Snow Accumulations of five to 10 inches are possible in the valleys at 2,000 feet to around 2,500 feet; two to five inches are anticipated at lower elevations along the Columbia River and State Route 395 between Chewelah and Kettle Falls, Washington. In the mountains, snowfall could be from eight to 16 inches.
Snow will increase Thursday morning and become steady through the day. The heaviest snow accumulations are expected Thursday night.
Slick travel conditions are expected Thursday as slushy wet snow accumulates on roads. Roads will likely become snow covered Thursday night into Friday morning with travel conditions becoming treacherous. Backcountry enthusiasts should expect deteriorating conditions by Thursday morning.