Active Weather Alerts
Dense Fog Advisory
Issued: 7:56 AM Nov. 22, 2025 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST SATURDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Portland West Hills and Chehalem Mountain, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...Until 11 AM PST Saturday. * 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. &&
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