SEATTLE (AP) — Western Washington and Oregon are in for a winter wallop this weekend with strong winds, widespread rain in the lowlands, and significant mountain snow to start off 2021. The National Weather Service said heavy rainfall will increase the threat of landslides in western Washington. A Wind Advisory will be active between 4 p.m. and midnight in the Willamette Valley in Oregon. Gusts could create winds as high as 50 miles per hour, making power outages or downed tree limbs possible. Sustained winds around Puget Sound are expected at 20-30 mph this weekend, with gusts up to 55 mph.