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Seattle, Western Washington to see soaking rain this weekend after dry summer

KOMO-TV Seattle logo KOMO-TV Seattle 9/16/2021 Meteorologist Kristin Clark

SEATTLE – The Emerald City has measured a measly 0.13" of rain since early June.

Some South Sound locations have seen even less!

Caption: Seattle, Western Washington to see soaking rain this weekend after dry summer

We'll be making up for lost rain time as a juicy storm by September standards brings a soaking 1-2 inches of rain to all of Western Washington this weekend.

For now, lingering showers over Central Sound will slowly dissipate to a partly cloudy afternoon. Dry weather through Thursday will make for a great window of opportunity to get any last-minute outdoor projects done before Friday's deluge.

Widespread rain arrives throughout the morning hours on Friday. An atmospheric river of moisture looks to set up over the area by afternoon. This thin ribbon of enhanced moisture off the Pacific will be potent, yet short-lived. So a good gully washer we will see for a time Friday evening. Any clogged storm drains and gutters could overflow leading to localize urban street flooding Friday night.

The mountain passes stay warm enough for rain with some parts of the Cascades picking up 3-5 inches of beneficial moisture. Snow will fly above 6,000 FT in elevation so that means our volcanic peaks will finally get a fresh coating of snow after being noticeably barren all summer long.

Gusty wind will develop Friday through Saturday as well. Small tree limbs weakened from the dry summer may be compromised as winds gust to 30 mph.

The wet weather carries on through the weekend. Thunderstorms remain a possibility Saturday and Sunday capable of more locally heavy rain, lightning, and small hail. Good idea to have a plan B for indoor activities this upcoming weekend.


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