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,

The combination of cool temperatures and showery weather has meant Willamette Valley snow is possible at lower elevations throughout this week.

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.

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,

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.