* WHAT...Very warm conditions with highs in the mid to upper 80s.
This will pose a moderate risk of heat-related illness.
* WHERE...Hood Canal Area, Bellevue and Vicinity, Bremerton and
Vicinity, East Puget Sound Lowlands, Everett and Vicinity, Seattle
and Vicinity, Tacoma Area, West Slopes North Cascades and Passes,
West Slopes North Central Cascades and Passes, and West Slopes
South Central Cascades and Passes.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY...
The high pressure driving this ongoing heat wave will begin to
weaken today, but will result in breezy and unstable conditions
through at least Thursday. Even as temperatures cool down slightly
over the coming days, relative humidities will remain very low in
the teens and single digits. This, combined with incoming breezy
conditions through the Cascade Gaps and spreading into the Basin,
will result in critical fire weather conditions.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...Northwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 14 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY...
The high pressure driving this ongoing heat wave will begin to
weaken today, but will result in breezy and unstable conditions
through at least Thursday. Even as temperatures cool down slightly
over the coming days, relative humidities will remain very low in
the teens and single digits. This, combined with incoming breezy
conditions through the Cascade Gaps and spreading into the Basin,
will result in critical fire weather conditions.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 12 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY...
The high pressure driving this ongoing heat wave will begin to
weaken today, but will result in breezy and unstable conditions
through at least Thursday. Even as temperatures cool down slightly
over the coming days, relative humidities will remain very low in
the teens and single digits. This, combined with incoming breezy
conditions through the Cascade Gaps and spreading into the Basin,
will result in critical fire weather conditions.
* AFFECTED AREA...Fire Weather Zones 642 Southern Blue and
Strawberry Mountains, 643 Northern Blue Mountains of Oregon,
644 Central Blue Mountains, 645 Wallowa District, 692 Blue
Mountains of Washington and 693 Southeast Washington Grande
Ronde Valley.
* TIMING...Tuesday afternoon through Wednesday evening.
* WINDS...Northwest 10 to 15 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 100.
* IMPACTS...Any new and existing fires have a strong potential
for extreme fire behavior.
* HAINES...As high as 6.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY...
The high pressure driving this ongoing heat wave will begin to
weaken today, but will result in breezy and unstable conditions
through at least Thursday. Even as temperatures cool down slightly
over the coming days, relative humidities will remain very low in
the teens and single digits. This, combined with incoming breezy
conditions through the Cascade Gaps and spreading into the Basin,
will result in critical fire weather conditions.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 12 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY...
The high pressure driving this ongoing heat wave will begin to
weaken today, but will result in breezy and unstable conditions
through at least Thursday. Even as temperatures cool down slightly
over the coming days, relative humidities will remain very low in
the teens and single digits. This, combined with incoming breezy
conditions through the Cascade Gaps and spreading into the Basin,
will result in critical fire weather conditions.
* AFFECTED AREA...Fire Weather Zones 642 Southern Blue and
Strawberry Mountains, 643 Northern Blue Mountains of Oregon,
644 Central Blue Mountains, 645 Wallowa District, 692 Blue
Mountains of Washington and 693 Southeast Washington Grande
Ronde Valley.
* TIMING...Tuesday afternoon through Wednesday evening.
* WINDS...Northwest 10 to 15 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 100.
* IMPACTS...Any new and existing fires have a strong potential
for extreme fire behavior.
* HAINES...As high as 6.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY...
The high pressure driving this ongoing heat wave will begin to
weaken today, but will result in breezy and unstable conditions
through at least Thursday. Even as temperatures cool down slightly
over the coming days, relative humidities will remain very low in
the teens and single digits. This, combined with incoming breezy
conditions through the Cascade Gaps and spreading into the Basin,
will result in critical fire weather conditions.
* AFFECTED AREA...Fire Weather Zones 639 East Slopes of the
Northern Oregon Cascades and 640 Central Mountains of Oregon.
* TIMING...Through Wednesday night.
* WINDS...Northwest 12 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 100.
* IMPACTS...Any new and existing fires have a strong potential for
extreme fire behavior. Breezy conditions may also lead to rapid
fire spread.
* HAINES...As high as 5.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
high temperatures as high as 100 degrees, highest in lower valleys
and canyons. Overnight low temperatures in the mid 50s to upper
60s, lowest in high valleys.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, and Wallowa County.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat-related illnesses.
* WHAT...Dangerously hot conditions with limited overnight relief.
Afternoon high temperatures could reach as high as 110 degrees.
Overnight low temperatures in the 60s to mid-70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with limited overnight relief.
Afternoon high temperatures could reach as high as 100 degrees.
Overnight low temperatures in the mid-50s to lower 70s.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
high temperatures as high as 100 degrees, highest in lower valleys
and canyons. Overnight low temperatures in the mid 50s to upper
60s, lowest in high valleys.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, and Wallowa County.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat-related illnesses.
* WHAT...Dangerously hot conditions with limited overnight relief.
Afternoon high temperatures could reach as high as 110 degrees.
Overnight low temperatures in the 60s to mid-70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with limited overnight relief.
Afternoon high temperatures could exceed 100 degrees. Overnight
low temperatures in the mid-50s to lower 70s.
* WHERE...Central Oregon and John Day Basin.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
...HOT, DRY, UNSTABLE CONDITIONS ALONG THE EAST SLOPES OF THE
CASCADES TODAY...
...RED FLAG WARNING FOR WIND AND LOW HUMIDITY WEDNESDAY AFTERNOON
AND EVENING IN CENTRAL WASHINGTON...
* Affected Area: Fire Weather Zone 703 Okanogan Valley (Zone
703), Fire Weather Zone 704 Methow Valley (Zone 704), Fire
Weather Zone 705 Foothills of Central Washington Cascades
(Zone 705), Fire Weather Zone 706 Waterville Plateau (Zone
706) and Fire Weather Zone 707 Western Columbia Basin (Zone
707).
* Winds: West 10 to 20 mph with gusts up to 35 mph.
* Relative Humidities: As low as 8 percent.
* Temperatures: Up to 108.
* Impacts: Any new or existing fires will have the potential to
spread rapidly.
...HOT, DRY, UNSTABLE CONDITIONS ALONG THE EAST SLOPES OF THE
CASCADES TODAY...
...RED FLAG WARNING FOR WIND AND LOW HUMIDITY WEDNESDAY AFTERNOON
AND EVENING IN CENTRAL WASHINGTON...
* Affected Area: Fire Weather Zone 696 East Washington Central
Cascades (Zone 696) and Fire Weather Zone 697 East Portion of
North Cascades National Park/Lake Chelan National Recreation
Area (Zone 697).
* Winds: West 10 to 20 mph with gusts up to 30 mph.
* Relative Humidities: 7 to 20 percent in the valleys and 20 to
32 percent over the higher terrain.
* Temperatures: High temperatures 100 to 108 in the valleys, 80s
and 90s in the mountains.
* Impacts: Hot, dry, and unstable conditions through 11 pm
tonight then wind on Wednesday will lead to the potential for
rapid fire growth on any new or existing fires.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
THURSDAY...
High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings. In addition, breezy
winds will develop through the Cascade gaps and into portions of
the Columbia Basin Wednesday and Thursday, and will coincide with
low relative humidities in the afternoon and evening.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...Northwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 14 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
THURSDAY...
High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings. In addition, breezy
winds will develop through the Cascade gaps and into portions of
the Columbia Basin Wednesday and Thursday, and will coincide with
low relative humidities in the afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
THURSDAY...
High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings. In addition, breezy
winds will develop through the Cascade gaps and into portions of
the Columbia Basin Wednesday and Thursday, and will coincide with
low relative humidities in the afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 642 Southern Blue and
Strawberry Mountains, 643 Northern Blue Mountains of Oregon,
644 Central Blue Mountains, 645 Wallowa District, 692 Blue
Mountains of Washington and 693 Southeast Washington Grande
Ronde Valley.
* TIMING...Tuesday afternoon through Wednesday evening.
* WINDS...Northwest 10 to 15 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 100.
* IMPACTS...Any new and existing fires have a strong potential
for extreme fire behavior.
* HAINES...As high as 6.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
THURSDAY...
High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings. In addition, breezy
winds will develop through the Cascade gaps and into portions of
the Columbia Basin Wednesday and Thursday, and will coincide with
low relative humidities in the afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
THURSDAY...
High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings. In addition, breezy
winds will develop through the Cascade gaps and into portions of
the Columbia Basin Wednesday and Thursday, and will coincide with
low relative humidities in the afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 639 East Slopes of the
Northern Oregon Cascades and 640 Central Mountains of Oregon.
* TIMING...Through Wednesday night.
* WINDS...Northwest 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 97.
* IMPACTS...Any new and existing fires have a strong potential
for extreme fire behavior.
* HAINES...As high as 6.