National Weather Service, Willamette Valley

Map shows parts of Oregon are under a winter weather advisory for Wednesday
A map, available on the National Weather Service in Portland website, breaks down these advisories across the region. The Lowlands/Coast and Cascades region remains under a winter weather advisory, while the Oregon Coast Range is under a winter storm warning.
Will it snow in Willamette Valley? Here's the latest forecast for Oregon's winter weather
The combination of cool temperatures and showery weather has meant Willamette Valley snow is possible at lower elevations throughout this week.
Winter Weather Advisory lifted for Willamette Valley; rain and snow showers remain
Just before 6:30 a.m., the National Weather Service in Portland dropped the Winter Weather Advisory for the lower elevations of the Willamette Valley.
Update: Winter weather advisory affecting Oregon Wednesday
On Tuesday at 4:16 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,
Winter weather advisory issued for Western Siskiyou County until Wednesday midday – up to 4 inches of snow
On Wednesday at 1:25 a.m. a winter weather advisory was issued by the NWS Medford OR in effect until noon for Western Siskiyou County.
Winter weather advisory issued for Wednesday as snow threat continues in Portland metro
Slushy and slick conditions possible across the morning hours around Portland and Vancouver. Be sure to give yourself extra time for the commute tomorrow morning.
Update: Winter weather advisory for Oregon until Wednesday midday – up to 3 inches of snow
The National Weather Service issued an updated winter weather advisory at 4:16 p.m. on Tuesday valid from 6 p.m. until Wednesday noon for Clatsop County Coast, Tillamook County Coast, Central Coast of Oregon,
Winter weather advisory issued for South Central Siskiyou County until Wednesday night – up to 5 inches of snow
A winter weather advisory was issued by the NWS Medford OR on Wednesday at 2:21 a.m. valid for Wednesday between 10 a.m. and 10 p.m. for South Central Siskiyou County.
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