Dense fog advisory for Willamette Valley Mon. midday

"Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen," the NWS advised.
Dense fog is set to envelop Treasure Valley for the rest of the week, as an inversion keeps cool air underneath warm air and ...
Dense fog has seeped into the lowlands of Western Washington, producing some freezing fog in areas. Here's what's in store for the first half of the week.
Dense fog and an air stagnation advisory affect Portland and Vancouver areas, causing poor visibility and potential pollution ...
On Wednesday at 4:15 p.m. a dense fog advisory was issued by the NWS San Diego CA. Visibility one quarter mile or less in dense fog at times for Orange County Coastal Areas and San Diego ...