Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
1102 AM PDT Tue Aug 11 2026
A weather system will move through the area on Wednesday, bringing
scattered showers and thunderstorms to the region. These
thunderstorms will mainly be focused along the eastern slopes of
the Cascades and along the International Border. Lightning strikes
will have the potential to start new wildfires, and gusty and
erratic outflow winds could cause dangerous conditions around new
and existing wildfires.
IDZ101-WAZ696>706-120700-
/O.NEW.KOTX.FW.W.0018.260812T1800Z-260813T0600Z/
Northern and Central Idaho Panhandle (Zone 101)-
East Washington Central Cascades (Zone 696)-
East Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697)-
East Washington North Cascades (Zone 698)-
Okanogan Highlands and Kettle Mountains (Zone 699)-
Selkirk Mountains of Northeast Washington (Zone 700)-
Foothills of Northeast Washington (Zone 701)-
Colville Reservation (Zone 702)-Okanogan Valley (Zone 703)-
Methow Valley (Zone 704)-
Foothills of Central Washington Cascades (Zone 705)-
Waterville Plateau (Zone 706)-
1102 AM PDT Tue Aug 11 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY
FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 101, 696, 697, 698, 699,
700, 701, 702, 703, 704, 705, AND 706...
The National Weather Service in Spokane has issued a Red Flag
Warning for thunderstorms, which is in effect from 11 AM to 11 PM
PDT Wednesday.
* Affected Area: Northern and Central Idaho Panhandle (Zone
101), East Washington Central Cascades (Zone 696), East
Portion of North Cascades National Park/Lake Chelan National
Recreation Area (Zone 697), East Washington North Cascades
(Zone 698), Okanogan Highlands and Kettle Mountains (Zone
699), Selkirk Mountains of Northeast Washington (Zone 700),
Foothills of Northeast Washington (Zone 701), Colville
Reservation (Zone 702), Okanogan Valley (Zone 703), Methow
Valley (Zone 704), Foothills of Central Washington Cascades
(Zone 705) and Waterville Plateau (Zone 706).
* Thunderstorms: Scattered showers and thunderstorms will be
possible late morning through late evening Wednesday.
* Outflow Winds: Gusty and erratic outflow winds up to 40 mph will
be possible.
* Impacts: Lightning strikes will have the potential to start new
fires, and gusty and erratic outflow winds could cause
dangerous conditions around new and existing wildfires.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
127 PM MDT Tue Aug 11 2026
...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY...
A push of monsoon moisture will bring scattered thunderstorms to
the region Thursday afternoon through Friday morning. Lingering
dry surface air will limit the rainfall amounts on Thursday,
increasing concern for lightning ignitions.
IDZ400>403-420-421-423-424-426-ORZ672>674-122100-
/O.NEW.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/
Northern Boise BLM-Western Payette National Forest-
Eastern Payette National Forest-Northern Boise National Forest-
Treasure Valley BLM-
Southern Boise/Western Sawtooth NF, including the Camas Prairie-
Owyhee Mountains-Western Twin Falls BLM-Southern Highlands-
Southern Grasslands-Central Canyonlands-Northwestern Vale BLM-
127 PM MDT Tue Aug 11 2026 /1227 PM PDT Tue Aug 11 2026/
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE THURSDAY NIGHT FOR LIGHTNING FOR NORTHERN BOISE BLM...
WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL
FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM...
SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE...
OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS...
SOUTHERN GRASSLANDS...CENTRAL CANYONLANDS AND NORTHWESTERN VALE
BLM...WHICH ARE FIRE WEATHER ZONES 400...401...402...403...420...
421...423...424...426...672...673 AND 674...
The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Thursday afternoon
through late Thursday night.
* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern
Boise BLM, 401 Western Payette National Forest, 402 Eastern
Payette National Forest, 403 Northern Boise National Forest,
420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth
NF, including the Camas Prairie, 423 Owyhee Mountains, 424
Western Twin Falls BLM and 426 Southern Highlands. In Oregon,
Fire Weather Zones 672 Southern Grasslands, 673 Central
Canyonlands and 674 Northwestern Vale BLM.
* TIMING...From Thursday afternoon through early Friday morning.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 40 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.
&&
$$
L
Air Quality Alert
IDC057-061-069-122300-
Latah-Lewis-Nez Perce-
Including the cities of Moscow, Potlatch, Deary, Genesee, Juliaetta,
Kendrick, Kamiah, Craigmont, Nezperce, Winchester, Lewiston, Lapwai,
Peck, Culdesac, and Gifford
1135 AM PDT Tue Aug 11 2026
An Air Quality Alert has been issued by the following agencies:
Idaho Department of Environmental Quality in Lewiston
Nez Perce Tribe
...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Clearwater, Idaho, Latah, Lewis, and Nez Perce
Counties...
* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke. Air Quality Index is forecast to be Unhealthy for
Sensitive Groups.
* WHERE...Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties...
* WHEN...Next update 3 PM August 12th.
* IMPACTS...Members of sensitive groups may experience health
effects. The general public is less likely to be affected.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Lewiston Regional Office at (208) 799-4370
$$
WAC001-003-007-017-019-023-025-043-047-051-063-065-075-122300-
Adams-Asotin-Chelan-Douglas-Ferry-Garfield-Grant-Lincoln-Okanogan-
Pend Oreille-Spokane-Stevens-Whitman-
Including the cities of Othello, Ritzville, Washtucna, Clarkston,
Asotin, Anatone, Wenatchee, Leavenworth, Cashmere, Entiat, Chelan,
Manson, Plain, East Wenatchee, Bridgeport, Waterville, Douglas,
Republic, Inchelium, Keller, Curlew, Danville, Laurier, Pomeroy,
Moses Lake, Ephrata, Quincy, Mattawa, Royal City, Coulee City,
Davenport, Odessa, Wilbur, Reardan, Sprague, Omak, Okanogan,
Tonasket, Brewster, Oroville, Mazama, Winthrop, Methow, Twisp,
Conconully, Newport, Metaline Falls, Ione, Cusick, Diamond Lake,
Spokane, Airway Heights, Medical Lake, Cheney, Rockford,
Liberty Lake, Deer Park, Colville, Chewelah, Kettle Falls,
Springdale, Northport, Pullman, Colfax, Oakesdale, Rosalia,
La Crosse, and Uniontown
1135 AM PDT Tue Aug 11 2026
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
Colville Confederated Tribes
Environmental Protection Agency
Spokane Regional Clean Air Agency
An Air Quality Alert has been issued for Adams, Asotin, Chelan,
Douglas, Ferry, Garfield, Grant, Lincoln, Okanogan, Pend Oreille,
Spokane, Stevens, and Whitman Counties until further notice due to
current and expected smoke from regional fires. Particulate matter
(PM2.5) may reach Very Unhealthy levels for areas directly downwind
from active wildfires. Other areas may reach Unhealthy for Sensitive
Groups or worse. Intermittent clearing may occur due to windy
conditions, but smoke production continues to be significant.
When air quality is Unhealthy, everyone should reduce exposure.
Limit time outside, avoid strenuous outdoor activity, and follow tips
for cleaner indoor air. When air quality is Very Unhealthy, everyone
should reduce exposure. Stay inside and filter indoor air to keep it
cleaner. Go elsewhere for cleaner air, if needed.
$$
ORC027-121900-
Hood River-
Including the cities of Hood River, Cascade Locks, and Parkdale
1117 AM PDT Tue Aug 11 2026
...AIR QUALITY ADVISORY IN EFFECT UNTIL NOON PDT WEDNESDAY...
The Oregon Department of Environmental Quality has continued an Air
Quality Advisory, which is IN EFFECT UNTIL NOON PDT WEDNESDAY.
An Air Quality Advisory for Smoke and Ozone remains in effect.
Wildfires burning in the region combined with forecasted conditions
will cause air quality to reach unhealthy levels due to smoke and
ozone at times through 12 PM PDT Wednesday.
Pollutants in smoke can cause burning eyes, runny nose, aggravate
heart and lung diseases, and aggravate other serious health
problems. Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.
More information about air quality can be found at:
www.orcaa.org
www.swcleanair.gov
www.oregon.gov/DEQ
www.lrapa.org
$$
IDC001-003-027-045-073-075-087-121900-
Ada-Adams-Canyon-Gem-Owyhee-Payette-Washington-
850 PM MDT Mon Aug 10 2026
...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Adams, Canyon, Gem, Owyhee, Payette, and Washington
Counties...
* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke.
Air Quality Index is forecast to be Unhealthy.
* WHERE...Ada, Adams, Canyon, Gem, Owyhee, Payette, and Washington
Counties.
* WHEN...UNTIL 1 PM MDT WEDNESDAY.
* IMPACTS...Everyone may begin to experience health effects; members
of sensitive groups may experience more serious health effects.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Boise Regional Office at (208) 373-0550
Twin Falls Regional Office at (208) 736-2190
$$
ORC025-121900-
Harney-
850 PM MDT Mon Aug 10 2026
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Harney County...
* WHAT...High concentration of smoke particulates from wildfire
smoke.
* WHERE...Harney County.
* WHEN...UNTIL 11 AM PDT WEDNESDAY.
* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.
* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ`s Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* Stay inside if possible. Keep windows and doors closed.
* Avoid strenuous outdoor activity.
* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.
* Be aware of smoke in your area and avoid places with the highest
levels.
* If you have heart or lung disease, or asthma, follow your
healthcare provider`s advice.
For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov
For additional information, please visit:
https://www.oregon.gov/deq
$$
IDC035-049-122100-
Air Quality Alert Message
Idaho Department of Environmental Quality Lewiston ID
Relayed by National Weather Service Missoula MT
438 PM MDT Mon Aug 10 2026 /338 PM PDT Mon Aug 10 2026/
...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY
FOR Clearwater and Idaho Counties...
WHAT: Air Quality Advisory because of degraded air quality due to wildfire
smoke.
Air Quality Index is forecast to be Unhealthy for Sensitive Groups.
WHERE... Clearwater and Idaho Counties outside of reservation boundar
WHEN: Extended until 3:00PM 8/12/2026
IMPACTS: Members of sensitive groups may experience health effects. The
general public is less likely to be affected.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
Air pollutants can cause breathing difficult for children, the elderly, as
well as persons with respiratory problems. Those individuals who are
sensitive to increased particulate matter or smoke are encouraged to avoid
prolonged or strenuous outdoor activity during this advisory. Open burning
is prohibited by air quality rule. It is also recommended that all other
individuals limit prolonged or strenuous activity outdoors.
ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP.
FOR MORE INFORMATION, CONTACT DEQ`s Lewiston Regional Office at (208) 799-
4370
$$
ORC035-121900-
Klamath-
Including the cities of Altamont, Olene, Klamath Falls, and Midland
958 AM PDT Mon Aug 10 2026
...AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT WEDNESDAY...
Oregon Department of Environmental Quality has issued an Air
Quality Advisory...in effect until noon PDT Wednesday.
Wildfires burning in the region combined with forecast conditions
will cause air quality levels to fluctuate and could be at unhealthy
levels.
Smoke levels can change rapidly depending on the weather. People at
risk include infants and young children, people with heart or lung
disease, older adults and pregnant people.
People can take the following precautions to protect their health:
* Follow local burn restrictions to prevent deteriorating air
quality.
* Avoid strenuous outdoor activity during periods of poor air
quality.
* People with heart or lung problems and young children are
especially vulnerable. These people should stay indoors while smoke
levels are high.
* Use certified High Efficiency Particulate Air (HEPA) filters in
indoor heating, ventilation, cooling and air purification systems.
For additional information...please visit the web site at
https://oregonsmoke.org
$$
ORC037-121900-
Lake-
Including the cities of Adel, Lakeview, New Pine Creek,
Valley Falls, and Fort Rock
958 AM PDT Mon Aug 10 2026
...AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT WEDNESDAY...
Oregon Department of Environmental Quality has issued an Air
Quality Advisory...in effect until noon PDT Wednesday.
Wildfires burning in the region combined with forecast conditions
will cause air quality levels to fluctuate and could be at unhealthy
levels.
Smoke levels can change rapidly depending on the weather. People at
risk include infants and young children, people with heart or lung
disease, older adults and pregnant people.
People can take the following precautions to protect their health:
* Follow local burn restrictions to prevent deteriorating air
quality.
* Avoid strenuous outdoor activity during periods of poor air
quality.
* People with heart or lung problems and young children are
especially vulnerable. These people should stay indoors while smoke
levels are high.
* Use certified High Efficiency Particulate Air (HEPA) filters in
indoor heating, ventilation, cooling and air purification systems.
For additional information...please visit the web site at
https://oregonsmoke.org
$$
ORC013-017-023-031-061-063-065-069-121900-
Crook-Deschutes-Grant-Jefferson-Union-Wallowa-Wasco-Wheeler-
Including the cities of Prineville, Post, Paulina, Bend, Redmond,
Sunriver, Sisters, La Pine, Brothers, John Day, Monument, Dayville,
Long Creek, Seneca, Madras, Warm Springs, Culver, La Grande, Elgin,
Union, North Powder, Enterprise, Joseph, Wallowa..Imnaha, Troy,
Lostine, The Dalles, Maupin, Shaniko, Tygh Valley, Fossil, Spray,
and Mitchell
949 AM PDT Mon Aug 10 2026
...AIR QUALITY ADVISORY IN EFFECT UNTIL NOON PDT WEDNESDAY...
Oregon Department of Environmental Quality has issued an Air Quality
Advisory until noon PDT Wednesday.
Check with your local health or air agency for current restrictions
on woodstove use. There are often exceptions for those who use wood
exclusively to heat their homes and those with limited income.
People can take the following precautions to protect their health:
* Follow local burn restrictions to prevent deteriorating air
quality.
* Avoid strenuous outdoor activity in smoky conditions.
* People with heart or lung problems and young children are
especially vulnerable. These people should stay indoors while
smoke levels are high.
* Use certified High Efficiency Particulate Air (HEPA) filters in
indoor heating ventilation, cooling, and air purification systems.
* Avoid using wood-burning stoves and other sources of indoor smoke
if possible.
For additional information...please visit the Web site at
http://www.oregon.gov/DEQ
$$
WAC005-013-021-037-039-071-077-121900-
Benton-Columbia-Franklin-Kittitas-Klickitat-Walla Walla-Yakima-
Including the cities of Kennewick, Richland, Benton City, Prosser,
Hanford, Dayton, Starbuck, Pasco, Connell, Ellensburg, Cle Elum,
Easton, Goldendale, White Salmon, Trout Lake, Bickleton, Roosevelt,
College Place, Walla Walla, Burbank, Waitsburg, Prescott, Grandview,
Sunnyside, Toppenish, Yakima, Granger, Mabton, Selah, Wapato,
White Swan, Zillah, Naches, and Cliffdell
949 AM PDT Mon Aug 10 2026
...AIR QUALITY ALERT IN EFFECT UNTIL 11 AM PDT THURSDAY...
The have issued an Air Quality Alert until 11 AM PDT Thursday.
An Air Quality Alert has been issued for Benton, Columbia, Franklin,
Kittitas, Klickitat, Walla Walla and Yakima Counties until further
notice due to expected wildfire smoke from regional fires. Expect
some clearing out and intermittent good air quality but with
significant fires on the landscape conditions can worsen quickly to
unhealthy air. Be sure to check air monitors in your area before
outdoor activities.
People can take the following precautions to protect their health:
* Follow local burn restrictions to prevent deteriorating air
quality.
* Avoid strenuous outdoor activity in smoky conditions.
* People with heart or lung problems and young children are
especially vulnerable. These people should stay indoors while
smoke levels are high.
* Use certified High Efficiency Particulate Air (HEPA) filters in
indoor heating ventilation, cooling, and air purification systems.
* Avoid using wood-burning stoves and other sources of indoor smoke
if possible.
Information from the Washington Department of Ecology web site is
available at http://www.ecy.wa.gov/air.html or call 360-407-6000.
Information from the Yakima Regional Clean Air Agency web site is
available at http://www.yakimacleanair.org or call 509-834-2050.
Information from the Benton County Clean Air Agency web site is
available at http://www.bentoncleanair.org or call 509-783-1304.
$$
