The NWS also issued a winter weather advisory for most of the High Desert from 4 p.m. Tuesday to noon Wednesday, predicting 2-4 inches of snow for much of the region and 4-7 inches at higher elevations (La Pine, Sunriver, Camp Sherman).
NewsChannel 21 Chief Meteorologist Bob Shaw said the Arctic blast will keep highs at freezing or just below, with lows in the teens and a chance of snow showers lingering the next few days before a slight warm-up.
Emily Kirk will have the latest Local Alert Weather forecast update at 4 p.m. on KFXO and KTVZ.
PORTLAND, Ore. (AP) - Light snow began falling before the morning commute in the Portland metropolitan area, a preview of the heavier precipitation that's expected during the drive home from work and into the evening.
The National Weather Service says a winter storm warning is in effect from the Portland metro area north into Southwest Washington, with potential snow accumulations of 3 to 8 inches.
Snow is also projected to fall in Salem, Corvallis and other parts of Oregon, with the weather service warning that the Interstate 5 passes between Roseburg and Grants Pass could be treacherous.
Those who must drive are advised to slow down, carry tire chains and wear warm clothes.
Portland Community College canceled classes Tuesday and some school districts did the same.