Winter weather advisory for the following locations.
Coast Range of Northwest Oregon-Lower Columbia- Greater Portland Metro Area-Central Willamette Valley- Northern Oregon Cascade Foothills-Northern Oregon Cascades- Willapa Hills-I-5 Corridor in Cowlitz County- Greater Vancouver Area-South Washington Cascade Foothills- Including the cities of Vernonia, Jewell, Sunset Summit, Lees Camp, Trask, St. Helens, Clatskanie, Hillsboro, Portland, Wilsonville, Oregon City, Gresham, Troutdale, Salem, McMinnville, Woodburn, Stayton, Dallas, Sandy, Estacada, Silver Falls State Park, Sweet Home, Government Camp, Detroit, Santiam Pass, Willapa, Frances, Ryderwood, Longview, Kelso, Castle Rock, Vancouver, Battle Ground, Ridgefield, Washougal, Yacolt, Amboy, Toutle, Ariel, Lake Merwin, Yale Lake, and Cougar
WHAT...Snow expected. Freezing rain possible. Snow accumulations of up to 3 inches and ice accumulations of a light glaze. Accumulations should be greatest for elevations above 500 feet, as well as western portions of Washington and Columbia Counties. Winds gusting as high as 40 mph near the Columbia Gorge, especially this morning. * WHERE...Inland portions of northwest Oregon and southwest Washington from the Central Willamette Valley northward. * WHEN...Until 6 PM PST this evening. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Precipitation will likely begin shortly as a spotty mix of very light snow, sleet, or rain. Precipitation should transition to all snow this morning. After that, expect a brief period of sleet this afternoon before precipitation transitions back to rain. Cold air trapped outside of the major metropolitan areas will likely result in icy pockets persisting well into the day today and possibly into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions call 5 1 1, or visit for Oregon: https://www.tripcheck.com and for Washington: https://wsdot.com/travel/real-time/map