in snow and ice as the entire East sees temperatures plunge to their lowest point this winter, bringing 'life-threatening' conditions.

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

Mid-Michigan schools canceled classes on Tuesday to avoid sending students into frigid weather during the morning commute.

The coldest air that we’ve felt in six years has Michigan in its icy grips today. The cold blast originating in northern ...

With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...

Most of Maryland is under a cold weather advisory through Thursday as temperatures plummet into the single digits in the region in the wake of the weekend snow. The National Weather Service, which ...

Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe winter weather.

BOSTON (AP) — Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low ...