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 The Fire Weather Watch is no
longer in effect.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.
...DRY AND WINDY CONDITIONS EXPECTED ACROSS CENTRAL OREGON ON
THURSDAY...
.An upper level system is expected to pass through the region on
Thursday. This, combined with warm and dry conditions, will have
the potential to create critical fire weather conditions.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Thursday afternoon through Thursday evening.
* AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 698
Southern Blue Mountains and 703 Warm Springs Reservation.
* TIMING...From Thursday afternoon through Thursday evening.
* WINDS...Northwest 10 to 15 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* 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.
* 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.
* WHAT...High temperatures in the 90s to around 100 are expected.
Low temperatures will be mainly in the upper 50s to mid 60s.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills, including the Umpqua Basin. This includes Roseburg,
Camas Valley, Elkton and Tiller.
* WHEN...Until 8 PM PDT Wednesday.
* IMPACTS...An increased chance of heat related illness for those
without access to cooling facilities.
* ADDITIONAL DETAILS...Warm overnight temperatures will limit relief
from hot daytime temperatures.
* WHAT...High temperatures of 96 to 105 expected in the valleys of
western Siskiyou County. Low temperatures will be mainly in the
mid 60s.
* WHERE...In California, Central Siskiyou County and Western
Siskiyou County. In Oregon, Eastern Curry County and Josephine
County and Jackson County. This includes the Rogue, Illinois,
Scott, Shasta and Klamath River Valleys as well as the communities
of Medford, Grants Pass, Ashland, Cave Junction, Yreka, Montague,
and Happy Camp.
* WHEN...Until 8 PM PDT Wednesday.
* IMPACTS...An increased chance of heat related illness for those
without access to cooling facilities.
* ADDITIONAL DETAILS...Warm overnight temperatures will limit relief
from hot daytime temperatures.
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.
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.
* 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...From noon today to 10 PM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...The hottest day will be Wednesday, with a
50-80% chance of temperatures reaching 100 degrees Fahrenheit.
* 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...From noon today to 10 PM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...The hottest day will be Wednesday, with a
50-80% chance of temperatures reaching 100 degrees Fahrenheit.
* WHAT...Northeast winds 15 to 25 mph with gusts up to 40 mph.
* WHERE...Deer Park, Springdale-Hunters Road, Tiger, Newport, Ione,
Kettle Falls, Orin-Rice Road, Metaline, Chewelah, Flowery Trail
Road, Fruitland, Northport, Metaline Falls, and Colville.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...High temperatures of 96 to 105 expected in the valleys of
western Siskiyou County. Low temperatures will be mainly in the
mid 60s.
* WHERE...In California, Central Siskiyou County and Western
Siskiyou County. In Oregon, Eastern Curry County and Josephine
County and Jackson County. This includes the Rogue, Illinois,
Scott, Shasta and Klamath River Valleys as well as the communities
of Medford, Grants Pass, Ashland, Cave Junction, Yreka, Montague,
and Happy Camp.
* WHEN...Until 8 PM PDT Wednesday.
* IMPACTS...An increased chance of heat related illness for those
without access to cooling facilities.
* ADDITIONAL DETAILS...Warm overnight temperatures will limit relief
from hot daytime temperatures.
* WHAT...High temperatures in the 90s to around 100 are expected.
Low temperatures will be mainly in the upper 50s to mid 60s.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills, including the Umpqua Basin. This includes Roseburg,
Camas Valley, Elkton and Tiller.
* WHEN...Until 8 PM PDT Wednesday.
* IMPACTS...An increased chance of heat related illness for those
without access to cooling facilities.
* ADDITIONAL DETAILS...Warm overnight temperatures will limit relief
from hot daytime temperatures.
* 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
illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From noon today to 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.
* WHAT...North winds 15 to 25 mph with gusts 40 to 50 mph expected.
* WHERE...Sherman Pass, Republic, Northport, Ione, Boulder Creek
Road, Metaline Falls, Tiger, Metaline, Highway 20 Wauconda Summit,
Newport, Flowery Trail Road, Springdale-Hunters Road, Kettle
Falls, Orin-Rice Road, Wauconda, Fruitland, Inchelium, Colville,
Chesaw Road, Chewelah, and Deer Park.
* WHEN...Until 11 AM PDT Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* AFFECTED AREA...Fire Weather Zone 655 Black Hills and
Southwest Interior Lowlands.
* WINDS...North 10 to 20 mph.
* RELATIVE HUMIDITY...As low as 26 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...West 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 24 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.