Add Yahoo as a preferred source to see more of our stories on Google. This map shows 500 mb height anomalies - a view of the atmosphere about 18,000 feet up where meteorologists track large-scale ...

Add Yahoo as a preferred source to see more of our stories on Google. A snow threat barreling towards Texas sparks warnings from state meteorologists and the National ...

From wind chills near 60 below zero in the Upper Midwest to an ice storm all the way to the Gulf Coast, it is rare that winter weather gets this extreme. The culprit is a polar vortex teaming up a ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...

It was the winter weather nightmare nobody in Texas saw coming, a Lone Star catastrophe of unprecedented power outages and failed water systems and a still-rising death toll of at least two dozen. At ...

A polar vortex will bring arctic air and subzero temperatures to parts of the U.S. through the middle of the month, according to AccuWeather. This first of three likely rounds will impact the U.S.

As a polar vortex sends an arctic blast barreling toward Texas, snow threats continue to climb. While there were low odds early in the week, forecasters now say snowfall is nearly certain in some ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

If you've ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That's where a rare atmospheric phenomenon called sudden ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...