475
WWUS76 KSEW 220353
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
853 PM PDT Thu Aug 21 2025

WAZ305>309-221200-
/O.CON.KSEW.XH.W.0001.250822T1800Z-250826T1200Z/
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-Foothills and Valleys of Thurston and Lewis
Counties-
Including Prairie Ridge, Eastgate, Elk Plain, Maple Valley,
Morton, Sahalee, Pine Lake, Covington-Sawyer-w, Duvall, Monroe,
South Hill, Enumclaw, Mirrormont, North Bend, Sudden Valley,
Mossyrock, Lea Hill, Granite Falls, and Darrington
853 PM PDT Thu Aug 21 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO 5 AM
PDT TUESDAY...

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

* WHERE...Foothills and Valleys of the North Cascades, Foothills and
  Valleys of Central King County, Foothills and Valleys of Pierce
  and Southern King Counties, Foothills and Valleys of Snohomish and
  Northern King Counties, and Foothills and Valleys of Thurston and
  Lewis Counties.

* WHEN...From 11 AM Friday to 5 AM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

&&

$$

WAZ310>323-329-221200-
/O.CON.KSEW.HT.Y.0005.250822T1800Z-250826T1200Z/
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-Olympia and
Southern Puget Sound-Lowlands of Lewis and Southern Thurston
Counties-Middle Chehalis River Valley-Willapa and Black Hills-
Southern Hood Canal-Northern Hood Canal-Eastern Kitsap County-
Foothills of the Western and Southern Olympic Peninsula-
Including Tacoma, Chehalis, McCleary, Lacey, Skokomish, Quinault,
Redmond, Federal Way, Lynnwood, Renton, Humptulips, Clearwater,
Bothell, Seattle, Kenmore, Quilcene, Pe Ell, Richmond Highlands,
Amanda Park, Newport Hills, Forks, Holly, Kent, Grisdale,
Seabeck, Elma, Beaver, Mount Vernon, Brinnon, Everett, Lake
Stevens, Anacortes, Edmonds, Grand Mound, Tumwater, Rochester,
Leland, Olympia, Burlington, Bremerton, Sedro-Woolley, Kirkland,
Mercer Island, Snohomish, Fords Prairie, Marysville, Port Ludlow,
Silverdale, Bellingham, Montesano, and Kingsgate
853 PM PDT Thu Aug 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
TUESDAY...

* WHAT...Hot conditions with high temperatures ranging from the mid
  80s to 90s expected and low temperatures mostly in the 60s. This
  will pose a moderate risk of heat-related illness.

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

* WHEN...From 11 AM Friday to 5 AM PDT Tuesday.

* 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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

&&

$$

WAZ327-221200-
/O.CON.KSEW.HT.Y.0005.250822T1800Z-250826T1200Z/
Lake Crescent Area Including US 101-
853 PM PDT Thu Aug 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
TUESDAY...

* WHAT...Hot conditions with high temperatures ranging from the mid
  80s to 90s expected and low temperatures mostly in the 60s. This
  will pose a moderate risk of heat-related illness.

* WHERE...Lake Crescent Area Including US 101.

* WHEN...From 11 AM Friday to 5 AM PDT Tuesday.

* 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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

&&

$$

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