The National Weather Service issued a winter weather advisory at 4:35 a.m. on Thursday valid from 7 p.m. until Friday 4 p.m. for Northern Blue Mountains of Oregon.

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,

On Wednesday at 2:48 p.m. the NWS Medford OR issued a winter weather advisory valid from Thursday 4 p.m. until Friday 10 a.m. The advisory is for Central Siskiyou County and Northeast Siskiyou and Northwest Modoc counties as well as Modoc County.

On Thursday at 4:35 a.m. a winter weather advisory was issued by the National Weather Service valid from 7 p.m. until Friday 4 p.m. for Lower Columbia Basin of Oregon.