Northern California's eastern and western areas are facing starkly different forecasts, with a heat advisory in place for the ...

A stable marine layer will keep clouds on the coast Saturday. While inland, the daily cycle of low clouds in the morning and ...

Night through morning, low clouds and fog will continue for the next several days over the coast and valleys. A warming trend ...

Clouds will increase by Wednesday, slightly cooling temperatures. High pressure will bring warmer, sunny conditions through ...

Excessive Heat Watch for the Kittitas and Yakima Valleys and the Columbia River Gorge from Sunday night to 9 PM Tuesday... Temps could climb up to 105° with additional areas seeing triple digits ...

PORTLAND, Ore. (KOIN) — This year’s weather across the Pacific Northwest was one to remember with funnel clouds, record-breaking heat, and a major ice storm. The Portland, Vancouver area sees ...

Tropical Storm Alvin formed in the the eastern Pacific Ocean on Thursday, May 29, becoming the first named storm anywhere in ...

The humidity, or water vapor, condenses into storm clouds as the heat "rises" higher ... Waters near the Northwest Pacific Coast are much too cool not only for this type of development but to ...