Wet weather will stay with the Pacific Northwest this weekend before slowly diminishing as we get into next workweek. The jet stream—guiding a lot of moisture—is pointed directly at Oregon. This is the main cause of the wet weather we’ll see. Fortunately, temperatures will not vary much over the next few days.
The Willamette Valley should expect a pretty saturated Saturday. Rain in the morning should be lighter and more broken than the rain in the afternoon. Highs will hit the upper 40s by the afternoon. Skies will remain gray. On Sunday, mostly cloudy skies with additional showers are expected. Starting next week, Monday specifically, showers will start to diminish and drier weather might be seen come Tuesday. Highs this weekend around 50 degrees will cool to around 40 degrees by the middle of next workweek.
The Oregon Coast should be wet and windy for both Saturday and Sunday. Showers will be blowing in from the Pacific with high swells. Temperatures will be around 50 degrees on both days. Rainfall is expected to subtly taper off Sunday night and Monday morning. Drier weather should arrive by Tuesday, but the dry weather is expected to be short lived.
The Umpqua Valley will see rain this weekend as well. Saturday morning will begin with only a few light hit or miss showers. By the afternoon the showers will become more widespread and heavier. Highs will only be in the upper 40s and lower 50s. Sunday’s forecast is much wetter with a few strong gusty winds from the south. Come Monday, wet weather comes to an end. Some sunshine should peek through the clouds as well. Temperatures will be in decline all next week.
Updated Friday evening by meteorologist Travis Knudsen on December 9, 2016.
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