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 tornado outbreak has left at least six people dead and caused significant damage as severe weather moved from the South to the Midwest.

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

The United States is experiencing extreme weather conditions ranging from record-breaking heats in the Southwest to Arctic chills in the Midwest and East. Meteorologist Marc Chenard highlights a ...

Winter featured record-shattering warmth in the West and bitter cold in the East. But now, the opposite pattern is set to ...

A drastic weather pattern change is about to induce an acute case of weather whiplash.

The United States is experiencing a variety of extreme weather conditions, including record heat in the Southwest, heavy ...