A powerful winter storm is blasting the Northwest with heavy snow and fierce winds, as residents are warned to stay off the roads.

A prolonged atmospheric river event is set to continue delivering moderate to heavy rain across the Pacific Northwest ...

Looking at a simple map of the river's course, it looks like someone ... at the era of glaciation that shaped so much of the Pacific Northwest — and continues to. The Columbia starts here ...

A much wetter stretch is ahead from California to Washington as multiple systems crash into the Pacific Coast. Here’s how ...