Partly cloudy skies should begin our Tuesday across Western Oregon while mostly cloudy skies will end it. The increasing clouds are ahead of some rain that will fall across parts of the area overnight and early Wednesday. Temperatures will cool as well with the arrival of rain.
The Willamette Valley should remain dry for the majority of our Tuesday. High temperatures will warm into the mid 70s. The earliest raindrops may be seen sometime between 6 and 9pm. The nature of tonight’s rain is spotty and light. By 9 to 11 am Wednesday rain will have ended and dry conditions will prevail. Wednesday’s highs should hit the upper 60s and lower 70. Come Thursday, a few clouds are expected with high temperatures hovering around 70 degrees.
Expect mostly cloudy skies along the Oregon Coast today. Rainfall will develop in the afternoon and continue into Wednesday morning. Today’s high temperatures should range in the upper 60s and lower 70s. Winds will pick up with the arrival of rain, gusting as high as 25 mph or so. Wednesday is looking like a cloudy and wet day. Highs will hover in the upper 60s with off and on showers Thursday will be drying out, but expect a few morning raindrops and temperatures in the mid 60s.
The Umpqua Valley should stay fairly dry. The clouds and rain moving it will have the biggest presence across northern locations. Skies today will start mostly sunny and fill to partly cloudy by the afternoon. Highs today will be in the upper 70s. A few spotty rain showers are possible overnight, but many locations should miss out and manage to stay dry. Lingering rain Wednesday morning will not last long. Temperatures come Wednesday are looking in the mid to lower 70s.
Updated Tuesday morning by meteorologist Travis Knudsen on September 1, 2015.