On Tuesday at 1:05 p.m. the National Weather Service issued an updated winter weather advisory valid for Wednesday between midnight and noon for Lower Columbia River, Tualatin Valley, West Hills and Chehalem Mountains, Inner Portland Metro, East Portland Metro, West Central Willamette Valley, East Central Willamette Valley, Benton County Lowlands, Linn County Lowlands and Lane County Lowlands.

The weather service describes, "Total snow accumulations up to one inch, except up to two inches at the West Hills and Chehalem Mountains."

News Source : https://www.oregonlive.com/weather-alerts/2025/02/winter-weather-advisory-affecting-oregon-wednesday.html