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The National Weather Service in Boise has issued a Red Flag Warning for gusty winds and low relative humidities, which is in effect from noon MDT /11 AM PDT/ to 9 PM MDT /8 PM PDT/ Friday. The Fire Weather Watch is no longer in effect. * Affected Area...In Oregon, Fire Weather Zones 636 Burns BLM and 637 Vale BLM. * Timing...From noon MDT /11 AM PDT/ to 9 PM MDT /8 PM PDT/ Friday. * Winds...Southwest 20 to 30 mph with gusts up to 50 mph. * Relative Humidity...As low as 10 percent. * Temperatures...Up to 86.

...BREEZY WINDS AND LOW HUMIDITY FRIDAY... .Winds will increase Friday as a dry cold front passes through the area from the northwest. Very dry air will be present ahead of the frontal passage during the afternoon, with humidities slow to improve behind the front. As a result, this area will be susceptible to rapid fire spread. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 6 PM PDT Friday. * AFFECTED AREA...Fire Weather Zone 693 Southeast Washington Grande Ronde Valley. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 17 percent. * IMPACTS...Rapid fire spread may occur, particularly in dry grassy areas.

...WINDY AND DRY FRIDAY... .A strong cold front will sweep through the region Friday afternoon. Ahead of front, warm and dry conditions will develop across southeastern WA and the lower Idaho Panhandle with gusty southwest winds. Winds will continue to increase with the frontal passage with a shift to more westerly winds in the late afternoon and evening. With the frontal passage, there will be a brief window for light rain showers with little to no rainfall. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 6 PM PDT Friday. * Affected Area: Fire Weather Zone 708 Palouse (Zone 708) and Fire Weather Zone 709 Lower Palouse -Snake River (Zone 709). * Winds: Southwest to west 20 to 30 mph with gusts up 50 mph. * Relative Humidities: 18 to 25 percent in the afternoon increasing 70-80 percent Friday night. * Impacts: Risk of rapidly spreading fires.

* WHAT...Visibility between one-quarter and one mile in blowing dust expected. Sustained southwest to west winds of 15 to 25 mph with gusts 30 to 40 mph. * WHERE...Quincy, Harrington, Fairfield, Othello, Cheney, Wilbur, Airway Heights, Waterville, Moses Lake, Mansfield, Ephrata, Spokane Valley, Downtown Spokane, Creston, Odessa, Rockford, Grand Coulee, Davenport, Badger Mountain Road, Ritzville, and Coulee City. * WHEN...From 2 PM to 7 PM PDT Friday. * IMPACTS...Hazardous driving conditions due to reduced visibility.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. Areas of blowing dust producing visibility between one-quarter and one mile. * WHERE...Nezperce, Oakesdale, Tekoa, Clarkston, Colfax, Pomeroy, Plummer, Uniontown, Lewiston, Pullman, Soldiers Meadow Road, Lapwai, Kamiah, Mountain Road, Genesee, Rosalia, Moscow, Potlatch, Peola, Alpowa Summit, Anatone, La Crosse, Winchester, Peck, Craigmont, Culdesac, Gifford, Lewiston Grade, and Cloverland Road. * WHEN...From 2 PM to 7 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS... If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'.

..GUSTY WINDS WITH POOR RH RECOVERY FOR HIGHER ELEVATIONS OF FIRE ZONES 618 AND 619 OVERNIGHT INTO THIS MORNING... ...STRONG, GUSTY WINDS AND LOW RELATIVE HUMIDITY LIKELY EAST OF THE CASCADES ON FRIDAY... .Strong, gusty west southwest winds combined with low humidity are still likely on Friday east of the Cascades as a dry front moves through. Also gusty winds and low humidity will result in critical conditions for Fire Zones 280, 621, and 622 Friday afternoon into early Friday evening. * IMPACTS...Any fires that develop could spread rapidly. * AFFECTED AREA...In California...Fire weather zone 285. In Oregon... Fire weather zones 624 and 625. This includes eastern portions of the Fremont Winema National Forest. * WIND...West to southwest at 15 to 30 mph with gusts up to 45 mph. * HUMIDITY...Minimum afternoon values of 10 to 20 percent but some localized areas as low as 8 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Temperatures ranging from the upper 20s to the mid 30s will lead to areas of frost. * WHERE...Ephrata, Othello, Creston, Craigmont, Mountain Road, La Crosse, Grand Coulee, Lewiston, Potlatch, Anatone, Moses Lake, Wilbur, Genesee, Moscow, Oakesdale, Harrington, Culdesac, Deer Park, Airway Heights, Lewiston Grade, Winchester, Badger Mountain Road, Cloverland Road, Tekoa, Spokane Valley, Mansfield, Davenport, Nezperce, Rockford, Rosalia, Peck, Kamiah, Uniontown, Cheney, Gifford, Ritzville, Lapwai, Peola, Plummer, Odessa, Pullman, Downtown Spokane, Waterville, Fairfield, Colfax, Soldiers Meadow Road, Coulee City, and Quincy. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

..GUSTY WINDS WITH POOR RH RECOVERY FOR HIGHER ELEVATIONS OF FIRE ZONES 618 AND 619 OVERNIGHT INTO THIS MORNING... ...STRONG, GUSTY WINDS AND LOW RELATIVE HUMIDITY LIKELY EAST OF THE CASCADES ON FRIDAY... .A thermal trough along the coast is bringing offshore northeast winds and low relative humidity to the coast ranges. The strong, gusty winds, combined with poor relative humidity recovery tonight into Thursday morning will result in a higher risk of fire spread should any ignitions occur. Strong, gusty west southwest winds combined with low humidity are also likely on Friday east of the Cascades as a dry front moves through. * IMPACTS...Any fires that develop could spread rapidly. * AFFECTED AREA...In California...Fire weather zone 285. In Oregon... Fire weather zones 624 and 625. This includes eastern portions of the Fremont Winema National Forest. * WIND...West to southwest at 15 to 30 mph with gusts up to 45 mph. * HUMIDITY...Minimum afternoon values of 10 to 20 percent but some localized areas as low as 8 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

..GUSTY WINDS WITH POOR RH RECOVERY FOR HIGHER ELEVATIONS OF FIRE ZONES 618 AND 619 OVERNIGHT INTO THIS MORNING... ...STRONG, GUSTY WINDS AND LOW RELATIVE HUMIDITY LIKELY EAST OF THE CASCADES ON FRIDAY... .A thermal trough along the coast is bringing offshore northeast winds and low relative humidity to the coast ranges. The strong, gusty winds, combined with poor relative humidity recovery tonight into Thursday morning will result in a higher risk of fire spread should any ignitions occur. Strong, gusty west southwest winds combined with low humidity are also likely on Friday east of the Cascades as a dry front moves through. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon...the coast ranges of Fire Weather Zones 618 and 619. * WIND...Northeast 10 to 20 mph with gusts to 35 mph. * HUMIDITY...Recovery only 20 to 30 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 8 PM PDT this evening. * AFFECTED AREA...In Oregon, Fire Weather Zone 686 Northern Oregon Cascade Foothills, Fire Weather Zone 688 Mt. Hood National Forest Region and Fire Weather Zone 689 Northern Willamette National Forest. In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. This includes the southern part of the Gifford-Pinchot, Mount Hood and northern part of the Willamette National Forests. * WINDS...East 10 to 15 mph with gusts 20 to 30 mph. Strongest winds will be around and in the western Columbia River Gorge. * RELATIVE HUMIDITY...15 to 25 percent. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Use extra caution with potential ignition sources, especially in grassy areas. Outdoor burning is not recommended. * ADDITIONAL INFORMATION...Winds will ease tonight, but poor overnight recoveries are expected on the slopes and ridges, with maximum humidity of 35 to 50 percent expected.

The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 8 PM PDT this evening. * AFFECTED AREA...In Oregon, Fire Weather Zone 686 Northern Oregon Cascade Foothills, Fire Weather Zone 688 Mt. Hood National Forest Region and Fire Weather Zone 689 Northern Willamette National Forest. In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. This includes the southern part of the Gifford-Pinchot, Mount Hood and northern part of the Willamette National Forests. * WINDS...East 10 to 15 mph with gusts 20 to 30 mph. Strongest winds will be around and in the western Columbia River Gorge. * RELATIVE HUMIDITY...15 to 25 percent. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Use extra caution with potential ignition sources, especially in grassy areas. Outdoor burning is not recommended. * ADDITIONAL INFORMATION...Winds will ease tonight, but poor overnight recoveries are expected on the slopes and ridges, with maximum humidity of 35 to 50 percent expected.

* WHAT...Southwest winds 25 to 30 mph with gusts up to 50 mph expected. Winds this strong will likely create areas of blowing dust near Summer Lake. * WHERE...Central and Eastern Lake County. This includes sections of highway 140 east of Lakeview and US Highway 395. * WHEN...From 2 PM to 8 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Wind gusts will most likely be around 45 mph with only a few areas reaching the 50 mph mark.

* WHAT...West-Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of southwest Idaho and southeast Oregon. * WHEN...From 3 PM MDT /2 PM PDT/ to 9 PM MDT /8 PM PDT/ Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

..GUSTY WINDS WITH POOR RH RECOVERY FOR HIGHER ELEVATIONS OF FIRE ZONES 618 AND 619 OVERNIGHT INTO THURSDAY MORNING... ...STRONG, GUSTY WINDS AND LOW RELATIVE HUMIDITY LIKELY EAST OF THE CASCADES ON FRIDAY... .A thermal trough along the coast is bringing offshore northeast winds and low relative humidity to the coast ranges. The strong, gusty winds, combined with poor relative humidity recovery tonight into Thursday morning will result in a higher risk of fire spread should any ignitions occur. Strong, gusty west southwest winds combined with low humidity are also likely on Friday east of the Cascades as a dry front moves through. * IMPACTS...Any fires that develop could spread rapidly. * AFFECTED AREA...In California...Fire weather zone 285. In Oregon... Fire weather zones 624 and 625. This includes eastern portions of the Fremont Winema National Forest. * WIND...West to southwest at 15 to 30 mph with gusts up to 45 mph. * HUMIDITY...Minimum afternoon values of 10 to 20 percent but some localized areas as low as 8 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

..GUSTY WINDS WITH POOR RH RECOVERY FOR HIGHER ELEVATIONS OF FIRE ZONES 618 AND 619 OVERNIGHT INTO THURSDAY MORNING... ...STRONG, GUSTY WINDS AND LOW RELATIVE HUMIDITY LIKELY EAST OF THE CASCADES ON FRIDAY... .A thermal trough along the coast is bringing offshore northeast winds and low relative humidity to the coast ranges. The strong, gusty winds, combined with poor relative humidity recovery tonight into Thursday morning will result in a higher risk of fire spread should any ignitions occur. Strong, gusty west southwest winds combined with low humidity are also likely on Friday east of the Cascades as a dry front moves through. The National Weather Service in Medford has issued a Red Flag Warning, which is in effect until 10 AM PDT Thursday. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon...the coast ranges of Fire Weather Zones 618 and 619. * WIND...Northeast 10 to 20 mph with gusts to 35 mph. * HUMIDITY...Recovery only 20 to 30 percent. * DETAILE DURL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Sub-freezing temperatures as low as 28. * WHERE...Grande Ronde Valley. * WHEN...Until 8 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Oregon Department of Environmental Quality has issued an Air Quality Advisory.. until 11 AM PDT Friday. A Smoke Air Quality Advisory has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. For additional information...please visit the Web site at http://www.oregon.gov/DEQ

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Grande Ronde Valley. * WHEN...From 8 PM this evening to 8 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Lapwai, La Crosse, Davenport, Nezperce, Oakesdale, Culdesac, Airway Heights, Othello, Peola, Lewiston, Rockford, Pullman, Uniontown, Downtown Spokane, Deer Park, Badger Mountain Road, Lewiston Grade, Tekoa, Ephrata, Grand Coulee, Winchester, Colfax, Mansfield, Mountain Road, Peck, Rosalia, Moscow, Craigmont, Kamiah, Moses Lake, Plummer, Waterville, Anatone, Cloverland Road, Wilbur, Soldiers Meadow Road, Ritzville, Genesee, Spokane Valley, Creston, Cheney, Fairfield, Odessa, Harrington, Gifford, Quincy, Coulee City, and Potlatch. * WHEN...From 1 AM to 8 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Large waves and hazardous surf conditions. * WHERE...North Coast and Central Coast zones. * WHEN...Until 4 AM PDT Thursday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Localized beach erosion is possible. * ADDITIONAL DETAILS...Seas are expected to peak late this evening and subside into Thursday morning.