123
WWUS76 KSEW 170453
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
953 PM PDT Wed Jul 16 2025

WAZ305>308-310>316-171300-
/O.CAN.KSEW.HT.Y.0002.000000T0000Z-250718T0000Z/
/O.NEW.KSEW.HT.Y.0003.250717T0500Z-250718T0000Z/
Foothills and Valleys of the North Cascades-Foothills and Valleys
of Snohomish and Northern King Counties-Foothills and Valleys of
Central King County-Foothills and Valleys of Pierce and Southern
King Counties-Lowlands of Western Whatcom County-Lowlands of
Western Skagit and Northwestern Snohomish Counties-Downtown
Everett / Marysville Area-Shoreline / Lynnwood / South Everett
Area-Eastside-City of Seattle-Lowlands of Pierce and Southern
King Counties-
Including Marysville, Covington-Sawyer-w, Richmond Highlands,
Everett, Monroe, North Bend, Renton, Mercer Island, Darrington,
Sudden Valley, Snohomish, Kent, Granite Falls, Sahalee, Lynnwood,
Mount Vernon, Mirrormont, Duvall, Redmond, Tacoma, Prairie Ridge,
Bothell, Kenmore, Federal Way, Anacortes, Maple Valley, Enumclaw,
Newport Hills, Kingsgate, Elk Plain, Bellingham, Burlington, Lake
Stevens, Kirkland, South Hill, Pine Lake, Edmonds, Sedro-Woolley,
Lea Hill, Seattle, and Eastgate
953 PM PDT Wed Jul 16 2025

...HEAT ADVISORY IN EFFECT UNTIL 5 PM PDT THURSDAY...

* WHAT...Hot conditions with high temperatures in the 80s to low
  90s, and low temperatures in the upper 50s to low 60s. This will
  pose a moderate risk of heat-related illness.

* WHERE...Portions of northwest and west central Washington.

* WHEN...Until 5PM PDT Thursday.

* IMPACTS...Heat will significantly increase the risk of
  heat-related illnesses for those who are sensitive to heat,
  especially those without effective cooling or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

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.

$$