PORTLAND, Ore — We may have seen a beautiful start to the first weekend of December, but we're going to see some changes overnight. There is an area of low pressure off the northern California coast that will move north late tonight and into Sunday that could bring a wintry mix at times. I'm expecting it to start out as snow showers after sunrise Sunday morning.
Will we see it on the valley floor? There's a chance we could some light accumulation but the higher elevations including the west hills could see up to 1-2" possible. By the afternoon we'll transition into rain showers, with highs in the upper 30s.
Meanwhile areas east of the Cascades will see a general 4-6" with higher amounts possible in the high terrain, and throughout the Columbia Basin. There's also a chance parts of the Gorge could see some freezing rain tomorrow too. Expect slick roads along I 84 a good part of Sunday.
A winter weather advisory will be in effect for the eastside of the Gorge through Sunday night.
We'll see drier conditions Monday with a chance for showers to return by Tuesday of next week.
Joe Raineri
KGW Meteorologist
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