An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert, issued for all of Chelan County plus
the Methow Valley down to Brewster in Okanogan County will remain
in effect until further notice, due to expected smoke from the
Pioneer Fire and other regional wildfires. Particulate matter
(PM2.5) may reach Unhealthy and Unhealthy for Sensitive Groups
levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
* WHAT...Hot conditions with temperatures 95-105 degrees expected.
This will pose a moderate to locally major risk of heat-related
illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From noon today to 10 PM PDT Sunday.
* 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 95-105 degrees expected.
This will pose a moderate to locally major risk of heat-related
illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From noon today to 10 PM PDT Sunday.
* 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 during the day for the valleys. Highs 95 to
104. Overnight lows will be in the upper 50s to upper 60s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From noon today to 10 PM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
...HOT, DRY, AND BREEZY CONDITIONS CONTINUE THROUGH THE Kittitas
VALLEY...
...CHANCE OF THUNDERSTORMS SOUTHEAST OREGON THIS WEEKEND...
.Breezy winds and low humidity will continue in the Kittitas
Valley this afternoon and evening. Fire weather concerns will
shift to the threat of thunderstorms this weekend, particularly
over southeast Oregon.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 16 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert, issued for all of Chelan county plus
the Methow Valley down to Brewster in Okanogan county on Tuesday
7/9/2024, remains in effect until further notice, due to
expected smoke from the Pioneer fire and other regional wildfires.
Particulate matter (PM2.5) may reach Unhealthy and Unhealthy for
Sensitive Groups levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
...HOT, DRY, AND BREEZY CONDITIONS CONTINUE THROUGH THE CASCADE
GAPS...
Hot and dry conditions are expected to persist for the next
several days, however breezy winds are largely expected to subside
for most of the forecast area, save for the Cascade Gaps. Gusts
are expected to reach 30 to 40 mph across the Kittitas Valley,
where a Red Flag Warning remains in effect. For the rest of the
area, winds may contain a slight breeze, but are largely expected
to remain below critical thresholds.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...Northwest 15 to 20 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 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 Zone 690 Kittitas Valley.
* WINDS...Northwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 16 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 10 to 20 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 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 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...through this evening.
* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 98.
* 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 10 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.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert, issued for all of Chelan county plus
the Methow Valley down to Brewster in Okanogan county on Tuesday
7/9/2024, remains in effect until further notice, due to
expected smoke from the Pioneer fire and other
regional wildfires. Particulate matter (PM2.5) may reach Unhealthy
and Unhealthy for Sensitive Groups levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
...RED FLAG WARNING FOR WIND AND LOW HUMIDITY THIS
AFTERNOON AND EVENING IN CENTRAL WASHINGTON...
* Affected Area: Fire Weather Zone 696 East Washington Central
Cascades (Zone 696), Fire Weather Zone 697 East Portion of
North Cascades National Park/Lake Chelan National Recreation
Area (Zone 697), 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: 7 to 16 percent in the valleys and 16 to
26 percent over the higher terrain.
* Impacts: Any new or existing fires will have the potential to
spread rapidly.
...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), Fire Weather Zone 697 East Portion of
North Cascades National Park/Lake Chelan National Recreation
Area (Zone 697), 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: 8 to 16 percent in the valleys and 16 to
22 percent over the higher terrain.
* Impacts: Any new or existing fires will have the potential to
spread rapidly.
* 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.
* 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.