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 ...

A rare confluence of two powerful jet streams is creating a highly dynamic atmosphere over the Indian subcontinent, leading ...

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 ...

Snow, tornadoes, record-breaking heat, a dust storm — and that’s just last weekend. Here’s how to understand what’s going on, ...

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.

When Punxsutawney Phil popped up and saw his shadow on Feb. 2, a collective groan rippled across the Eastern United States, where freezing temperatures, ice and snow have cast a big chill for days.