The combination of cool temperatures and showery weather has meant Willamette Valley snow is possible at lower elevations ...
Predicating snowfall in the Willamette Valley is extremely difficult because of the interplay of cool Arctic air interacting with warmer and moisture-filled ocean air. Many of Oregon's mountain ...
The ice potential is solely focused to the Willamette Valley and Coast Range. Foothills will start as snow and end as rain, Cascades will remain all snow above 3000-feet. The Oregon Coast and Douglas ...