Expires:202507170600;Remove:202507170600;576359 WWUS76 KSEW 170453 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 953 PM PDT Wed Jul 16 2025 WAZ309-317>319-321>323-170600- /O.EXP.KSEW.HT.Y.0002.000000T0000Z-250717T0500Z/ Foothills and Valleys of Thurston and Lewis Counties-Olympia and Southern Puget Sound-Lowlands of Lewis and Southern Thurston Counties-Middle Chehalis River Valley-Southern Hood Canal- Northern Hood Canal-Eastern Kitsap County- Including Elma, Brinnon, Port Ludlow, Skokomish, Morton, Mossyrock, Chehalis, Quilcene, Silverdale, Seabeck, Fords Prairie, Lacey, Bremerton, Montesano, Grand Mound, Holly, Tumwater, Leland, Rochester, Olympia, and McCleary 953 PM PDT Wed Jul 16 2025 ...HEAT ADVISORY WILL EXPIRE AT 10 PM PDT THIS EVENING... An increase in onshore flow will help cool temperatures overnight, providing relief to the heat for areas south and west of the Sound. $$