High pressure is the dominant weather feature influencing our weather currently. Mostly sunny conditions will persist for Father’s Day however bands of clouds are moving through the Pacific Northwest from a strong and deep area of low pressure sitting in the middle of the Pacific. The high will begin moving south and east as the longwave trough continues to brew off to our West. Expect nice & fairly dry weather through Monday as a result. With weak instability present, it is possible an afternoon shower of thundershower does develop Sunday along the Cascades, but expect any development to dissipate as the sun sets. If storms are to develop, they will be very isolated, and could also roll into the Klamath Basin.
The aforementioned deep low will move inland beginning Monday evening. This is going to bring much cooler temperatures back into the viewing area, similar to what we saw this past week. Temperatures are going to drop 5-10 degrees below average once again. The disturbance will bring a chance for showers across the area also, but all rainfall will be light with the best chances remaining along the Coast & in the higher terrain. By Thursday, the system starts to lift and we’ll begin to see conditions improving. Gradual clearing will then continue into the weekend.
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