Winter Weather Advisory issued December 13 at 3:15AM PST until December 15 at 7:00AM PST by NWS Pendleton OR

…MIXED WINTRY PRECIPITATION LATE THIS AFTERNOON AND TONIGHT…
…MODERATE TO HEAVY SNOW TONIGHT THROUGH SUNDAY MORNING IN THE
NORTHERN BLUE MOUNTAINS…

.A moist warm front will arrive to the Washington and Oregon
Cascades this afternoon and will spread east of the Cascades
tonight. Precipitation will primarily fall as snow, but there will
also be areas of light freezing rain. The northern Blue Mountains
above 4500 feet will also observe moderate to heavy snow with this
front.

* WHAT…Snow expected for elevations above 4500 feet. Total snow
accumulations 7 to 10 inches. Winds gusting as high as 35 mph will
cause blowing and drifting of snow.

* WHERE…In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.

* WHEN…From 8 PM this evening to 7 AM PST Sunday.

* IMPACTS…Travel could be difficult due to periods of moderate to
heavy snow.