Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1144 AM PDT Tue Jul 21 2026

IDZ001-002-026-027-WAZ031>038-041-043-044-047>049-220700-
/O.CON.KOTX.HT.Y.0003.000000T0000Z-260724T0400Z/
Northern Panhandle-Coeur d`Alene Area-Lewiston Area-Lewis and
Southern Nez Perce Counties-Northeast Blue Mountains-Lower
Garfield and Asotin Counties-Washington Palouse-Moses Lake Area-
Upper Columbia Basin-Spokane Area-Northeast Mountains-Okanogan
Highlands-Wenatchee Area-Okanogan Valley-Waterville Plateau-
Central Chelan County-Western Chelan County-Western Okanogan
County-
Including the cities of Leavenworth, Colfax, Republic, Moses
Lake, Craigmont, Cloverland Road, Grand Coulee, Spokane Valley,
Holden Village, Priest River, Quincy, Winchester, Sandpoint,
Brewster, Sherman Pass, Chesaw Road, Ephrata, Metaline, Mountain
Road, Gifford, Worley, Fairfield, Rockford, Tekoa, Eastport,
Tiger, Omak, Alpowa Summit, Lewiston, Entiat, Mansfield, Twisp,
Peck, Odessa, Anatone, La Crosse, Creston, Ritzville, Orin-Rice
Road, Winthrop, Othello, Nezperce, Wilbur, Rosalia, Metaline
Falls, Disautel Pass, Newport, Methow, Lewiston Grade,
Waterville, Number 1 Canyon, Pomeroy, Oroville, Deer Park,
Boulder Creek Road, Coeur d`Alene, Athol, Colville, Airway
Heights, Bridgeport, Pangborn Airport, Springdale-Hunters Road,
Nespelem, Post Falls, Fruitland, Clarkston, Stevens Pass, Flowery
Trail Road, Chewelah, Pullman, Okanogan, Plain, Peola, Davenport,
Bonners Ferry, Wauconda, Chelan, Loup Loup Pass, Schweitzer
Mountain Road, Kettle Falls, Clark Fork, Inchelium, Cheney,
Conconully, Coulee City, Ione, Kamiah, Hayden, Downtown Spokane,
Soldiers Meadow Road, Oakesdale, Lapwai, Uniontown, Culdesac,
Cashmere, Mazama, Northport, Highway 20 Wauconda Summit,
Wenatchee, Stehekin, Tonasket, Harrington, Number 2 Canyon, and
Badger Mountain Road
1144 AM PDT Tue Jul 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THURSDAY...

* WHAT...Hot temperatures with daytime highs in the 90s Tuesday and
  mid 90s to near 100 Wednesday and Thursday. This will pose a
  moderate to major risk of heat-related illness.

* WHERE...Portions of North and North Central Idaho and Central,
  East Central, North Central, Northeast, and Southeast Washington.

* WHEN...Until 9 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Wednesday will likely be the hottest day with
  widespread moderate and major HeatRisk. Limited overnight relief
  expected across the lower elevations Wednesday and Thursday
  mornings with low temperatures in the mid 60s to mid 70s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Monitor the latest forecasts and warnings for updates.

&&

$$

JW

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
614 AM PDT Tue Jul 21 2026

ORZ041-044-507-WAZ024-027>029-220515-
/O.CON.KPDT.HT.Y.0005.260721T1800Z-260724T0400Z/
Eastern Columbia River Gorge of Oregon-Lower Columbia Basin of
Oregon-Foothills of the Northern Blue Mountains of Oregon-Eastern
Columbia River Gorge of Washington-Yakima Valley-Lower Columbia
Basin of Washington-Foothills of the Blue Mountains of Washington-
Including the cities of Dayton, Toppenish, Pilot Rock, Walla
Walla, Boardman, Tri-Cities, Prosser, Pendleton, Arlington,
Athena, Ione, White Salmon, Naches, Hermiston, Sunnyside,
Connell, Yakima, Waitsburg, and The Dalles
614 AM PDT Tue Jul 21 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
PDT THURSDAY...

* WHAT...Hot conditions with temperatures up to 100 to 103 degrees
  expected, with 101 to 105 degrees in the Columbia Basin. This will
  pose a moderate to major risk of heat-related illness.

* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
  Lower Columbia Basin of Oregon and Washington, Foothills of the
  Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of
  the Blue Mountains of Washington.

* WHEN...From 11 AM this morning to 9 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...The heat will begin today, with widespread
  moderate and locally major HeatRisk.

Wednesday looks to be the hottest day, with Major HeatRisk across
the Columbia Basin, Yakima Valley and portions of the Gorge and Blue
Mountain Foothills.

Thursday will also see widespread moderate HeatRisk and locally
major HeatRisk, mainly across the Columbia Basin.

Smoke from area wildfires could end up affecting how hot
temperatures get.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.

&&

$$

BL

Air Quality Alert

WAC019-025-043-047-051-063-065-221600-
Ferry-Grant-Lincoln-Okanogan-Pend Oreille-Spokane-Stevens-
Including the cities of Republic, Inchelium, Keller, Curlew,
Danville, Laurier, 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, and Northport
1218 PM PDT Tue Jul 21 2026

An Air Quality Alert has been issued by the following agencies:

Washington Department of Ecology
    Spokane Regional Clean Air Agency

An Air Quality Alert continues for Spokane, Ferry, Lincoln,
Okanogan, Pend Oreille, and Stevens Counties, effective immediately
through Wednesday, July 22nd at 9 AM, due to current and expected
wildfire smoke from regional fires. Particulate matter (PM2.5) levels
are expected to range in the Unhealthy for Sensitive Groups and
Unhealthy categories. In Eastern Okanogan County near active
wildfires, air quality may reach Very Unhealthy to Hazardous levels.
When air quality is Unhealthy, everyone should reduce exposure. Limit
time outside, avoid strenuous activity, and follow tips for cleaner
indoor air.

$$

ORC013-017-023-031-059-061-063-069-231600-
Crook-Deschutes-Grant-Jefferson-Umatilla-Union-Wallowa-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, Hermiston,
Milton-Freewater, Pendleton, Athena, Pilot Rock, Stanfield,
Umatilla, Ukiah, Helix, La Grande, Elgin, Union, North Powder,
Enterprise, Joseph, Wallowa..Imnaha, Troy, Lostine, Fossil, Spray,
and Mitchell
740 PM PDT Mon Jul 20 2026

...AIR QUALITY ALERT IN EFFECT UNTIL 4 PM PDT WEDNESDAY...

Oregon Department of Environmental Quality has issued an Air Quality
Advisory until 4 PM PDT Wednesday.

For the Smoke Air Quality Advisory, wildfires burning in the region
combined with forecasted conditions will cause air quality to reach
unhealthy levels.

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.

For additional information...please visit the Web site at
http://www.oregon.gov/DEQ

$$

WAC005-021-071-231600-
Benton-Franklin-Walla Walla-
Including the cities of Kennewick, Richland, Benton City, Prosser,
Hanford, Pasco, Connell, College Place, Walla Walla, Burbank,
Waitsburg, and Prescott
740 PM PDT Mon Jul 20 2026

...AIR QUALITY ALERT IN EFFECT UNTIL 9 AM PDT WEDNESDAY...

The Washington State Department of Ecology, Benton Clean Air Agency,
have issued an Air Quality Alert until 9 AM PDT Wednesday.

For the Smoke Air Quality Alert, wildfires burning in the region
combined with forecasted conditions will cause air quality to reach
unhealthy levels.

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.

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 Benton County Clean Air Agency web site is
available at http://www.bentoncleanair.org or call 509-783-1304.

$$

WAC057-073-221600-
Skagit-Whatcom-
1248 PM PDT Mon Jul 20 2026

...AIR QUALITY ALERT IN EFFECT UNTIL 9 AM PDT WEDNESDAY...

An Air Quality Alert has been issued by the Northwest Clean Air
Agency until 9 AM PDT Wednesday.

An Air Quality Alert has been issued for Skagit and Whatcom Counties,
effective immediately through Wednesday July 22nd at 9am due to
expected wildfire smoke from Canadian wildfires.

Particulate matter (PM2.5) levels may reach Unhealthy for Sensitive
Groups. 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.

For current air quality conditions and additional information visit
https://nwcleanairwa.gov

$$