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Puget Sound weather heating up for Seafair weekend; troublesome thunderstorms coming soon

KOMO-TV Seattle logo KOMO-TV Seattle 8/5/2022 Kristin Clark, KOMO News Meteorologist
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We've been monitoring active wildfires in eastern Washington. The Vantage Highway Fire east of Ellensburg has burned over 26,000 acres. The Cow Canyon north of Naches and the Williams Lake southwest of Spokane sprung up on Wednesday. And a fire near the town of Lind has burned 10 homes. 

Caption: KOMO News

Luckily, fire crews have managed to mitigate fire growth with minimal smoke impacts.

Puget Sound Radar

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The recent cool-down has helped reduce the overall fire danger statewide. But summer heat is back for a brief time this weekend. High temperatures will be near 90 degrees in Puget Sound Sunday, with triple-digit heat baking the Columbia Basin by Monday. 

This spell of hot, dry weather into early next week will surely increase the wildfire potential. What's worrisome is that thunderstorms could erupt on Wednesday, primarily over the mountains, with the looming threat of more lightning-induced wildfires.

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For now, we enjoy a sun-filled Friday with seasonable conditions. Temperatures get an extra boost starting Saturday as warm high pressure settles over the Pacific Northwest and flips the flow offshore, warming the air into the 80s as the wind descends the Cascade Mountains.

Sunday and Monday will be hot days, reaching 90 degrees from Seattle south to Kelso. Those taking in the Seafair sights and sounds will need to be prepared for the hot weather. 

Eastern WA Radar

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Our neighbors in Portland may even reach the century mark on Sunday afternoon.

The heat doesn't last long. Temperatures start to tumble on Tuesday as cooling showers and potential thunderstorms develop into Wednesday.

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