NOAA Current Watches-WA

* 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.

* 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.

* 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.

* 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.

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.

* 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.

* 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.

* 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.

* 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.

* 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.

* WHAT...Hot temperatures. High temperatures 93 to 103 degrees. Limited overnight relief with low temperatures 58 to 65 degrees. * WHERE...Lookout Pass, Kellogg, St. Maries, Metaline Falls, Dobson Pass, Fourth Of July Pass, Wallace, Uniontown, Newport, Springdale-Hunters Road, Metaline, Leavenworth, Potlatch, Moscow, Sherman Pass, Mullan, Soldiers Meadow Road, Tekoa, Pullman, Republic, Ione, Schweitzer Mountain Road, Loup Loup Pass, Osburn, Chewelah, Rosalia, Fruitland, Athol, Kamiah, Methow, Clark Fork, La Crosse, Flowery Trail Road, Inchelium, Winthrop, Genesee, Plummer, Conconully, Tiger, Fernwood, Northport, Pinehurst, Colfax, Twisp, Kettle Falls, Oakesdale, Deer Park, Mazama, Winchester, Priest River, Craigmont, Nezperce, Orin-Rice Road, Highway 20 Wauconda Summit, Plain, Chesaw Road, Colville, Boulder Creek Road, Wauconda, Sandpoint, Bonners Ferry, and Eastport. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Dangerously hot conditions with high temperatures of 95 to 105 degrees. * WHERE...Moses Lake, Disautel Pass, Nespelem, Quincy, Oroville, Cashmere, Pangborn Airport, Othello, Chelan, Brewster, Entiat, Okanogan, Wenatchee, Tonasket, Ephrata, Bridgeport, Number 1 Canyon, Omak, and Number 2 Canyon. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Hot temperatures. High temperatures 95 to 103 degrees. Limited overnight relief with low temperatures 60 to 70 degrees. * WHERE...Spokane Valley, Cheney, Odessa, Post Falls, Creston, Rockford, Hayden, Coulee City, Wilbur, Airway Heights, Badger Mountain Road, Downtown Spokane, Coeur d'Alene, Grand Coulee, Mansfield, Worley, Harrington, Waterville, Fairfield, Ritzville, and Davenport. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Dangerously hot conditions with high temperatures of 96 to 106 degrees. * WHERE...Culdesac, Peck, Gifford, Clarkston, Lewiston Grade, Pomeroy, Alpowa Summit, Lewiston, and Lapwai. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Hot temperatures. High temperatures 93 to 100 degrees. Limited overnight relief with low temperatures 58 to 65 degrees. * WHERE...Mountain Road, Stevens Pass, Cloverland Road, Holden Village, Stehekin, Peola, and Anatone. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Hot conditions with high temperatures ranging from the upper 80s to the mid 90s and low temperatures in the 60s and lower 70s. 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 on Wednesday 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.

* Affected Area: East Washington Central Cascades (Zone 696). * Winds: Terrain driven 2 to 5 mph becoming northwest 5 to 10 mph in the evening. * Relative Humidities: Minimum 13 to 19 percent. Humidity recoveries on midslopes within thermal belts of 25 to 35 percent. * Temperatures: 85 to 100 degrees. * Impacts: Hot, dry, unstable conditions will lead to the potential for rapid fire growth on new or existing fires.

The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms, which is in effect from noon to 9 PM PDT Wednesday. The Fire Weather Watch is no longer in effect. * 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. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. High instability may result in fire growth.

The National Weather Service in Seattle has upgraded the Fire Weather Watch to a Red Flag Warning for hot, dry and unstable conditions, which is in effect from noon to 9 PM PDT Wednesday. * 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.

* WHAT...Hot conditions with temperatures up to 97 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...In Oregon, Central Oregon, John Day Basin, Grande Ronde Valley, and Northern Blue Mountains of Oregon. In Washington, Lower Slopes of the Eastern Washington Cascades Crest and Northwest Blue Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.