Sunday, Oct. 17th, 4:15 A.M.
Light to moderate showers are working their way onshore over western Washington and extreme northwest Oregon early on this Sunday. These showers are associated with a slow-moving cold front, which will gradually push into the region today. The key word with this frontal boundary is *slow*. It will take some time for showers to move inland. Expect wet weather throughout the morning along the coast and eventually the Coast Range. Between the late morning and afternoon, locations west of I-5 in the interior valleys will start to see some showers. If you live east of I-5, you may not see showers until the mid to late afternoon. The farther south you’re located, the more rain you’ll see. Locations north of Salem may only pick up a few hundredths of an inch of rain. Having said that, it will be a much cloudier day across the region with metro area highs in the upper 50s and low 60s. Our freezing level will fall to about 5,000 feet this evening, and could be as low as 3,500 feet by Monday morning. Mt. Hood will probably only pick up a few inches of snow in the higher elevations. Pass level snow will be minimal, but several inches will be possible around Santiam Pass and Willamette Pass.
High pressure will bring us a couple of dry, mild days Monday and Tuesday. We’ll probably only make it into the upper 50s Monday, but highs should rebound into the mid 60s Tuesday. Wednesday will turn out to be a showery and cooler day as another cold front slides across the region.
Conditions will go downhill overnight Thursday into Friday as a stronger cold front moves in. Friday looks like it will be a soaker of a day, and we likely have more rain coming by the back half of Saturday.
Hope you have a great rest of your weekend!