Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
921 PM PDT Mon Jul 20 2026
IDZ001-002-026-027-WAZ031>038-041-043-044-047>049-211900-
/O.EXT.KOTX.HT.Y.0003.260721T1800Z-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 Rockford, Brewster, Rosalia, Othello,
Conconully, Moses Lake, Tonasket, Chelan, Okanogan, Chesaw Road,
Leavenworth, Deer Park, Soldiers Meadow Road, Winchester, Tekoa,
Bridgeport, Omak, Lewiston, Springdale-Hunters Road, Winthrop,
Tiger, Worley, Number 1 Canyon, Ione, Mazama, Kettle Falls,
Badger Mountain Road, La Crosse, Number 2 Canyon, Loup Loup Pass,
Plain, Airway Heights, Athol, Uniontown, Downtown Spokane,
Culdesac, Colfax, Lewiston Grade, Wilbur, Disautel Pass,
Inchelium, Ephrata, Sandpoint, Oroville, Orin-Rice Road, Boulder
Creek Road, Eastport, Craigmont, Cashmere, Hayden, Grand Coulee,
Pangborn Airport, Colville, Kamiah, Clarkston, Nezperce, Entiat,
Schweitzer Mountain Road, Oakesdale, Mansfield, Quincy, Cheney,
Sherman Pass, Nespelem, Post Falls, Wauconda, Coeur d`Alene,
Peola, Republic, Wenatchee, Odessa, Ritzville, Gifford,
Fairfield, Bonners Ferry, Spokane Valley, Priest River, Stehekin,
Lapwai, Mountain Road, Metaline Falls, Chewelah, Anatone,
Pomeroy, Stevens Pass, Pullman, Holden Village, Highway
20 Wauconda Summit, Twisp, Clark Fork, Northport, Alpowa Summit,
Peck, Coulee City, Davenport, Flowery Trail Road, Methow,
Waterville, Newport, Metaline, Cloverland Road, Creston,
Fruitland, and Harrington
921 PM PDT Mon Jul 20 2026
...HEAT ADVISORY NOW IN EFFECT FROM 11 AM TUESDAY TO 9 PM PDT
THURSDAY...
* WHAT...Hot temperatures with daytime highs in the mid 90s to near
100 degrees Tuesday and upper 90s to low 100s 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...From 11 AM Tuesday to 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. Moderate and locally major
HeatRisk continue into Thursday. Limited overnight relief expected
across the lower elevations Wednesday and Thursday mornings with
low temperatures in the mid 60s to mid 70s. Smoke from area
wildfires may end up affecting how hot high 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.
&&
$$
OTX
Flood Watch
Flood Watch
National Weather Service Riverton WY
157 AM MDT Tue Jul 21 2026
WYZ001>020-022>030-220000-
/O.NEW.KRIW.FA.A.0004.260721T1800Z-260723T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yellowstone National Park-Absaroka Mountains-Cody Foothills-North
Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-Owl
Creek and Bridger Mountains-Bighorn Mountains West-Bighorn
Mountains Southeast-Northeast Johnson County-Southeast Johnson
County-Teton and Gros Ventre Mountains-Jackson Hole-Wind River
Mountains West-Wind River Mountains East-Upper Wind River Basin-
Wind River Basin-Lander Foothills-Green Mountains and Rattlesnake
Range-Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-Rock Springs and
Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Jackson, Kemmerer, Cokeville, Big Piney,
Shoshoni, Kaycee, Star Valley Ranch, Ten Sleep, Old Faithful,
Greybull, Lander, Powell, Riverton, Casper, Cody, Alpine, Meeteetse,
Thayne, Dubois, Buffalo, Clark, Jeffrey City, Rock Springs, Mammoth,
Afton, Worland, La Barge, Lovell, Farson, Lake, Shell, Wamsutter,
Basin, Green River, Thermopolis, and Pinedale
157 AM MDT Tue Jul 21 2026
...FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH LATE WEDNESDAY
NIGHT...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of central, north central, northwest, south
central, southwest, and west central Wyoming, including the
following areas, in central Wyoming, Casper Mountain, Green
Mountains and Rattlesnake Range, Lander Foothills, Natrona County
Lower Elevations, Owl Creek and Bridger Mountains, Southwest
Bighorn Basin, Upper Wind River Basin, Wind River Basin, Wind River
Mountains East and Wind River Mountains West. In north central
Wyoming, Bighorn Mountains Southeast, Bighorn Mountains West,
Northeast Johnson County, Southeast Bighorn Basin and Southeast
Johnson County. In northwest Wyoming, Absaroka Mountains, Cody
Foothills, Jackson Hole, North Bighorn Basin, Teton and Gros Ventre
Mountains and Yellowstone National Park. In south central Wyoming,
East Sweetwater County, Flaming Gorge and Rock Springs and Green
River. In southwest Wyoming, South Lincoln County. In west central
Wyoming, Salt River and Wyoming Ranges, Star Valley, Upper Green
River Basin and Upper Green River Basin Foothills.
* WHEN...From noon MDT today through late Wednesday night. The most
likely period of possible flooding looks to be Wednesday afternoon
through Wednesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Slow moving showers and thunderstorms can bring locally heavy
rainfall that could lead to flooding.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
Hattings
Air Quality Alert
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
$$
IDC001-027-045-075-087-212045-
Ada-Canyon-Gem-Payette-Washington-
234 PM MDT Mon Jul 20 2026
...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Canyon, Gem, Payette, and Washington Counties...
* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke.
Air Quality Index is forecast to be Unhealthy.
* WHERE...Ada, Canyon, Gem, Payette, and Washington Counties.
* WHEN...UNTIL 3 PM MDT WEDNESDAY.
* IMPACTS...Everyone may begin to experience health effects; members
of sensitive groups may experience more serious health effects.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Boise Regional Office at (208) 373-0550
$$
ORC001-025-045-212045-
Baker-Harney-Malheur-
234 PM MDT Mon Jul 20 2026 /134 PM PDT Mon Jul 20 2026/
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Baker, Harney, and Malheur Counties...
* WHAT...High concentration of smoke particulates from wildfires.
* WHERE...Baker, Harney, and Malheur Counties.
* WHEN...UNTIL NOON 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
$$
WAC019-025-043-047-051-063-065-211945-
Ferry-Grant-Lincoln-Okanogan-Pend Oreille-Spokane-Stevens-
Including the cities of Republic, Inchelium, Keller, Curlew,
Danville, Laurier, Moses Lake, Ephrata, Quincy, Mattawa, Royal City,
Coulee City, Davenport, Odessa, Wilbur, Reardan, Sprague, Omak,
Okanogan, Tonasket, Brewster, Oroville, Mazama, Winthrop, Methow,
Twisp, Conconully, Newport, Metaline Falls, Ione, Cusick,
Diamond Lake, Spokane, Airway Heights, Medical Lake, Cheney,
Rockford, Liberty Lake, Deer Park, Colville, Chewelah, Kettle Falls,
Springdale, and Northport
1238 PM PDT Mon Jul 20 2026
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
Spokane Regional Clean Air Agency
An Air Quality Alert continues for Spokane, Ferry, Lincoln,
Okanogan, Pend Oreille, and Stevens Counties, effective immediately
through Wednesday, July 22nd at 9 AM, due to current and expected
wildfire smoke from regional fires. Particulate matter (PM2.5) levels
are expected to range in the Unhealthy for Sensitive Groups and
Unhealthy categories. In Eastern Okanogan County near active
wildfires, air quality may reach Very Unhealthy to Hazardous levels.
When air quality is Unhealthy, everyone should reduce exposure. Limit
time outside, avoid strenuous activity, and follow tips for cleaner
indoor air.
$$
