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SVRBOI The National Weather Service in Boise has issued a * Severe Thunderstorm Warning for... Northwestern Malheur County in southeastern Oregon... * Until 1000 PM PDT. * At 913 PM PDT, a severe thunderstorm was located near Sheep Rock, or 39 miles southeast of John Day, moving east at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Sheep Rock around 1020 PM MDT. Brushy Hollow around 1050 PM MDT.

At 959 PM MDT, Doppler radar was tracking a strong thunderstorm over Board Corral Mountain, or 23 miles southwest of Parma, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Areas of blowing dust reducing visibilities. Minor damage to outdoor objects is possible. This strong thunderstorm will be near... Board Corral Mountain around 1000 PM MDT. Homedale around 1020 PM MDT. Wilder around 1030 PM MDT.

...DRY AND BREEZY WEDNESDAY... .Afternoon Cascade gap winds will develop Wednesday afternoon across central Washington with temperatures in the 80s and 90s and dry conditions. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705), Fire Weather Zone 706 Waterville Plateau (Zone 706) and Fire Weather Zone 707 Western Columbia Basin (Zone 707). * Winds: West 10 to 20 mph with gusts up to 35 mph. * Relative Humidities: 12 to 20 percent. * Impacts: Rapid fire spread is expected with any new or existing fires.

...BREEZY WINDS AND LOW HUMIDITY EXPECTED TODAY... .Winds are expected to remain elevated through the Kittitas Valley today. This, combined with another day of low RHs, will make for increased risks for wildfire spread, especially during the late afternoon and evening hours when winds are expected to peak. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...Until 8 PM PDT this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 17 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

At 954 AM MDT, Doppler radar was tracking a strong thunderstorm near Rockville School, or 31 miles south of Parma, moving north at 30 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Areas of blowing dust possible. Minor damage to outdoor objects is possible. This strong thunderstorm will be near... Succor Creek Campground around 1000 AM MDT. Homedale around 1030 AM MDT.

...RED FLAG WARNING FOR LIGHTNING FOR FIRE WEATHER ZONES 672 AND 673 BELOW 3000 FEET THROUGH THIS AFTERNOON... .Thunderstorms are ongoing this morning and will continue into the afternoon. Storms today should be wetter but unlikely to produce wetting rains in all areas, especially on the edges of storms. * AFFECTED AREA...In Oregon, Fire Weather Zones 672 Southern Grasslands and 673 Central Canyonlands below 3000 feet. * TIMING...Until 6 PM MDT /5 PM PDT/ this evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Scattered. * OUTFLOW WINDS...Up to 40 mph.

...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY... .Afternoon Cascade gap winds will develop Wednesday afternoons across central Washington with hot temperatures in the 80s and 90s and dry conditions. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705), Fire Weather Zone 706 Waterville Plateau (Zone 706) and Fire Weather Zone 707 Western Columbia Basin (Zone 707). * Winds: West 10 to 20 mph with gusts up to 35 mph. * Relative Humidities: 8 to 20 percent. * Impacts: Risk of rapidly spreading fires.

...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY... .Afternoon Cascade gap winds will develop Wednesday afternoons across central Washington with hot temperatures in the 80s and 90s and dry conditions. * Affected Area: Fire Weather Zone 707 Western Columbia Basin (Zone 707). * Winds: Southwest 10 to 15 mph with gusts up to 30 mph. * Relative Humidities: 11 to 19 percent. * Impacts: Risk of rapidly spreading fires.

...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY... .Afternoon Cascade gap winds will develop Wednesday afternoons across central Washington with hot temperatures in the 80s and 90s and dry conditions. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705) and Fire Weather Zone 706 Waterville Plateau (Zone 706). * Winds: West 10 to 20 mph with gusts up to 35 mph * Relative Humidities: 8 to 21 percent. * Impacts: Risk of rapidly spreading fires.

...BREEZY WINDS AND LOW HUMIDITY EXPECTED WEDNESDAY... .Winds are expected to increase again through the Kittitas Valley tomorrow afternoon. This, combined with another day of low RHs, will make for increased risks for wildfire spread, especially during the late afternoon and evening hours when winds are expected to peak. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...Until 8 PM PDT Wednesday. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

At 727 PM MDT/627 PM PDT/, Doppler radar was tracking strong winds associated with a line of thunderstorms extending from near Sumpter to 7 miles northeast of Bully Creek Reservoir to near Malloy Ranch. Movement was east at 30 mph. This line currently extends from southwest Baker County into east-central Malheur County. HAZARD...Wind gusts of 45 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Areas of blowing dust reducing visibilities. Minor damage to outdoor objects is possible. Strong thunderstorms will be near... Vale, Rockville, Malheur Reservoir, and Brogan around 730 PM MDT. Salisbury around 640 PM PDT. Brosman Mountain, Wilder, and Moores Hollow around 740 PM MDT. Farewell Bend State Park and Baker City around 650 PM PDT. Fruitland and Greenleaf around 750 PM MDT. Durkee around 700 PM PDT. Sand Hollow, Notus, and Givens Hot Springs around 800 PM MDT. Flagstaff Hill around 710 PM PDT. Henley Basin, Walters Ferry, and Guffey around 810 PM MDT.

At 329 PM PDT, Doppler radar was tracking a strong thunderstorm 9 miles northeast of Millican, or 22 miles south of Prineville, moving northeast at 25 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Millican and Post.

At 320 PM PDT, Doppler radar was tracking a strong thunderstorm near Brogan Hill Summit, or 36 miles west of Weiser, moving northeast at 20 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Areas of blowing dust reducing visibilities. Minor damage to outdoor objects is possible. This strong thunderstorm will be near... Brogan Hill Summit around 430 PM MDT.

At 319 PM PDT, Doppler radar was tracking a strong thunderstorm over Hampton, or 51 miles southeast of Prineville, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Hampton.

* WHAT...High temperatures between 91 and 101 degrees. * WHERE...Chewelah, Wallace, Boulder Creek Road, Priest River, Colville, Northport, Ione, Fourth Of July Pass, St. Maries, Fairfield, Osburn, Genesee, Dobson Pass, Airway Heights, Kettle Falls, Bonners Ferry, Athol, Rockford, Sherman Pass, Metaline, Potlatch, Pinehurst, Inchelium, Kellogg, Spokane Valley, Fernwood, Metaline Falls, Orin-Rice Road, Sandpoint, Post Falls, Cheney, Downtown Spokane, Deer Park, Plummer, Wauconda, Coeur d'Alene, Eastport, Fruitland, Davenport, Moscow, Clark Fork, Tiger, Mullan, Newport, Hayden, Lookout Pass, Schweitzer Mountain Road, Chesaw Road, Worley, Springdale-Hunters Road, Republic, Highway 20 Wauconda Summit, and Flowery Trail Road. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...High temperatures between 91 and 101 degrees. * WHERE...Disautel Pass, Omak, Oroville, Methow, Stevens Pass, Plain, Nespelem, Tonasket, Leavenworth, Badger Mountain Road, Conconully, Mansfield, Loup Loup Pass, Winthrop, Brewster, Holden Village, Waterville, Bridgeport, Mazama, Twisp, Stehekin, and Okanogan. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Heat index values up to 92. * WHERE...Gifford, Oakesdale, Lewiston Grade, Lapwai, Peck, Tekoa, Odessa, Pullman, Pomeroy, Alpowa Summit, Grand Coulee, La Crosse, Ritzville, Coulee City, Clarkston, Colfax, Culdesac, Harrington, Rosalia, Wilbur, Uniontown, Creston, and Lewiston. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Hot conditions with high temperatures between 95 and 105. * WHERE...Othello, Cashmere, Chelan, Quincy, Pangborn Airport, Entiat, Number 1 Canyon, Number 2 Canyon, Wenatchee, Ephrata, and Moses Lake. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY... .Afternoon Cascade gap winds will develop Tuesday and Wednesday afternoons across central Washington with hot temperatures in the 80s and 90s and dry conditions. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM to 8 PM PDT Wednesday. * Affected Area: Fire Weather Zone 707 Western Columbia Basin (Zone 707). * Winds: Southwest 10 to 15 mph with gusts up to 30 mph. * Relative Humidities: 11 to 19 percent. * Impacts: Risk of rapidly spreading fires.

...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY... .Afternoon Cascade gap winds will develop Tuesday and Wednesday afternoons across central Washington with hot temperatures in the 80s and 90s and dry conditions. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM to 8 PM PDT Wednesday. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705) and Fire Weather Zone 706 Waterville Plateau (Zone 706). * Winds: West 10 to 20 mph with gusts up to 35 mph. * Relative Humidities: 8 to 21 percent. * Impacts: Risk of rapidly spreading fires.