A combination of cold air and moisture off the ocean will provide the chance for low elevation snow multiple time next week. But will it stick?

The Cascades will see heavy snowfall with up to a foot of accumulation into Saturday, impacting mountain travel.

Winter weather warnings have been issued in Washington, Colorado, Idaho, California, Utah, Nevada, Oregon, Montana, Wyoming, ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

We’re watching a cool airmass dropping down from Canada that will send waves of showers inland through the middle of next ...

Unless you happen to be a topography expert, it may be difficult to know the exact elevation of your neighborhood. Here's a ...

In the northern Sierra Nevada, snow will fall in feet — not inches. And in the Northern California Coastal Range, a general 5 ...

A seismic survey challenges the long-standing belief that only active volcanoes have large magma bodies sitting beneath them.

It’s time to open up the voting for the next category in The Oregonian’s Readers Choice Awards: the best ski and snowboard ...

Looking at the Cascade Range in the US, geologists found large amounts of magma lurking beneath even long-dormant volcanoes.

The snow level is expected to drop to 1,000 feet on Saturday, then 500 feet after that. The valley floor isn't likely to see ...

Cornell University scientists studying six North American volcanoes within the Cascade Range found something totally unexpected underneath.