WWUS76 KPQR 121026 NPWPQR URGENT - WEATHER MESSAGE National Weather Service Portland OR 226 AM PST Fri Dec 12 2025 ORZ109-110-114-115-121800- /O.NEW.KPQR.FG.Y.0018.251212T1026Z-251212T1800Z/ Tualatin Valley-Portland West Hills and Chehalem Mountain-West Central Willamette Valley-East Central Willamette Valley- Including the cities of Hillsboro, Tigard, McMinnville, Newberg, Rockcreek, Woodburn, Molalla, Monmouth, Forest Grove, Stayton, Salem, Sylvan Hill, Silverton, Chehalem Mountain, Keizer, Sherwood, Dallas, Sheridan, Wilsonville, and Skyline Drive 226 AM PST Fri Dec 12 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Willamette Valley, Tualatin Valley, and Portland West Hills and Chehalem Mountain. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Fog will be the most prevalent in rural areas and along water bodies. Light winds through the morning may slow fog dissipation. There is a 30% chance that dense fog will remain through the early afternoon - especially within the Eola Hills and the Tualatin Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ ORZ116>118-121800- /O.NEW.KPQR.FG.Y.0018.251212T1026Z-251212T1800Z/ Benton County Lowlands-Linn County Lowlands-Lane County Lowlands- Including the cities of Lebanon, Albany, Monroe, Brownsville, Cottage Grove, Eugene, Harrisburg, Philomath, Springfield, Creswell, Junction City, and Corvallis 226 AM PST Fri Dec 12 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Fog will be the most prevalent in rural areas and along water bodies. Light winds through the morning may slow fog dissipation. There is a 30% chance that dense fog will remain through the early afternoon - especially in areas within Lane County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions. && $$ For more information from the National Weather Service visit www.weather.gov/portland 27