NOAA Current Watches-WA

* WHAT...Dangerously hot conditions with temperatures 99 to 102 degrees expected. This will pose a moderate to locally major risk of heat-related illness. * WHERE...In Oregon, Central Oregon, John Day Basin, Foothills of the Southern Blue Mountains of Oregon, and North Central Oregon. In Washington, Simcoe Highlands. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme Heat Warning 2025-08-11T13:52:00-07:00 2025-08-11T13:52:00-07:00 2025-08-11T13:52:00-07:00 2025-08-12T22:00:00-07:00 Actual Update Met Expected Severe Likely John Day Basin; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Simcoe Highlands SAME 041023 SAME 041031 SAME 041049 SAME 041065 SAME 041069 SAME 041021 SAME 041055 SAME 041013 SAME 041017 SAME 053039 SAME 053077 UGC ORZ505 UGC ORZ508 UGC ORZ510 UGC ORZ511 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 112052 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.XH.W.0001.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6c8e0de337d177f018105571867838a3e21bd36a.002.2,2025-08-09T13:06:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Dangerously hot conditions with temperatures 100 to 103 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. Extreme Heat Warning 2025-08-11T13:52:00-07:00 2025-08-11T13:52:00-07:00 2025-08-11T13:52:00-07:00 2025-08-12T22:00:00-07:00 Actual Update Met Expected Severe Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 112052 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.XH.W.0001.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6c8e0de337d177f018105571867838a3e21bd36a.001.2,2025-08-09T13:06:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Hot conditions with high temperatures in the upper 80s to mid 90s and warm overnight low temperatures in the 60s will result in a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 10 PM 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. Heat Advisory 2025-08-11T13:38:00-07:00 2025-08-11T13:38:00-07:00 2025-08-11T13:38:00-07:00 2025-08-12T02:00:00-07:00 Actual Update Met Expected Moderate Likely 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; 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; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula; Lower Chehalis River Valley SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 SAME 053045 SAME 053027 SAME 053031 SAME 053035 SAME 053009 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 UGC WAZ310 UGC WAZ311 UGC WAZ312 UGC WAZ313 UGC WAZ314 UGC WAZ315 UGC WAZ316 UGC WAZ317 UGC WAZ318 UGC WAZ319 UGC WAZ320 UGC WAZ321 UGC WAZ322 UGC WAZ323 UGC WAZ325 UGC WAZ327 UGC WAZ329 UGC WAZ332 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 112038 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0004.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.683c27c000881ac58efd7a235ab8c8f26c3be921.001.1,2025-08-10T13:27:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0a12ad2b15a8e42c6c9c5ebb82837a31b8b10004.001.1,2025-08-10T02:56:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5017511d37ef8de14e14c876a2879ee2f0b64e60.001.1,2025-08-09T19:43:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a2c804232164ad8c0c124343eb25918d9d2a7efa.001.1,2025-08-09T13:03:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

...BREEZY WINDS WITH LOW RH VALUES THROUGH WEDNESDAY... .An approaching system will result in breezy winds Tuesday and Wednesday as hot and dry conditions persist. Main concerns Tuesday are focused across Central Oregon, extending into Central Washington Wednesday. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Wednesday morning through Wednesday evening. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691 Lower Columbia Basin of Washington, 692 Blue Mountains of Washington, 693 Canyon Grasslands of Wallowa County, 693 Southeast Washington Grande Ronde Valley, 694 Yakama Alpine District and 695 East Washington South Central Cascade Mountains. * TIMING...From Wednesday morning through Wednesday evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Fire Weather Watch 2025-08-11T13:11:00-07:00 2025-08-11T13:11:00-07:00 2025-08-13T11:00:00-07:00 2025-08-12T16:00:00-07:00 Actual Alert Met Future Severe Possible Canyon Grassland of Wallowa County; Kittitas Valley; Lower Columbia Basin; Blue Mountains of Washington; Southeast Washington Grande Ronde Valley; Yakama Alpine District; East Washington South Central Cascade Mountains SAME 041061 SAME 041063 SAME 053007 SAME 053017 SAME 053037 SAME 053077 SAME 053001 SAME 053005 SAME 053013 SAME 053021 SAME 053025 SAME 053039 SAME 053059 SAME 053071 SAME 053075 SAME 053003 SAME 053023 SAME 053041 SAME 053033 UGC ORZ693 UGC WAZ690 UGC WAZ691 UGC WAZ692 UGC WAZ693 UGC WAZ694 UGC WAZ695 AWIPSidentifier RFWPDT WMOidentifier WWUS86 KPDT 112011 NWSheadline FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR693, WA690, WA691, WA692, WA693, WA694, AND WA695 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.FW.A.0009.250813T1800Z-250814T0600Z/ eventEndingTime 2025-08-13T23:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWA

* WHAT...Hot conditions with high temperatures in the upper 80s to mid 90s and low temperatures in the 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 10 PM 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. * ADDITIONAL DETAILS...Heat will peak Monday along the outer coast of Washington and Tuesday for inland areas away from the coast. Heat Advisory 2025-08-11T02:59:00-07:00 2025-08-11T02:59:00-07:00 2025-08-11T02:59:00-07:00 2025-08-11T14:00:00-07:00 Actual Update Met Expected Moderate Likely 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; 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; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula; Lower Chehalis River Valley SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 SAME 053045 SAME 053027 SAME 053031 SAME 053035 SAME 053009 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 UGC WAZ310 UGC WAZ311 UGC WAZ312 UGC WAZ313 UGC WAZ314 UGC WAZ315 UGC WAZ316 UGC WAZ317 UGC WAZ318 UGC WAZ319 UGC WAZ320 UGC WAZ321 UGC WAZ322 UGC WAZ323 UGC WAZ325 UGC WAZ327 UGC WAZ329 UGC WAZ332 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 110959 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0004.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0a12ad2b15a8e42c6c9c5ebb82837a31b8b10004.001.1,2025-08-10T02:56:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5017511d37ef8de14e14c876a2879ee2f0b64e60.001.1,2025-08-09T19:43:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a2c804232164ad8c0c124343eb25918d9d2a7efa.001.1,2025-08-09T13:03:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Dangerously hot conditions with temperatures of 97 to 105 degrees. Overnight temperatures of 63 to 70 degrees. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Foothills of the Northern and Central Oregon Cascades. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme Heat Warning 2025-08-11T01:33:00-07:00 2025-08-11T01:33:00-07:00 2025-08-11T01:33:00-07:00 2025-08-11T16:15:00-07:00 Actual Update Met Expected Severe Likely Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; West Columbia River Gorge of Oregon above 500 ft; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 041027 SAME 053011 SAME 053059 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC ORZ119 UGC ORZ120 UGC ORZ121 UGC ORZ122 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ209 UGC WAZ210 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 110833 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.XH.W.0001.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.175098c737d6df66d4902ba183744f7985d9c960.001.1,2025-08-10T04:12:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.895387aefdcf064fb8e59a5e2a6bbc92e554c320.001.1,2025-08-09T13:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.685dc8da90a5be10c596cc314d2284b026f9bbe2.001.1,2025-08-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.001.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.002.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.001.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Temperatures as high as 93-98 degrees. Overnight temperatures of 60 to 65 degrees. * WHERE...North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-08-11T01:33:00-07:00 2025-08-11T01:33:00-07:00 2025-08-11T01:33:00-07:00 2025-08-11T16:15:00-07:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC WAZ202 UGC WAZ204 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 110833 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.HT.Y.0004.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.175098c737d6df66d4902ba183744f7985d9c960.002.1,2025-08-10T04:12:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.895387aefdcf064fb8e59a5e2a6bbc92e554c320.002.1,2025-08-09T13:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.685dc8da90a5be10c596cc314d2284b026f9bbe2.002.1,2025-08-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.002.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.004.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.003.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Dangerously hot conditions with temperatures of 97 to 102 degrees F. Overnight temperatures of 63 to 70 degrees F. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Foothills of the Northern and Central Oregon Cascades. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Highest temperatures will be on Monday, especially from Corvallis southward. Overnight conditions will begin to cool on Tuesday night into Wednesday. Extreme Heat Warning 2025-08-10T13:48:00-07:00 2025-08-10T13:48:00-07:00 2025-08-10T13:48:00-07:00 2025-08-11T05:00:00-07:00 Actual Update Met Expected Severe Likely Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; West Columbia River Gorge of Oregon above 500 ft; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 041027 SAME 053011 SAME 053059 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC ORZ119 UGC ORZ120 UGC ORZ121 UGC ORZ122 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ209 UGC WAZ210 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 102048 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.XH.W.0001.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.895387aefdcf064fb8e59a5e2a6bbc92e554c320.001.1,2025-08-09T13:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.685dc8da90a5be10c596cc314d2284b026f9bbe2.001.1,2025-08-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.001.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.002.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.001.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Temperatures of 90-98 degrees F. Overnight temperatures of 59 to 65 degrees F. * WHERE...North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Highest overnight temperatures north of Hwy 18 in Oregon. Heat Advisory 2025-08-10T13:48:00-07:00 2025-08-10T13:48:00-07:00 2025-08-10T13:48:00-07:00 2025-08-11T05:00:00-07:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC WAZ202 UGC WAZ204 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 102048 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.HT.Y.0004.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.895387aefdcf064fb8e59a5e2a6bbc92e554c320.002.1,2025-08-09T13:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.685dc8da90a5be10c596cc314d2284b026f9bbe2.002.1,2025-08-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.002.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.004.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.003.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot conditions with high temperatures in the 80s to low 90s expected and low temperatures in the 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 10 PM 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. * ADDITIONAL DETAILS...Heat will peak Monday along the outer coast of Washington and Tuesday for areas away from the coast. Heat Advisory 2025-08-10T13:27:00-07:00 2025-08-10T13:27:00-07:00 2025-08-10T14:00:00-07:00 2025-08-11T05:00:00-07:00 Actual Update Met Expected Moderate Likely 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; 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; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula; Lower Chehalis River Valley SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 SAME 053045 SAME 053027 SAME 053031 SAME 053035 SAME 053009 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 UGC WAZ310 UGC WAZ311 UGC WAZ312 UGC WAZ313 UGC WAZ314 UGC WAZ315 UGC WAZ316 UGC WAZ317 UGC WAZ318 UGC WAZ319 UGC WAZ320 UGC WAZ321 UGC WAZ322 UGC WAZ323 UGC WAZ325 UGC WAZ327 UGC WAZ329 UGC WAZ332 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 102027 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0004.250810T2100Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5017511d37ef8de14e14c876a2879ee2f0b64e60.001.1,2025-08-09T19:43:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a2c804232164ad8c0c124343eb25918d9d2a7efa.001.1,2025-08-09T13:03:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Dangerously hot conditions with temperatures 99 to 102 degrees expected. This will pose a moderate to locally major risk of heat-related illness, especially on Monday. * WHERE...In Oregon, Central Oregon, John Day Basin, Foothills of the Southern Blue Mountains of Oregon, and North Central Oregon. In Washington, Simcoe Highlands. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme Heat Warning 2025-08-10T13:11:00-07:00 2025-08-10T13:11:00-07:00 2025-08-10T13:11:00-07:00 2025-08-11T16:00:00-07:00 Actual Update Met Expected Severe Likely John Day Basin; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Simcoe Highlands SAME 041023 SAME 041031 SAME 041049 SAME 041065 SAME 041069 SAME 041021 SAME 041055 SAME 041013 SAME 041017 SAME 053039 SAME 053077 UGC ORZ505 UGC ORZ508 UGC ORZ510 UGC ORZ511 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 102011 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.XH.W.0001.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Dangerously hot conditions with temperatures 100 to 103 degrees expected, with the hottest conditions Monday and Tuesday. This will pose a moderate to major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. Extreme Heat Warning 2025-08-10T13:11:00-07:00 2025-08-10T13:11:00-07:00 2025-08-10T13:11:00-07:00 2025-08-11T16:00:00-07:00 Actual Update Met Expected Severe Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 102011 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.XH.W.0001.000000T0000Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Hot temperatures. High temperatures 93 to 104 degrees. * WHERE...Quincy, Mansfield, Omak, Twisp, Creston, Tonasket, Conconully, Coulee City, Ritzville, Oroville, Brewster, Moses Lake, Pangborn Airport, Loup Loup Pass, Mazama, Plain, Badger Mountain Road, Disautel Pass, Number 2 Canyon, Wenatchee, Harrington, Waterville, Okanogan, Winthrop, Othello, Odessa, Nespelem, Ephrata, Grand Coulee, Leavenworth, Cashmere, Wilbur, Chelan, Bridgeport, Methow, Number 1 Canyon, and Entiat. * WHEN...Until 8 PM PDT Tuesday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses, especially for those without effective cooling or adequate hydration. Heat Advisory 2025-08-10T13:04:00-07:00 2025-08-10T13:04:00-07:00 2025-08-10T13:04:00-07:00 2025-08-11T14:00:00-07:00 Actual Update Met Expected Moderate Likely Moses Lake Area; Upper Columbia Basin; Wenatchee Area; Okanogan Valley; Waterville Plateau; Central Chelan County; Western Okanogan County SAME 053001 SAME 053025 SAME 053017 SAME 053043 SAME 053047 SAME 053007 UGC WAZ034 UGC WAZ035 UGC WAZ041 UGC WAZ043 UGC WAZ044 UGC WAZ047 UGC WAZ049 AWIPSidentifier NPWOTX WMOidentifier WWUS76 KOTX 102004 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.HT.Y.0005.000000T0000Z-250813T0300Z/ eventEndingTime 2025-08-12T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dfe67ca8d5054d3d4b969c284059a1ba2a2623fc.001.1,2025-08-08T13:07:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot temperatures. High temperatures 92 to 103 degrees. * WHERE...Oakesdale, Moscow, Uniontown, Chewelah, Pomeroy, Newport, Plummer, Airway Heights, Clark Fork, Genesee, Pinehurst, Lewiston Grade, Coeur d'Alene, La Crosse, Tekoa, Rockford, Northport, Fruitland, Sandpoint, Lookout Pass, Orin-Rice Road, Kellogg, Metaline Falls, Colfax, Priest River, Bonners Ferry, Dobson Pass, Clarkston, Pullman, Culdesac, Hayden, Athol, Springdale-Hunters Road, Mullan, Fourth Of July Pass, Worley, Potlatch, Cheney, Wallace, Fairfield, Lewiston, Flowery Trail Road, Peck, Schweitzer Mountain Road, Spokane Valley, Fernwood, Alpowa Summit, Osburn, Kettle Falls, Gifford, Lapwai, Deer Park, Rosalia, Eastport, Metaline, Davenport, Post Falls, Ione, St. Maries, Tiger, Colville, and Downtown Spokane. * WHEN...From noon Monday to 8 PM PDT Tuesday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses, especially for those without effective cooling or adequate hydration. Heat Advisory 2025-08-10T13:04:00-07:00 2025-08-10T13:04:00-07:00 2025-08-11T12:00:00-07:00 2025-08-11T14:00:00-07:00 Actual Update Met Expected Moderate Likely Northern Panhandle; Coeur d'Alene Area; Idaho Palouse; Central Panhandle Mountains; Lewiston Area; Lower Garfield and Asotin Counties; Washington Palouse; Spokane Area; Northeast Mountains SAME 016017 SAME 016021 SAME 016055 SAME 016009 SAME 016057 SAME 016079 SAME 016069 SAME 053003 SAME 053023 SAME 053063 SAME 053075 SAME 053043 SAME 053051 SAME 053065 UGC IDZ001 UGC IDZ002 UGC IDZ003 UGC IDZ004 UGC IDZ026 UGC WAZ032 UGC WAZ033 UGC WAZ036 UGC WAZ037 AWIPSidentifier NPWOTX WMOidentifier WWUS76 KOTX 102004 NWSheadline HEAT ADVISORY REMAINS IN EFFECT FROM NOON MONDAY TO 8 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.HT.Y.0005.250811T1900Z-250813T0300Z/ eventEndingTime 2025-08-12T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dfe67ca8d5054d3d4b969c284059a1ba2a2623fc.002.1,2025-08-08T13:07:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Dangerously hot conditions with temperatures as high as 97 to 105 degrees expected, coupled with mild overnight low temperatures of 64 to 70 degrees. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Foothills of the Northern and Central Oregon Cascades. * WHEN...From noon today to 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme Heat Warning 2025-08-10T04:12:00-07:00 2025-08-10T04:12:00-07:00 2025-08-10T12:00:00-07:00 2025-08-10T16:15:00-07:00 Actual Update Met Expected Severe Likely Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; West Columbia River Gorge of Oregon above 500 ft; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 041027 SAME 053011 SAME 053059 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC ORZ119 UGC ORZ120 UGC ORZ121 UGC ORZ122 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ209 UGC WAZ210 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 101112 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.XH.W.0001.250810T1900Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.685dc8da90a5be10c596cc314d2284b026f9bbe2.001.1,2025-08-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.001.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.002.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.001.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Temperatures as high as 93 to 98 degrees expected, coupled with mild overnight low temperatures of 60 to 67 degrees. * WHERE...North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...From noon today to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-08-10T04:12:00-07:00 2025-08-10T04:12:00-07:00 2025-08-10T12:00:00-07:00 2025-08-10T16:15:00-07:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC WAZ202 UGC WAZ204 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 101112 NWSheadline HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.HT.Y.0004.250810T1900Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.685dc8da90a5be10c596cc314d2284b026f9bbe2.002.1,2025-08-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.002.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.004.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.003.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot conditions with high temperatures in the upper 80s to low 90s and low temperatures in the 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...From 2 PM this afternoon to 10 PM 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. Heat Advisory 2025-08-10T02:56:00-07:00 2025-08-10T02:56:00-07:00 2025-08-10T14:00:00-07:00 2025-08-10T14:00:00-07:00 Actual Update Met Expected Moderate Likely 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; 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; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula; Lower Chehalis River Valley SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 SAME 053045 SAME 053027 SAME 053031 SAME 053035 SAME 053009 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 UGC WAZ310 UGC WAZ311 UGC WAZ312 UGC WAZ313 UGC WAZ314 UGC WAZ315 UGC WAZ316 UGC WAZ317 UGC WAZ318 UGC WAZ319 UGC WAZ320 UGC WAZ321 UGC WAZ322 UGC WAZ323 UGC WAZ325 UGC WAZ327 UGC WAZ329 UGC WAZ332 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 100956 NWSheadline HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0004.250810T2100Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a2c804232164ad8c0c124343eb25918d9d2a7efa.001.1,2025-08-09T13:03:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot conditions with high temperatures in the 90s expected and low temperatures in the 60s. This will pose a moderate heat risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...From 2 PM Sunday to 10 PM 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. Heat Advisory 2025-08-09T19:43:00-07:00 2025-08-09T19:43:00-07:00 2025-08-10T14:00:00-07:00 2025-08-10T04:15:00-07:00 Actual Update Met Expected Moderate Likely 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; 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; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula; Lower Chehalis River Valley SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 SAME 053045 SAME 053027 SAME 053031 SAME 053035 SAME 053009 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 UGC WAZ310 UGC WAZ311 UGC WAZ312 UGC WAZ313 UGC WAZ314 UGC WAZ315 UGC WAZ316 UGC WAZ317 UGC WAZ318 UGC WAZ319 UGC WAZ320 UGC WAZ321 UGC WAZ322 UGC WAZ323 UGC WAZ325 UGC WAZ327 UGC WAZ329 UGC WAZ332 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 100243 NWSheadline HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0004.250810T2100Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Dangerously hot conditions with temperatures as high as 97 to 105 degrees expected, coupled with mild overnight low temperatures of 62 to 70 degrees. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Foothills of the Northern and Central Oregon Cascades. * WHEN...From noon Sunday to 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Extreme Heat Warning 2025-08-09T13:44:00-07:00 2025-08-09T13:44:00-07:00 2025-08-10T12:00:00-07:00 2025-08-10T06:00:00-07:00 Actual Update Met Expected Severe Likely Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; West Columbia River Gorge of Oregon above 500 ft; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 041027 SAME 053011 SAME 053059 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC ORZ119 UGC ORZ120 UGC ORZ121 UGC ORZ122 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ209 UGC WAZ210 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 092044 NWSheadline EXTREME HEAT WARNING NOW IN EFFECT FROM NOON SUNDAY TO 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPQR.XH.W.0001.250810T1900Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.001.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.002.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.001.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Temperatures as high as 93 to 98 degrees expected, coupled with mild overnight low temperatures of 60 to 67 degrees. * WHERE...North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...From noon Sunday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-08-09T13:44:00-07:00 2025-08-09T13:44:00-07:00 2025-08-10T12:00:00-07:00 2025-08-10T06:00:00-07:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC WAZ202 UGC WAZ204 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 092044 NWSheadline HEAT ADVISORY NOW IN EFFECT FROM NOON SUNDAY TO 10 PM PDT TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPQR.HT.Y.0004.250810T1900Z-250813T0500Z/ eventEndingTime 2025-08-12T22:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f48aab8eaa41246aafd02d0faf74ee528a0f52b1.002.1,2025-08-08T18:10:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.004.1,2025-08-08T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.589b75482cda96108e946d236a3eaa6202ff35c7.003.2,2025-08-08T14:01:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY