Updated Saturday 10:00 p.m.
Our Memorial Day Weekend is off and running, and it didn't start out half bad...while we did have quite a soaking along the coast and into the Willapa HIlls Saturday afternoon, most of the interior of the Sound managed to stay dry, even eeking out some occasional sunshine. Highs ranged from the 50s near rainy Hoquiam on up into the middle 60s in Seattle and Bellingham...a bit cooler than average, but not as drastically below the curve as we were earlier in the week.
Some of the showers are starting to rotate into the Sound tonight, so prepare for some wet pavement if you're out and about on the town. Skies will remain mainly cloudy, and lows will fall off into the upper 40s and low 50s.
The rest of the holiday weekend? More of the same. Our current pattern is dominated by a big upper level low parked over the Pacific Northwest. We are on the cool side of the jetstream, with most of the steadier rain driving south of us into Oregon. That low doesn't budge much on Sunday or Monday, so the slightly cool temps and occasional showers will remain in the forecast. Lows will drop into the 40s to low 50s on Memorial Day morning morning, and daytime highs will stay on either side of 60 degrees. Perhaps not the *best* weather for a holiday barbeque or picnic, but for most of us, it won't be soggy enough--long enough--to drive us completely indoors.
By Tuesday a front drops into the region, providing us with increasing clouds and eventual spring rain. HIghs will drop back into the upper 50s to near 60 on Tuesday, and it looks wet for most of Western Washington by the afternoon.
Showers will linger Wednesday, but we should be mainly dry by Thursday. This big low finally moves out of here late in the week, and we'll have a nice warming trend underway by next weekend. Upper 60s to near 70° should be widespread in Puget Sound by Friday and Saturday.
In the meantime, have a happy and safe Memorial Day Weekend!
Meteorologist Shannon O'Donnell
The KOMO4 Forecast Team