This forecast was created at 12:30 p.m. on Thursday, March 6, 2025
A round of tranquil spring-like conditions will dominate most of the PNW through the weekend before a wetter and cooler pattern arrives Sunday into early next week. Expect mostly dry weather and mild afternoons into Sunday, then increasing mountain snowfall beginning late Sunday with more consistent accumulations through Wednesday. The major exception is Whistler, who will see wet conditions from Friday into Tuesday. They are far enough north that nearly constant moisture should dump 2-3 feet of snow over this period.
Thursday through Sunday Morning: Sunny and dry weather prevails on Thursday. No new snowfall is expected south of Mt. Baker, and conditions remain mild. From Friday through Sunday morning, high pressure settles in for everything south of Mt Baker, with clear skies, warmer temperatures, and gentle afternoon breezes, making for classic spring skiing on existing snowpack. Meanwhile, up north, Mt. Baker and Whistler will see steady moisture streaming in, bringing heavy snowfall, especially after Saturday morning. This is a polarizing setup with a sharp north-south gradient: classic spring conditions in most Washington and Oregon and hammering snow north of Mt. Baker. The snow at Whistler & Baker will be on the denser side, with SLRs between 8 and 12:1…