A powerful May storm has buried California’s Sierra Nevada under up to four feet of snow, closing major highways and prompting urgent travel warnings. The system is forecast to move east, bringing ...

Weather has always been unpredictable. But what's happening right now feels different, and most atmospheric scientists will ...

A polar vortex split is expected to bring frigid Arctic air and single-digit temperatures to Ohio and the Great Lakes region later this month. The event is a full split of the vortex, which could lock ...