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 ...

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 ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air across half of the United States while the other half warms up. Texas will ...

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.

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...

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 ...

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 ...