CLEVELAND — Northeast Ohio’s weather this week is a textbook example of how the upper-level jet stream can flip the switch between quick-moving rain showers and prolonged bouts of wintry weather. This ...

Meteorologist say the jet stream is barreling down near-vertical, scream-inducing drops, followed by straight-up ascents.

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 ...

Winter featured record-shattering warmth in the West and bitter cold in the East. But now, the opposite pattern is set to take hold, at least for the near future.

Across the Northern Hemisphere, familiar seasons are starting to feel unfamiliar. Heat waves linger, cold snaps arrive out of sync, and storms stall over the same unlucky regions. At the heart of this ...