Aggregator

* Affected Area: Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: West to Southwest 10 to 20 mph with gusts up to 35 mph, except 15 to 25 mph with gusts up to 40 MPH on the Waterville Plateau. * Relative Humidities: 10 to 20 percent. * Impacts: Rapid fire spread is likely with any new or existing fires.

* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...Until 10 PM PDT this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

* AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern Columbia River Gorge of Oregon. * TIMING...Until 10 PM PDT this evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...13 to 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

* AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 700 Central Mountains of Oregon and 703 Warm Springs Reservation. * TIMING...Until 10 PM PDT this evening. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 10 PM PDT this evening. * AFFECTED AREA...Fire Weather Zones 697 Central Blue Mountains and 698 Southern Blue Mountains. * TIMING...Until 10 PM PDT this evening. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

* AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern Columbia River Gorge of Oregon. * TIMING...Until 10 PM PDT this evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...13 to 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

* Affected Area: Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: West to Southwest 10 to 20 mph with gusts up to 35 mph, except 15 to 25 mph with gusts up to 40 MPH on the Waterville Plateau. * Relative Humidities: 11 to 20 percent. * Impacts: Rapid fire spread is likely with any new or existing fires.

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 10 PM PDT Friday. The Fire Weather Watch is no longer in effect. * Affected Area: Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: West to Southwest 10 to 20 mph with gusts up to 35 mph, except 15 to 25 mph with gusts up to 40 MPH on the Waterville Plateau. * Relative Humidities: 12 to 20 percent. * Impacts: Rapid fire spread is likely with any new or existing fires.

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM to 10 PM PDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...From 1 PM to 10 PM PDT Friday. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern Columbia River Gorge of Oregon. * TIMING...Until 10 PM PDT Friday. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern Columbia River Gorge of Oregon. * TIMING...Until 10 PM PDT Friday. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 703 Warm Springs Reservation. * TIMING...Until 10 PM PDT Friday. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY... .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. * AFFECTED AREA...Fire Weather Zone 696 John Day Valley. * TIMING...Until 10 PM PDT Friday. * WINDS...West 10 to 15 mph with gusts up to 20 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

* Affected Area: Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: Southwest 10 to 20 mph with gusts up to 35 mph. * Relative Humidities: 12 to 20 percent. * Impacts: Rapid fire spread is possible.

* WHAT...Hot conditions with high temperatures in the 80s to near 90, and low temperatures in the upper 50s to low 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 8 PM PDT this evening. * 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.

A strong gust front will push down the Okanogan Valley tonight through 300 AM with sustained winds of 20 to 30 mph and gusts to between 40 to 50 mph. Strong winds with the front will occur for up to a couple of hours and then remain breezy through the rest of the night. Winds will be capable of breaking small tree limbs, causing isolated power outages, and blowing around unsecured light weight objects.

* WHAT...Hot conditions with high temperatures in the 80s to low 90s, and low temperatures in the upper 50s to low 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 5PM 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.

An increase in onshore flow will help cool temperatures overnight, providing relief to the heat for areas south and west of the Sound.

* 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. * WINDS...West 5 to 15 mph. * RELATIVE HUMIDITY...As low as 15 to 20 percent. * 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 in the 80s to low 90s, and low temperatures in the upper 50s to low 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * 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.