Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
214 PM PDT Sat Aug 30 2025
IDZ002-026-WAZ032-035-036-041-043-044-312015-
/O.CON.KOTX.HT.Y.0007.250831T2000Z-250905T0300Z/
Coeur d`Alene Area-Lewiston Area-Lower Garfield and Asotin
Counties-Upper Columbia Basin-Spokane Area-Wenatchee Area-
Okanogan Valley-Waterville Plateau-
Including the cities of Gifford, Spokane Valley, Harrington,
Waterville, Lewiston, Grand Coulee, Rockford, Lewiston Grade,
Badger Mountain Road, Hayden, Post Falls, Pomeroy, Chelan, Peck,
Airway Heights, Cheney, Coulee City, Davenport, Entiat, Number
2 Canyon, Fairfield, Pangborn Airport, Lapwai, Coeur d`Alene,
Bridgeport, Wilbur, Okanogan, Clarkston, Ritzville, Worley,
Downtown Spokane, Mansfield, Omak, Odessa, Oroville, Alpowa
Summit, Culdesac, Nespelem, Cashmere, Creston, Brewster,
Tonasket, Number 1 Canyon, Disautel Pass, and Wenatchee
214 PM PDT Sat Aug 30 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM SUNDAY TO 8 PM PDT
THURSDAY...
* WHAT...Hot temperatures. High temperatures 95 to 105 degrees.
Limited overnight relief with low temperatures 60 to 70 degrees.
* WHERE...Gifford, Spokane Valley, Harrington, Waterville, Lewiston,
Grand Coulee, Rockford, Lewiston Grade, Badger Mountain Road,
Hayden, Post Falls, Pomeroy, Chelan, Peck, Airway Heights, Cheney,
Coulee City, Davenport, Entiat, Number 2 Canyon, Fairfield,
Pangborn Airport, Lapwai, Coeur d`Alene, Bridgeport, Wilbur,
Okanogan, Clarkston, Ritzville, Worley, Downtown Spokane,
Mansfield, Omak, Odessa, Oroville, Alpowa Summit, Culdesac,
Nespelem, Cashmere, Creston, Brewster, Tonasket, Number 1 Canyon,
Disautel Pass, and Wenatchee.
* WHEN...From 1 PM Sunday to 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.
&&
$$
AS
Air Quality Alert
IDC061-069-021700-
Lewis-Nez Perce-
Including the cities of Kamiah, Craigmont, Nezperce, Winchester,
Lewiston, Lapwai, Peck, Culdesac, and Gifford
1205 PM PDT Thu Aug 28 2025
An Air Quality Alert has been issued by the following agencies:
Nez Perce Tribe
* WHAT...Air Quality Advisory due to smoke from wildfires. Wildfire
smoke may move in and out of the area depending on fire and wind
activity; some areas may be more impacted than others. Air quality
is currently in the Moderate to Unhealthy for Sensitive Groups
categories of the Air Quality Index (AQI). No EPA/NPT burn permits
will be approved. For the latest air quality readings head to
https://fire.airnow.gov or visit the Idaho Smoke Blog at
www.idsmoke.blogspot.com
* WHERE...Nez Perce Reservation.
* WHEN...Until 1000 AM PDT Tuesday, September 2.
* IMPACTS...Those who experience greater health effects from smoke
includechildren under 18, elders, pregnant women, people with
asthma or have difficulty breathing, diabetes, heart problems or
otherwise compromised health, and people who have high exposure
(those who work, exercise, or spend extensive time outdoors).
PRECAUTIONARY/PREPAREDNESS ACTIONS... Those individuals who are
sensitive to increased particulate matter or smoke are encouraged to
avoid prolonged or strenuous outdoor activity during this advisory.
It is also recommended that all other individuals limit prolonged or
strenuous activity outdoors.
Idaho Smoke Information Hotline: (800)-345-1007
$$
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
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Rapid City SD
444 AM MDT Sun Aug 31 2025
SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
011300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Southern Foothills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-Southern Perkins-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
444 AM MDT Sun Aug 31 2025 /544 AM CDT Sun Aug 31 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Patchy fog will dissipate early this morning.
Isolated thunderstorms may occur through this evening, but severe
thunderstorms are not expected.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Isolated thunderstorms may occur over far south-central South
Dakota late Monday afternoon, but severe thunderstorms are not
expected. Isolated thunderstorms may occur Tuesday night and
Wednesday as a cold front moves through, but severe thunderstorms
are not expected.
Patchy to areas of fog are expected late tonight and early Monday
leading to rapidly fluctuating visibilities.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Bismarck ND
321 AM CDT Sun Aug 31 2025
NDZ001-009-017-018-031>033-040>045-010830-
Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope-
Hettinger-Grant-Bowman-Adams-Sioux-
321 AM CDT Sun Aug 31 2025 /221 AM MDT Sun Aug 31 2025/
This Hazardous Weather Outlook is for portions of northwest North
Dakota, south central North Dakota, and southwest North Dakota.
.DAY ONE...Today and Tonight
Isolated thunderstorms are possible this afternoon through this
evening. The chance for severe weather is low.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
146 AM MDT Sun Aug 31 2025
WYZ001>020-022>030-011200-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
146 AM MDT Sun Aug 31 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Increasing smoke/haze over western and central portions of the CWA
through the day today.
.DAYS TWO THROUGH SEVEN...Labor Day through Saturday.
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
