* WHAT...Hot conditions with temperatures in the mid 80s to mid 90s
expected. This will pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From 8 AM Thursday to 11 PM PDT Friday.
* 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.
* ADDITIONAL DETAILS...Localized areas of Major HeatRisk are
possible in Cascade Valleys.
* WHAT...Hot conditions with temperatures in the 80s to lower 90s
expected. This will pose a moderate risk of heat-related illness.
* WHERE...Central Coast, Eastern Strait of Juan de Fuca, North
Coast, Western Skagit County, Western Strait of Juan De Fuca, and
Western Whatcom County.
* WHEN...From 8 AM to 11 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.
The National Weather Service in Seattle has issued a Red Flag
Warning for hot, dry and unstable conditions, and periods of gusty
winds, which is in effect from 11 PM this evening to 11 PM PDT
Friday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zone 659 West Slopes of the
Central Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 15 to 20 percent.
* TEMPERATURES...Up to 90.
* HAINES...Mid-level Haines 6.
* WINDS...East to southeast 10 to 15 mph with gusts up to 25 mph
early Thursday morning.
* TIMING...Easterly winds will pick up late tonight into early
tomorrow morning, allowing for the relative humidity to drop
quickly. Winds will ease below thresholds Thursday afternoon
while dry and unstable conditions will continue through Friday
afternoon.
* IMPACTS...A combination of a moderate breeze overnight into the
early morning hours on Thursday, as well as 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.
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.
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 Thursday to 11 PM PDT Friday. 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.
* RELATIVE HUMIDITY...As low as 20 to 25 percent.
* TEMPERATURES...Up to 85.
* HAINES...Mid-level Haines 6.
* 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.
The National Weather Service in Seattle has issued a Red Flag
Warning for hot, dry and unstable conditions, which is in effect
from 11 PM this evening to 8 PM PDT Thursday. The Fire Weather
Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zone 652 West Portion of the
Olympic Mountains and Fire Weather Zone 661 East Portion of
the Olympic Mountains.
* RELATIVE HUMIDITY...As low as 20 to 25 percent.
* TEMPERATURES...Up to 87.
* HAINES...Mid-level Haines 6.
* 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 temperatures of 90 to 98 degrees in
the lower elevations and up to 90 degrees in the mountains. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 1 PM Thursday to 9 PM PDT Saturday.
* 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 temperatures of 98 to 102 degrees in
the lower elevations and 90 to 95 in the mountains. This will pose
a moderate to major risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From 1 PM Thursday to 9 PM PDT Saturday.
* 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 Portland has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 11 PM this evening to 11 PM PDT Thursday. The Fire Weather
Watch is no longer in effect.
* AFFECTED AREA...In Washington, Fire Weather Zone 636 Western
Columbia River Gorge in Oregon and Washington.
* WINDS...East 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...20 to 30 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.
The National Weather Service in Portland has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Thursday morning through Thursday evening.
* AFFECTED AREA...In Oregon, Fire Weather Zone 684 primarily for
the Northern Valley and Fire Weather Zone 686 Northern Oregon
Cascade Foothills. In Washington, Fire Weather Zone 633 Clark
County Lowlands and Swift Reservoir Region.
* WINDS...Northeast 5 to 10 mph gust to 20 mph.
* RELATIVE HUMIDITY...20 to 30 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.
* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood
National Forest Region, Fire Weather Zone 689 Northern
Willamette National Forest and Fire Weather Zone 690 Southern
Willamette National Forest. In Washington, Fire Weather Zone
634 Southern Gifford Pinchot National Forest and Fire Weather
Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot
National Forest.
* WINDS...East 10 to 15 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 17 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.
* AFFECTED AREA...Fire weather zone 636, Western Columbia River
Gorge in Oregon and Washington.
* WINDS...East 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...20 to 30 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.
The National Weather Service in Portland has issued a Fire
Weather Watch, which is in effect from this evening through
Thursday afternoon.
* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt Hood
National Forest Region, Fire Weather Zone 689 Northern
Willamette National Forest, and Fire Weather Zone 690 Southern
Willamette National Forest. In Washington, Fire Weather Zone 634
Southern Gifford Pinchot National Forest and Fire Weather Zone
635 Mt. Adams Ranger District of the Gifford-Pinchot National
Forest.
* WINDS...East 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...20 to 30 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.
* WHAT...Hot conditions with temperatures in the mid 80s to mid 90s
expected. This will pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From 8 AM Thursday to 11 PM PDT Friday.
* 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 temperatures in the 80s to lower 90s
expected. This will pose a moderate risk of heat-related illness.
* WHERE...Central Coast, Eastern Strait of Juan de Fuca, North
Coast, Western Skagit County, Western Strait of Juan De Fuca, and
Western Whatcom County.
* WHEN...From 8 AM to 11 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.
* 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.
* RELATIVE HUMIDITY...As low as 15 to 20 percent.
* TEMPERATURES...Up to 88.
* HAINES...Mid-level Haines 6.
* WINDS...Southeast 5 to 10 mph.
* IMPACTS...A combination of a moderate breeze overnight into
the early morning hours on Thursday, as well as 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 652 West Portion of the
Olympic Mountains and Fire Weather Zone 661 East Portion of
the Olympic Mountains.
* RELATIVE HUMIDITY...As low as 25 percent.
* TEMPERATURES...Up to 86.
* HAINES...Mid-level Haines 6.
* 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 94 to 97 expected. Overnight lows in the
mid 50s to mid 60s.
* WHERE...In Oregon, North Oregon Coast Range, North Oregon
Coast Range Lowlands, Upper Hood River Valley, Central Oregon
Coast Range, and Central Oregon Coast Range Lowlands. In
Washington, South Washington Cascade Foothills.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 85 to 90.
* WHAT...Dangerously hot conditions with temperatures around 100
expected. Overnight lows in the upper 50s to near 70, warmest
in urban areas, Columbia River Gorge, and Cascade foothills
and valleys.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 90 to 95.
* WHAT...Dangerously hot temperatures in the mid to upper 90s
expected. Overnight lows in the mid 50s to near 70.
* WHERE...In Oregon, North Oregon Coast Range, North Oregon
Coast Range Lowlands, Upper Hood River Valley, Central Oregon
Coast Range, and Central Oregon Coast Range Lowlands. In
Washington, South Washington Cascade Foothills.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 85 to 90.
* WHAT...Dangerously hot conditions with temperatures around 100
expected. Overnight lows in the upper 50s to near 70, warmest
in urban areas, Columbia River Gorge, and Cascade foothills
and valleys.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 90 to 95.