Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1140 AM PDT Mon Sep 1 2025
IDZ026-WAZ032-022000-
/O.UPG.KOTX.HT.Y.0007.000000T0000Z-250905T0300Z/
/O.NEW.KOTX.XH.W.0004.250901T1840Z-250905T0300Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Alpowa Summit, Lewiston, Pomeroy,
Clarkston, Lapwai, Peck, Culdesac, Lewiston Grade, and Gifford
1140 AM PDT Mon Sep 1 2025
...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures 96 to 106
degrees.
* WHERE...Alpowa Summit, Lewiston, Pomeroy, Clarkston, Lapwai, Peck,
Culdesac, Lewiston Grade, and Gifford.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Hot temperatures will increase the risk of heat-related
illnesses. Heat Risk of this magnitude impacts almost everyone who
does not have access to adequate cooling or hydration.
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.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1258 PM MDT Mon Sep 1 2025
IDZ007-008-021900-
/O.CON.KMSO.HT.Y.0008.250901T1900Z-250903T0400Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
1158 AM PDT Mon Sep 1 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY...
* WHAT...Major risk of heat effects expected.
* WHERE...Lower Hells Canyon/Salmon River Region and
Orofino/Grangeville Region.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...This level of heat affects anyone without effective
cooling and/or adequate hydration. Impacts likely in some health
systems, heat-sensitive industries and infrastructure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1258 PM MDT Mon Sep 1 2025
MTZ001-004-021900-
/O.EXB.KMSO.HT.Y.0008.250902T1800Z-250904T0600Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
1258 PM MDT Mon Sep 1 2025
...HEAT ADVISORY IN EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT
WEDNESDAY NIGHT...
* WHAT...Moderate to major risk of heat effects expected.
* WHERE...Lower valleys of Lincoln and Sanders counties.
* WHEN...From noon Tuesday to midnight MDT Wednesday Night.
* IMPACTS...This level of heat affects anyone without effective
cooling and/or adequate hydration. Impacts likely in some health
systems, heat-sensitive industries and infrastructure.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1140 AM PDT Mon Sep 1 2025
IDZ001-004-WAZ037-022000-
/O.EXA.KOTX.HT.Y.0007.000000T0000Z-250905T0300Z/
Northern Panhandle-Central Panhandle Mountains-Northeast
Mountains-
Including the cities of Newport, Tiger, Clark Fork, Pinehurst,
Schweitzer Mountain Road, Ione, Deer Park, Colville, Eastport,
Kettle Falls, Fruitland, Metaline Falls, Chewelah, Northport,
Fernwood, St. Maries, Sandpoint, Priest River, Dobson Pass,
Osburn, Flowery Trail Road, Kellogg, Lookout Pass, Fourth Of July
Pass, Athol, Metaline, Mullan, Orin-Rice Road, Bonners Ferry,
Wallace, and Springdale-Hunters Road
1140 AM PDT Mon Sep 1 2025
...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Hot temperatures. High temperatures 93 to 103 degrees.
Limited overnight relief with low temperatures 58 to 65 degrees.
* WHERE...Newport, Tiger, Clark Fork, Pinehurst, Schweitzer Mountain
Road, Ione, Deer Park, Colville, Eastport, Kettle Falls,
Fruitland, Metaline Falls, Chewelah, Northport, Fernwood, St.
Maries, Sandpoint, Priest River, Dobson Pass, Osburn, Flowery
Trail Road, Kellogg, Lookout Pass, Fourth Of July Pass, Athol,
Metaline, Mullan, Orin-Rice Road, Bonners Ferry, Wallace, and
Springdale-Hunters Road.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Hot temperatures will increase the risk of heat-related
illnesses. Heat Risk of this magnitude impacts almost everyone who
does not have access to adequate cooling or hydration.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke. Heat stroke is an emergency! Call 9-1-1 if you see
someone exhibiting heat stroke symptoms.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1140 AM PDT Mon Sep 1 2025
IDZ002-WAZ035-036-044-022000-
/O.CON.KOTX.HT.Y.0007.000000T0000Z-250905T0300Z/
Coeur d`Alene Area-Upper Columbia Basin-Spokane Area-Waterville
Plateau-
Including the cities of Grand Coulee, Airway Heights, Hayden,
Spokane Valley, Davenport, Fairfield, Post Falls, Creston,
Worley, Badger Mountain Road, Downtown Spokane, Coeur d`Alene,
Ritzville, Wilbur, Coulee City, Rockford, Mansfield, Odessa,
Harrington, Waterville, and Cheney
1140 AM PDT Mon Sep 1 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Hot temperatures. High temperatures 95 to 103 degrees.
Limited overnight relief with low temperatures 60 to 70 degrees.
* WHERE...Grand Coulee, Airway Heights, Hayden, Spokane Valley,
Davenport, Fairfield, Post Falls, Creston, Worley, Badger Mountain
Road, Downtown Spokane, Coeur d`Alene, Ritzville, Wilbur, Coulee
City, Rockford, Mansfield, Odessa, Harrington, Waterville, and
Cheney.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Hot temperatures will increase the risk of heat-related
illnesses. Heat Risk of this magnitude impacts almost everyone who
does not have access to adequate cooling or hydration.
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.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke. Heat stroke is an emergency! Call 9-1-1 if you see
someone exhibiting heat stroke symptoms.
&&
$$
Butler
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1140 AM PDT Mon Sep 1 2025
IDZ003-027-WAZ033-038-047-049-022000-
/O.EXT.KOTX.HT.Y.0007.250901T1840Z-250905T0300Z/
Idaho Palouse-Lewis and Southern Nez Perce Counties-Washington
Palouse-Okanogan Highlands-Central Chelan County-Western Okanogan
County-
Including the cities of Moscow, Uniontown, Sherman Pass,
Republic, Winthrop, Boulder Creek Road, Leavenworth, Pullman,
Chesaw Road, Tekoa, Methow, Nezperce, Conconully, Soldiers Meadow
Road, Twisp, Potlatch, La Crosse, Wauconda, Winchester, Kamiah,
Colfax, Plain, Mazama, Rosalia, Oakesdale, Inchelium, Craigmont,
Genesee, Loup Loup Pass, Plummer, and Highway 20 Wauconda Summit
1140 AM PDT Mon Sep 1 2025
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Hot temperatures. High temperatures 95 to 103 degrees.
Limited overnight relief with low temperatures 58 to 65 degrees.
* WHERE...Moscow, Uniontown, Sherman Pass, Republic, Winthrop,
Boulder Creek Road, Leavenworth, Pullman, Chesaw Road, Tekoa,
Methow, Nezperce, Conconully, Soldiers Meadow Road, Twisp,
Potlatch, La Crosse, Wauconda, Winchester, Kamiah, Colfax, Plain,
Mazama, Rosalia, Oakesdale, Inchelium, Craigmont, Genesee, Loup
Loup Pass, Plummer, and Highway 20 Wauconda Summit.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Hot temperatures will increase the risk of heat-related
illnesses. Heat Risk of this magnitude impacts almost everyone who
does not have access to adequate cooling or hydration.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
Air Quality Alert
IDC061-069-021800-
Lewis-Nez Perce-
Including the cities of Kamiah, Craigmont, Nezperce, Winchester,
Lewiston, Lapwai, Peck, Culdesac, and Gifford
1105 AM PDT Mon Sep 1 2025
An Air Quality Alert has been issued by the following agencies:
Nez Perce Tribe
* WHAT...Air Quality Advisory due to smoke from wildfires. Wildfire
smoke may move in and out of the area depending on fire and wind
activity; some areas may be more impacted than others. Air quality
is currently in the Moderate to Unhealthy for Sensitive Groups
categories of the Air Quality Index (AQI). No EPA/NPT burn permits
will be approved. For the latest air quality readings head to
https://fire.airnow.gov or visit the Idaho Smoke Blog at
www.idsmoke.blogspot.com
* WHERE...Nez Perce Reservation.
* WHEN...Until 1000 AM PDT Tuesday, September 2.
* IMPACTS...Those who experience greater health effects from smoke
includechildren under 18, elders, pregnant women, people with
asthma or have difficulty breathing, diabetes, heart problems or
otherwise compromised health, and people who have high exposure
(those who work, exercise, or spend extensive time outdoors).
PRECAUTIONARY/PREPAREDNESS ACTIONS... Those individuals who are
sensitive to increased particulate matter or smoke are encouraged to
avoid prolonged or strenuous outdoor activity during this advisory.
It is also recommended that all other individuals limit prolonged or
strenuous activity outdoors.
Idaho Smoke Information Hotline: (800)-345-1007
$$
IDZ007-021700-
Air Quality Alert Message
Nez Perce Tribe ERWM Air Quality Program
Relayed by National Weather Service Missoula MT
1210 PM MDT Thu Aug 28 2025
...AIR QUALITY ADVISORY ISSUED FOR THE NEZ PERCE RESERVATION...
* WHAT...Air Quality Advisory due to smoke from wildfires.
Air Quality Index ranging from Moderate to Unhealthy for Sensitive Groups.
* WHERE...All Areas on the Nez Perce Reservation.
* WHEN...Until 10:00 AM PDT Tuesday, September 2nd.
* IMPACTS...Those who experience health effects from smoke include
children under 18, elders, pregnant women, people with asthma
or have difficulty breathing, diabetes, heart problems or
otherwise compromised health, and people who have high exposure
(those who work, exercise, or spend extensive time outdoors).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Under the most severe pollution level, sensitive groups should avoid
outdoor exposure and limit indoor activities, and everyone should
restrict their outdoor activities.
Idaho Department of Health and Welfare
https://healthandwelfare.idaho.gov/health-wellness/environmental-
health/wildfire-smoke
Idaho Smoke Information Hotline: 1-800-345-1007
&&
LAT...LON 4620 11645 4615 11620 4621 11615 4621 11607
4623 11601 4629 11612 4641 11620 4641 11630
4647 11637 4650 11637 4650 11645 4656 11645
4657 11625 4614 11589 4599 11596 4612 11648
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
143 AM MDT Mon Sep 1 2025
WYZ001>020-022>030-021145-
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-
143 AM MDT Mon Sep 1 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Elevated fire weather conditions across southern portions and the
central basins.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Saturday...Chances for showers and thunderstorms begin to increase
across areas west of the Divide.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
