Winter Weather Advisory issued December 13 at 3:15AM PST until December 14 at 10:00AM 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…Mixed precipitation expected. Total snow accumulations up
to one inch and ice accumulations around a light glaze.

* WHERE…In Oregon, Foothills of the Southern Blue Mountains of
Oregon and North Central Oregon. In Washington, Kittitas Valley,
Simcoe Highlands, and Yakima Valley.

* WHEN…From 4 PM this afternoon to 10 AM PST Saturday.

* IMPACTS…Plan on slippery road conditions. The hazardous
conditions could impact the Friday evening commute.