PILCHUCK RIVER, Snohomish County — With a thunderous roar, the Chinook helicopter emerged above the treetops. Four uprooted ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. -- and this study explains why. Researchers ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

As a trough of cooler air digs into the Pacific Northwest this weekend, snow levels may drop as low as 3,500 feet by Sunday morning. The bulk of moisture this weekend will push south, arriving ...

A new invited commentary by Ke Chen, associate scientist in the Physical Oceanography department at Woods Hole Oceanographic ...

A weather alert through Tuesday morning for northwest Montana, especially area lakes and Glacier National Park. Strong thunderstorms are possible Monday evening followed by rain and mountain snow, wit ...