* 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.
* WHAT...Hot conditions with high temperatures in the 80s to low
90s. This will pose a moderate risk of heat-related illness.
* WHERE...Eastern Kitsap County, Middle Chehalis River Valley,
Northern Hood Canal, Southern Hood Canal, Foothills and Valleys of
Thurston and Lewis Counties, Lowlands of Lewis and Southern
Thurston Counties, and Olympia and Southern Puget Sound.
* WHEN...Until 10 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.
The National Weather Service in Spokane has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Friday afternoon through Friday evening.
* 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.
* Relative Humidities: 11 to 19 percent.
* Impacts: Rapid fire spread is possible
...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF
CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON ON
THURSDAY AND FRIDAY...
.Warm, dry, and breezy to windy conditions are expected Thursday
through Friday across portions of central and eastern Oregon
as well as south central Washington, especially through the
Cascade gaps. Strongest winds are expected for 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 Thursday to 10 PM PDT 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...From 1 PM Thursday to 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 ON
THURSDAY AND FRIDAY...
.Warm, dry, and breezy to windy conditions are expected Thursday
through Friday across portions of central and eastern Oregon
as well as south central Washington, especially through the
Cascade gaps. Strongest winds are expected for Friday.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Friday afternoon through Friday evening.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* TIMING...From Friday afternoon through Friday evening.
* 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.
* 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...Northeast 5 to 15 mph, becoming west tonight.
* 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
today. This will pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 10 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.
* WHAT...Temperatures of 95 to 102 degrees expected.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, and Lower Columbia River
and Cowlitz River Valleys.
* WHEN...Until 10 PM PDT this evening.
* 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.
* WINDS...Light becoming west 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* TEMPERATURES...Up to 95.
* IMPACTS...A combination of low relative humidity, unstable
airmass, and warm temperatures can contribute to rapid rates
of spread and down- wind spotting on existing fires. If a fire
were to begin, air quality may diminish in the surrounding
area.
* 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 mid 90s
today. Low temperatures mostly in the low to mid 60s. This will
pose a Moderate risk of heat-related impacts.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 10 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.
* 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 10 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* TEMPERATURES...Up to 95.
* IMPACTS...A combination of low relative humidity, unstable
airmass, and warm temperatures can contribute to rapid rates
of spread and down- wind spotting on existing fires. If a fire
were to begin, air quality may diminish in the surrounding
area.
* 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.
* 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 10 mph.
* RELATIVE HUMIDITY...As low as 33 percent.
* TEMPERATURES...Up to 82.
* IMPACTS...A combination of low relative humidity, unstable
airmass, and warm temperatures can contribute to rapid rates
of spread and down- wind spotting on existing fires. If a fire
were to begin, air quality may diminish in the surrounding
area.
* 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
today and 80s to mid 90s Wednesday. Low temperatures mostly in the
low to mid 60s. This will pose a Moderate risk of heat-related
impacts.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 10 PM PDT Wednesday.
* 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.
The National Weather Service in Seattle has issued a Red Flag
Warning for hot, dry and unstable conditions, which is in effect
from 11 AM to 11 PM PDT Wednesday. The Fire Weather Watch is no
longer in effect.
* 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...Northwest 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* TEMPERATURES...Up to 95.
* IMPACTS...A combination of low relative humidity, unstable
airmass, and warm temperatures can contribute to rapid rates
of spread and down- wind spotting on existing fires. If a fire
were to begin, air quality may diminish in the surrounding
area.
* 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...Temperatures up to 92 to 100 expected.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, and Lower Columbia River
and Cowlitz River Valleys.
* WHEN...Until 10 PM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...The hottest day will be Wednesday, with a
30-60% chance of temperatures reaching 100 degrees Fahrenheit.
Breezy winds, low relative humidities along with dry grasses and
shrubs are resulting in favorable conditions for fire spread
through this evening. The areas of highest concern are within the
Willamette Valley and the Western Columbia River Gorge. The
strongest winds and lowest relative humidities are likely to
occur within the Southern and Central Willamette Valley.
Please limit activities that could result in stray sparks or
fires.
* WHAT...Hot conditions with high temperatures in the 80s to low 90s
today and 80s to mid 90s Wednesday. Low temperatures mostly in the
low to mid 60s. This will pose a Moderate risk of heat-related
impacts.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 10 PM PDT Wednesday.
* 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...Fire Weather Zone 655 Black Hills and
Southwest Interior Lowlands.
* WINDS...North 5 to 15 mph.
* RELATIVE HUMIDITY...As low as 27 percent.
* IMPACTS...A combination of moderate breezes, low relative
humidity, and warm temperatures can contribute to rapid rates
of spread and down-wind spotting on existing fires. If a fire
were to begin, air quality may diminish in the surrounding
area.
* 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...Northwest 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 22 percent.
* IMPACTS...A combination of low relative humidity, unstable
airmass, and warm temperatures can contribute to rapid rates of
spread and down- wind spotting on existing fires. If a fire
were to begin, air quality may diminish in the surrounding area.