Dense Fog Advisory
Status
Event Extended (Time) ExpiredStart Time
Fri 10/03/2025 07:08 AM EDTEnd Time
Fri 10/03/2025 02:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Portland, OR ∙ Eugene, OR ∙ Salem, OR ∙ Vancouver, WA ∙ Gresham, OR ∙ Beaverton, OR ∙ Hillsboro, OR ∙ Springfield, OR ∙ Corvallis, OR ∙ Albany, ORFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Portland OR 408 AM PDT Fri Oct 3 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM PDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Technical Header
ORZ108>118-WAZ204>207-031800- /O.EXT.KPQR.FG.Y.0009.000000T0000Z-251003T1800Z/ Lower Columbia River-Tualatin Valley-Portland West Hills and Chehalem Mountain-Inner Portland Metro-East Portland Metro-Outer Southeast Portland Metro-West Central Willamette Valley-East Central Willamette Valley-Benton County Lowlands-Linn County Lowlands-Lane County Lowlands-Cowlitz County Lowlands-North Clark County Lowlands-Inner Vancouver Metro-East Clark County Lowlands- Including the cities of Springfield, Rockcreek, Brownsville, Hockinson, Forest Grove, Albany, Harrisburg, Eugene, Lake Oswego, Kalama, Evergreen, Molalla, Rainier, Sylvan Hill, Battle Ground, Portland, McMinnville, Kelso, Sheridan, Cottage Grove, Oregon City, Keizer, Gresham, Silverton, Troutdale, Castle Rock, Creswell, Camas, Sellwood, Boring, Hillsboro, Newberg, Lebanon, Longview, Skyline Drive, Eagle Creek, Sherwood, Scappoose, Wilsonville, Monroe, Clatskanie, Vancouver, St. Helens, Philomath, Brush Prairie, Fairview, Happy Valley, Woodburn, Estacada, Ridgefield, Junction City, Woodland, Washougal, La Center, Salem, Chehalem Mountain, Sandy, Tigard, Salmon Creek, Monmouth, Stayton, Corvallis, and Dallas 408 AM PDT Fri Oct 3 2025
