NOAA Current Watches-WA

* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to lower 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-03T14:30:00-07:00 2025-09-03T14:30:00-07:00 2025-09-03T14:30:00-07:00 2025-09-04T05:00:00-07:00 Actual Update Met Expected Moderate Likely West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 SAME 041051 SAME 041027 SAME 053059 UGC ORZ120 UGC ORZ121 UGC ORZ122 UGC WAZ209 UGC WAZ210 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 032130 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.HT.Y.0006.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.25062e54b1f6cb28d6279b52ba2dee30c7ae475c.001.1,2025-09-02T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5efd31eb05037475388581b0b011c86d0d5a3717.001.1,2025-09-02T03:47:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a64b650ed33084548eea55281e9086b555360297.001.1,2025-09-01T14:22:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f2839647d1716215beecf7597f8837403f1e373f.001.1,2025-09-01T03:05:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot conditions with high temperatures ranging from the mid 80s to the lower 90s and low temperatures in the 60s. This will pose a moderate to locally 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...Until 5 PM 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. * ADDITIONAL DETAILS...The hottest temperatures will primarily be focused in the Cascade valleys this afternoon and Thursday, where temperatures in the mid 90s can be expected. The overnight lows will remain very warm and provide little to no relief, especially in locations such as Packwood, Marblemount, and Darrington. Heat Advisory 2025-09-03T14:08:00-07:00 2025-09-03T14:08:00-07:00 2025-09-03T14:08:00-07:00 2025-09-03T22:15:00-07:00 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 SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 032108 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0006.000000T0000Z-250905T0000Z/ eventEndingTime 2025-09-04T17:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f6ddfaccc30d26fa47e8318755a1ae6c72595d9b.001.1,2025-09-02T18:06:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e2af75fd8431106e20dc86aa04313a63ae366820.001.1,2025-09-02T10:49:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1f2c6dc0c8077f988301fc94495399754256ee04.001.1,2025-09-02T04:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7941a9d612fc859a65de5c7a4a7a941f62a3225c.001.1,2025-09-01T20:07:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d434be482c6213ec444b0d1e77a6c0f178a21127.001.1,2025-09-01T12:25:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* Affected Area: East Washington Central Cascades (Zone 696). * Winds: Terrain driven winds around 5 mph, except northwest 10 to 15 mph with gusts to near 20 mph Wednesday night. * Relative Humidities: 10 to 19 percent. Humidity recoveries on midslopes within thermal belts of 25 to 35 percent. * Temperatures: 97 to 102 valleys. 85 to 90 mountains. * Impacts: Hot, dry, unstable conditions will lead to the potential for rapid fire growth on new or existing fires. Red Flag Warning 2025-09-03T13:52:00-07:00 2025-09-03T13:52:00-07:00 2025-09-03T13:52:00-07:00 2025-09-04T07:00:00-07:00 Actual Update Met Expected Severe Likely East Washington Central Cascades SAME 053007 SAME 053037 SAME 053047 UGC WAZ696 AWIPSidentifier RFWOTX WMOidentifier WWUS86 KOTX 032052 NWSheadline RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THURSDAY FOR HOT, DRY, UNSTABLE CONDITIONS FOR FIRE WEATHER ZONE 696 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.FW.W.0016.000000T0000Z-250905T0400Z/ eventEndingTime 2025-09-04T21:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7441e85288dd563e7a3fc02f47feb353094f5ef1.001.2,2025-09-02T14:23:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

* Affected Area: Okanogan Highlands and Kettle Mountains (Zone 699), Selkirk Mountains of Northeast Washington (Zone 700), Foothills of Northeast Washington (Zone 701) and Colville Reservation (Zone 702). * Winds: Terrain driven winds 2 to 5 mph becoming northwest to north overnight 3 to 7 mph. * Relative Humidities: Minimum 10 to 18 percent. Humidity recoveries on midslopes within thermal belts of 25 to 35 percent. * Temperatures: 97 to 103 valleys. 85 to 90 mountains. * Impacts: Hot, dry, unstable conditions will lead to the potential for rapid fire growth on new or existing fires. Red Flag Warning 2025-09-03T13:52:00-07:00 2025-09-03T13:52:00-07:00 2025-09-03T13:52:00-07:00 2025-09-04T07:00:00-07:00 Actual Update Met Expected Severe Likely Okanogan Highlands & Kettle Mountains; Selkirk Mountains of Northeast Washington; Foothills of Northeast Washington; Colville Reservation SAME 053019 SAME 053047 SAME 053065 SAME 053051 SAME 053043 SAME 053063 SAME 053017 SAME 053025 UGC WAZ699 UGC WAZ700 UGC WAZ701 UGC WAZ702 AWIPSidentifier RFWOTX WMOidentifier WWUS86 KOTX 032052 NWSheadline RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THURSDAY FOR HOT, DRY, UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 699, 700, 701, AND 702 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.FW.W.0016.000000T0000Z-250905T0400Z/ eventEndingTime 2025-09-04T21:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

The Washington State Department of Ecology and/or the Yakima Regional Clean Air Agency has issued an Air Quality Alert for Kittitas, Yakima, Klickitat, Benton, Walla Walla, Franklin, and Columbia counties until further notice due to current and expected wildfire smoke from regional wildfires. When air quality is unhealthy, everyone should reduce exposure. Limit time outside, avoid strenuous outdoor activity, and follow tips for cleaner indoor air. Hot temperatures will increase the risk of heat- related illnesses. Drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors. Information about air quality from the Washington Department of Ecology Web site is available at http://www.ecy.wa.gov/air.html or call 360-407-6000.Information about air quality is on the Yakima Regional Clean Air Agency Web site at http://www.yakimacleanair.org or call 509-834-2050. Air Quality Alert 2025-09-03T13:45:00-07:00 2025-09-03T13:45:00-07:00 2025-09-03T13:45:00-07:00 2025-09-05T23:00:00-07:00 Actual Alert Met Unknown Unknown Unknown Benton, WA; Columbia, WA; Franklin, WA; Kittitas, WA; Klickitat, WA; Walla Walla, WA; Yakima, WA SAME 053005 SAME 053013 SAME 053021 SAME 053037 SAME 053039 SAME 053071 SAME 053077 UGC WAC005 UGC WAC013 UGC WAC021 UGC WAC037 UGC WAC039 UGC WAC071 UGC WAC077 AWIPSidentifier AQAPDT WMOidentifier AEUS76 KPDT 032045 NWSheadline AIR QUALITY ALERT IN EFFECT UNTIL 11 PM PDT FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

* WHAT...Dangerously hot conditions with afternoon high temperatures of 95 to 103 degrees expected. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the warning area through Thursday. Extreme Heat Warning 2025-09-03T12:30:00-07:00 2025-09-03T12:30:00-07:00 2025-09-03T12:30:00-07:00 2025-09-04T15:00:00-07:00 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; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041069 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 031930 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.XH.W.0003.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d43a13b1080a6eddc2eafe14f2522953858c359b.001.1,2025-09-02T18:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2d39c1785d212a5f4dd1f87119f2541708a2d6bc.001.1,2025-09-02T13:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.001.2,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* WHAT...Hot conditions with afternoon high temperatures of 95 to 100 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-03T12:30:00-07:00 2025-09-03T12:30:00-07:00 2025-09-03T12:30:00-07:00 2025-09-04T15:00:00-07:00 Actual Update Met Expected Moderate Likely Lower Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053039 SAME 053077 UGC WAZ523 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 031930 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d43a13b1080a6eddc2eafe14f2522953858c359b.005.1,2025-09-02T18:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2d39c1785d212a5f4dd1f87119f2541708a2d6bc.002.1,2025-09-02T13:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.002.1,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot conditions with afternoon high temperatures of 85 to 95 degrees. This will pose a moderate to major risk of heat-related illness. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-03T12:30:00-07:00 2025-09-03T12:30:00-07:00 2025-09-03T12:30:00-07:00 2025-09-04T15:00:00-07:00 Actual Update Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 031930 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d43a13b1080a6eddc2eafe14f2522953858c359b.004.1,2025-09-02T18:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2d39c1785d212a5f4dd1f87119f2541708a2d6bc.002.1,2025-09-02T13:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.002.1,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

An Air Quality Alert has been issued by the following agencies: Washington Department of Ecology Spokane Regional Clean Air Agency An Air Quality Alert has been issued for Stevens, Spokane, Lincoln, Grant, Pend Oreille, Ferry, Chelan, Douglas, Adams, Garfield, Okanogan, Whitman, and Asotin Counties until further notice due to current wildfire smoke from regional wildfires. When air quality is Unhealthy, everyone should reduce exposure. Limit time outside, avoid strenuous outdoor activity, and follow tips for cleaner indoor air. Hot temperatures will increase the risk of heat- related illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Air Quality Alert 2025-09-03T10:32:00-07:00 2025-09-03T10:28:00-07:00 2025-09-03T10:28:00-07:00 2025-09-04T13:00:00-07:00 Actual Alert Met Unknown Unknown Unknown Adams, WA; Asotin, WA; Chelan, WA; Douglas, WA; Ferry, WA; Garfield, WA; Grant, WA; Lincoln, WA; Okanogan, WA; Pend Oreille, WA; Spokane, WA; Stevens, WA; Whitman, WA SAME 053001 SAME 053003 SAME 053007 SAME 053017 SAME 053019 SAME 053023 SAME 053025 SAME 053043 SAME 053047 SAME 053051 SAME 053063 SAME 053065 SAME 053075 UGC WAC001 UGC WAC003 UGC WAC007 UGC WAC017 UGC WAC019 UGC WAC023 UGC WAC025 UGC WAC043 UGC WAC047 UGC WAC051 UGC WAC063 UGC WAC065 UGC WAC075 AWIPSidentifier AQAOTX WMOidentifier AEUS76 KOTX 031732 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 25 percent. * TEMPERATURES...Up to 90 degrees. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area. Red Flag Warning 2025-09-03T03:55:00-07:00 2025-09-03T03:55:00-07:00 2025-09-03T12:00:00-07:00 2025-09-03T15:00:00-07:00 Actual Update Met Expected Severe Likely West Slopes of the North Cascades Generally above 1500 Feet; West Slopes of the Central Cascades Generally above 1500 Feet SAME 053007 SAME 053033 SAME 053057 SAME 053061 SAME 053073 SAME 053015 SAME 053041 SAME 053053 SAME 053059 SAME 053067 UGC WAZ658 UGC WAZ659 AWIPSidentifier RFWSEW WMOidentifier WWUS86 KSEW 031055 NWSheadline RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS EVENING FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 658 AND 659 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.FW.W.0004.250903T1900Z-250904T0400Z/ eventEndingTime 2025-09-03T21:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.eb17679984ddd540019f7f88ccd0ab499e728a87.001.2,2025-09-02T13:49:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

* WHAT...Hot conditions with high temperatures ranging from the mid 80s to the lower 90s and low temperatures in the 60s. This will pose a moderate to locally 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...Until 5 PM 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. Heat Advisory 2025-09-03T03:53:00-07:00 2025-09-03T03:53:00-07:00 2025-09-03T03:53:00-07:00 2025-09-03T16:00:00-07:00 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 SAME 053073 SAME 053057 SAME 053061 SAME 053033 SAME 053053 SAME 053067 SAME 053041 UGC WAZ305 UGC WAZ306 UGC WAZ307 UGC WAZ308 UGC WAZ309 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 031053 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.HT.Y.0006.000000T0000Z-250905T0000Z/ eventEndingTime 2025-09-04T17:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e2af75fd8431106e20dc86aa04313a63ae366820.001.1,2025-09-02T10:49:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1f2c6dc0c8077f988301fc94495399754256ee04.001.1,2025-09-02T04:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7941a9d612fc859a65de5c7a4a7a941f62a3225c.001.1,2025-09-01T20:07:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d434be482c6213ec444b0d1e77a6c0f178a21127.001.1,2025-09-01T12:25:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* AFFECTED AREA...In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford Pinchot National Forest. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity over ongoing fires. Relative humidities as low as 20%. Temperatures up to 90 to 95 degrees. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. High instability may result in fire growth. Red Flag Warning 2025-09-03T03:20:00-07:00 2025-09-03T03:20:00-07:00 2025-09-03T12:00:00-07:00 2025-09-03T21:00:00-07:00 Actual Update Met Expected Severe Likely Southern Gifford Pinchot National Forest; Mt. Adams Ranger District of the Gifford-Pinchot National Forest SAME 053011 SAME 053015 SAME 053059 SAME 053077 SAME 053039 UGC WAZ634 UGC WAZ635 AWIPSidentifier RFWPQR WMOidentifier WWUS86 KPQR 031020 NWSheadline RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS EVENING FOR DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 634 AND 635 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.FW.W.0006.250903T1900Z-250904T0400Z/ eventEndingTime 2025-09-03T21:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to lower 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-03T03:15:00-07:00 2025-09-03T03:15:00-07:00 2025-09-03T03:15:00-07:00 2025-09-03T17:00:00-07:00 Actual Update Met Expected Moderate Likely West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14 SAME 041051 SAME 041027 SAME 053059 UGC ORZ120 UGC ORZ121 UGC ORZ122 UGC WAZ209 UGC WAZ210 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 031015 NWSheadline HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPQR.HT.Y.0006.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5efd31eb05037475388581b0b011c86d0d5a3717.001.1,2025-09-02T03:47:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a64b650ed33084548eea55281e9086b555360297.001.1,2025-09-01T14:22:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f2839647d1716215beecf7597f8837403f1e373f.001.1,2025-09-01T03:05:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* Affected Area: East Washington Central Cascades (Zone 696). * Winds: Terrain driven winds 3 to 6 mph becoming northwest 5 to 10 mph overnight. * Relative Humidities: 12 to 19 percent. Humidity recoveries on midslopes within thermal belts of 25 to 35 percent. * Temperatures: 97 to 102 valleys. 85 to 90 mountains. * Impacts: Hot, dry, unstable conditions will lead to the potential for rapid fire growth on new or existing fires. Red Flag Warning 2025-09-02T20:32:00-07:00 2025-09-02T20:32:00-07:00 2025-09-02T20:32:00-07:00 2025-09-03T17:00:00-07:00 Actual Update Met Expected Severe Likely East Washington Central Cascades SAME 053007 SAME 053037 SAME 053047 UGC WAZ696 AWIPSidentifier RFWOTX WMOidentifier WWUS86 KOTX 030332 NWSheadline RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THURSDAY FOR UNSTABLE THERMAL TROUGH FOR FIRE WEATHER ZONE 696 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.FW.W.0016.000000T0000Z-250905T0400Z/ eventEndingTime 2025-09-04T21:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

The National Weather Service in Spokane has issued a Red Flag Warning for unstable thermal trough, which is in effect from noon Wednesday to 9 PM PDT Thursday. * Affected Area: Okanogan Highlands and Kettle Mountains (Zone 699), Selkirk Mountains of Northeast Washington (Zone 700), Foothills of Northeast Washington (Zone 701) and Colville Reservation (Zone 702). * Winds: Terrain driven winds 2 to 5 mph becoming northwest to north overnight 3 to 7 mph. * Relative Humidities: Minimum 10 to 18 percent. Humidity recoveries on midslopes within thermal belts of 25 to 35 percent. * Temperatures: 97 to 103 valleys. 85 to 90 mountains. * Impacts: Hot, dry, unstable conditions will lead to the potential for rapid fire growth on new or existing fires. Red Flag Warning 2025-09-02T20:32:00-07:00 2025-09-02T20:32:00-07:00 2025-09-03T12:00:00-07:00 2025-09-03T17:00:00-07:00 Actual Alert Met Expected Severe Likely Okanogan Highlands & Kettle Mountains; Selkirk Mountains of Northeast Washington; Foothills of Northeast Washington; Colville Reservation SAME 053019 SAME 053047 SAME 053065 SAME 053051 SAME 053043 SAME 053063 SAME 053017 SAME 053025 UGC WAZ699 UGC WAZ700 UGC WAZ701 UGC WAZ702 AWIPSidentifier RFWOTX WMOidentifier WWUS86 KOTX 030332 NWSheadline RED FLAG WARNING IN EFFECT FROM NOON WEDNESDAY TO 9 PM PDT THURSDAY FOR HOT, DRY, UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 699, 700, 701, AND 702 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXB.KOTX.FW.W.0016.250903T1900Z-250905T0400Z/ eventEndingTime 2025-09-04T21:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

* WHAT...Hot conditions with afternoon high temperatures of 95 to 100 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-02T19:49:00-07:00 2025-09-02T19:49:00-07:00 2025-09-02T19:49:00-07:00 2025-09-03T16:15:00-07:00 Actual Update Met Expected Moderate Likely Lower Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053039 SAME 053077 UGC WAZ523 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 030249 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.002.1,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Hot conditions with afternoon high temperatures of 85 to 95 degrees. This will pose a moderate to major risk of heat-related illness. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-02T19:49:00-07:00 2025-09-02T19:49:00-07:00 2025-09-02T19:49:00-07:00 2025-09-03T16:15:00-07:00 Actual Update Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 030249 NWSheadline HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.002.1,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY

* WHAT...Dangerously hot conditions with afternoon high temperatures of 95 to 103 degrees expected. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the warning area through Thursday. Extreme Heat Warning 2025-09-02T19:49:00-07:00 2025-09-02T19:49:00-07:00 2025-09-02T19:49:00-07:00 2025-09-03T16:15:00-07:00 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; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041069 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 030249 NWSheadline EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.XH.W.0003.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.001.2,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService XHW

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 90. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area. Red Flag Warning 2025-09-02T19:41:00-07:00 2025-09-02T19:41:00-07:00 2025-09-03T12:00:00-07:00 2025-09-03T05:00:00-07:00 Actual Update Met Expected Severe Likely West Slopes of the North Cascades Generally above 1500 Feet; West Slopes of the Central Cascades Generally above 1500 Feet SAME 053007 SAME 053033 SAME 053057 SAME 053061 SAME 053073 SAME 053015 SAME 053041 SAME 053053 SAME 053059 SAME 053067 UGC WAZ658 UGC WAZ659 AWIPSidentifier RFWSEW WMOidentifier WWUS86 KSEW 030241 NWSheadline RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM PDT WEDNESDAY FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 658 AND 659 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.FW.W.0004.250903T1900Z-250904T0400Z/ eventEndingTime 2025-09-03T21:00:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService FWW

* WHAT...Hot conditions with afternoon high temperatures of 85 to 95 degrees. This will pose a moderate to major risk of heat-related illness. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Heat Advisory 2025-09-02T18:21:00-07:00 2025-09-02T18:21:00-07:00 2025-09-02T18:21:00-07:00 2025-09-03T02:30:00-07:00 Actual Update Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 030121 NWSheadline HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/ eventEndingTime 2025-09-04T20:00:00-07:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3835442379131c5cfa999a6496f35986095cd71e.002.1,2025-09-01T12:02:00-07:00 Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService HTY