Fall officially arrives this weekend and mother nature intends to let us all know about it. A series of early fall storms will plow through the Pacific Northwest this weekend and into next week. Forecast models are in agreement that the first system will arrive Friday evening, with an even stronger system on tap for Sunday. Daytime high temperatures Saturdaythrough Tuesday may drop 15-20 degrees below where they are today (Thursday).
Temperatures could struggle to reach 60 degrees in the Portland metro area this weekend and early next week. It will certainly feel like fall this weekend when compared to the warm weather we have experienced as of late. Each subsequent system will bring increasing rainfall across all of western Oregon and Washington, along with the lowest snowfall levels of the season to the Cascades. Areas above 5,000-6,000 ft will likely see their first snowfall of the season by the beginning of next week. Another system slated for Sunday will bring with it the strongest winds of the season to the coast. Now would be a good time to consider putting away the outdoor summer furniture, as it does not look like we will need it again anytime soon. Rainfall amounts for the first half of September are already at or above month end averages at most locations across NW Oregon and SW Washington. We will certainly be adding more rainfall to the records books over the weekend and into next week.
By Steve PiercePresident, Oregon Chapter of the American Meteorological Society (AMS)
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