Dense fog and an air stagnation advisory affect Portland and Vancouver areas, causing poor visibility and potential pollution ...

Portland is under an Air Stagnation Advisory due to calm winds and poor air circulation affecting air quality.

On Saturday at 12:38 p.m. an air stagnation advisory was issued by the National Weather Service in effect until December 06 ...

On Wednesday at 10:55 a.m. the National Weather Service issued an air stagnation advisory valid from 4 p.m. until Monday 4 ...

Saturday is off to a dry and cloudy start while much of the Portland area is under an air stagnation advisory from the National Weather Service through Monday. Saturday will continue to be mostly ...

Our run of dry weather continues Sunday as a ridge of high pressure is parked over the Pacific Northwest keeping all storm ...

The month of November is ending dry, cloudy, and cool across the greater Portland, Vancouver metro area Saturday.

T he first week of December is going to start off with cool temperatures and areas of frost and fog Monday morning. With many ...

Southwest Washington and the Portland area can expect stagnant air through the weekend, according to the National Weather Service in Portland.

Because of the very calm winds expected over the next several days, the National Weather Service has issued an Air Stagnation Advisory in effect through Monday afternoon. As the ridge peaks on ...