Lesser amounts south of downtown and more north into Clark County, the Gorge and the Cascade Foothills.Highs Wednesday with the east wind will only be around freezing in the Portland area.Temperatures should warm above freezing Thursday for a transition to rain.
So we could start seeing some accumulation by the afternoon and evening hours. Rain, with snow above about 1,500 feet are renewed Friday and Saturday.Temperatures likely won't stray much from where we are right now (37 degrees downtown/39 degrees at PDX) for the rest of the day. Right now, it's still pretty difficult to pin down amounts and precipitation types.The most likely scenario at this time appears to be a snow-to-wintry-mix-to-rain evolution across the region.
The snowfall totals are annual averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center. As always we will continue monitoring and we should have a clearer picture later this weekend.OK, here we go. Rain increases later Friday night into Saturday as another weather system comes onshore.Sunday brings a break from the rain with a partly sunny sky and highs around 50-degrees.More valley rain and mountain snow are on tap later Monday and Tuesday. There could be a tenth to a quarter of an inch of ice between Rooster Rock State Park and Multnomah Falls on the west end of the gorge. Right now, it looks like anywhere from a trace to 2 inches for the Portland area. We all catch a breaks with a dry, partly sunny Sunday. PORTLAND, OR (KPTV) - Snow is set to fall on the Portland metro area, likely bringing 1 to 4 inches of snow this weekend. The details will become clearer as we get closer to next week.As a forecaster, it helps to see some consensus, so this increases our confidence we’re in store for a cold snap next week. This is a classic Portland snow set up. There are other pieces of weather data that say we're just simply dry tomorrow morning with black ice concerns, but we wanted to let you know that's a possibility. But it does looks like we could be cold enough for snow by as early as Monday evening. Friday, we take our first steps into the wild of Northwest winter weather. That day looks like a mostly cloudy, blustery, cold day with occasional snow flurries.Wednesday night into Thursday is the time frame we're most closely watching for possible widespread accumulating snow. Expect chilly rain showers in the Portland area today, with snow levels at 1,500 feet or higher.KGW photojournalist Dave Angier traveled across the Coast Range this morning and encountered sticking snow in the community of Timber at about 1,000 feet.Monday evening, the rain showers will turn to snow or a wintry mix. We could get a dusting on the valley floor and accumulation up to 2 inches in the Portland Hills and Cascade Foothills once again. Strong east winds will keep the Portland area cold enough for snow well into Thursday. The snow level will rise to about 4,000 feet. Tuesday brings a continued mix of rain and snow showers, with a few sunbreaks. Travel will become very difficult through the Gorge due to the snow and ice, as well as wind gusts as high as 40 mph. The details of any possible snow accumulations -- when, where and how much -- are still very uncertain. "Plan on slippery road conditions. Accumulations on the valley floor should be less than a half-inch and will melt mid-morning as temperatures warm. Whether it's snow depends on whether freezing temps in the Gorge traps cold air on the east side of the Portland area.Blue is snow, salmon a mix, green is rain. Skip to content . Latest Hayward Field Oregon News from Oregonian (oregonlive.com) in Portland, Oregon. There may be a dusting of snow or up to two inches. Inches of snow may fall throughout the Gorge, with freezing rain in the mix to make road surfaces slick. It's not out of the question to expect anywhere from 2 to 4 inches of snow to fall in the northern Willamette Valley Wednesday afternoon into Thursday.We'll have a better idea on the midweek snow in the next couple of days, so stay tuned. People throughout Northwest Oregon and the Portland metro area will likely see some snow and freezing rain hit the roads this week, according to the National Weather Service in Portland.
The US average is 38 inches of rain per year. So the Monday-afternoon-through-Tuesday time frame is one we’re watching for possible snow.