On Thursday at 9:16 p.m. the National Weather Service issued a cold weather advisory in effect until Friday at 8 a.m. for North Oregon Coast Range, Central Oregon Coast Range, Tualatin Valley, West Hills and Chehalem Mountains,

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

More than half the country was under winter weather-related warnings from the National Weather Service (NWS) Wednesday morning, with forecasters anticipating up to 22 inches of snow in some areas. Snow can disrupt travel and create dangerous driving conditions,