Something unsettling is happening in the skies after dark. Meteorologists, climate scientists, and emergency managers are increasingly alarmed by a pattern that doesn't follow the old rulebook: ...

Nearly every type of wild weather hit some part of the United States on Monday as the normal changing seasons clash of cold and warm air collided with a jet stream gone crazy and a possible dash of ...

Add Yahoo as a preferred source to see more of our stories on Google. A split jet stream over the Pacific Ocean will help amplify a ridge of high pressure near the West coast, keeping California warm ...

The Northeast has seen wild temperature swings — from record 80s one day to snow showers the next. Scientists say weather patterns like cold fronts and climate factors help explain it.

A summer-like weather pattern is developing this week across the southwestern U.S. This system is responsible for the ...

After our mid-week temperature drop, there is strong signal for a few additional weather systems to track through the Upper ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...

FARGO — As humans, we love to anthropomorphize things—even the weather: Mother Nature, Old Man Winter. But here’s perhaps a new one for you: ”kissing jets,” and yes, that is an actual atmospheric ...