Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1220 PM PDT Tue Sep 2 2025
IDZ026-WAZ032-031530-
/O.CON.KOTX.XH.W.0004.000000T0000Z-250905T0300Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Lapwai, Alpowa Summit, Peck, Gifford,
Lewiston Grade, Culdesac, Lewiston, Clarkston, and Pomeroy
1220 PM PDT Tue Sep 2 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures of 96 to
106 degrees.
* WHERE...Lapwai, Alpowa Summit, Peck, Gifford, Lewiston Grade,
Culdesac, Lewiston, Clarkston, and Pomeroy.
* 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 Spokane WA
1220 PM PDT Tue Sep 2 2025
IDZ001-003-004-027-WAZ033-037-038-047-049-031530-
/O.CON.KOTX.HT.Y.0007.000000T0000Z-250905T0300Z/
Northern Panhandle-Idaho Palouse-Central Panhandle Mountains-
Lewis and Southern Nez Perce Counties-Washington Palouse-
Northeast Mountains-Okanogan Highlands-Central Chelan County-
Western Okanogan County-
Including the cities of Methow, Kettle Falls, Ione, Boulder Creek
Road, Soldiers Meadow Road, Schweitzer Mountain Road, Tekoa,
Newport, Wauconda, Craigmont, Nezperce, Highway 20 Wauconda
Summit, Clark Fork, Metaline Falls, Deer Park, Fourth Of July
Pass, Bonners Ferry, Fruitland, Pinehurst, Loup Loup Pass,
Metaline, Osburn, Chesaw Road, Sherman Pass, Leavenworth,
Kellogg, Flowery Trail Road, Orin-Rice Road, Springdale-Hunters
Road, Conconully, Winthrop, Colfax, Twisp, Mullan, Northport,
Pullman, La Crosse, Inchelium, Colville, Winchester, Uniontown,
Dobson Pass, Plain, Fernwood, Athol, Kamiah, Republic, Priest
River, Chewelah, Plummer, Tiger, Mazama, Rosalia, Oakesdale,
Genesee, St. Maries, Potlatch, Moscow, Eastport, Wallace, Lookout
Pass, and Sandpoint
1220 PM PDT Tue Sep 2 2025
...HEAT ADVISORY REMAINS 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...Methow, Kettle Falls, Ione, Boulder Creek Road, Soldiers
Meadow Road, Schweitzer Mountain Road, Tekoa, Newport, Wauconda,
Craigmont, Nezperce, Highway 20 Wauconda Summit, Clark Fork,
Metaline Falls, Deer Park, Fourth Of July Pass, Bonners Ferry,
Fruitland, Pinehurst, Loup Loup Pass, Metaline, Osburn, Chesaw
Road, Sherman Pass, Leavenworth, Kellogg, Flowery Trail Road,
Orin-Rice Road, Springdale-Hunters Road, Conconully, Winthrop,
Colfax, Twisp, Mullan, Northport, Pullman, La Crosse, Inchelium,
Colville, Winchester, Uniontown, Dobson Pass, Plain, Fernwood,
Athol, Kamiah, Republic, Priest River, Chewelah, Plummer, Tiger,
Mazama, Rosalia, Oakesdale, Genesee, St. Maries, Potlatch, Moscow,
Eastport, Wallace, Lookout Pass, and Sandpoint.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
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
1220 PM PDT Tue Sep 2 2025
IDZ002-WAZ035-036-044-031530-
/O.CON.KOTX.HT.Y.0007.000000T0000Z-250905T0300Z/
Coeur d`Alene Area-Upper Columbia Basin-Spokane Area-Waterville
Plateau-
Including the cities of Post Falls, Downtown Spokane, Worley,
Airway Heights, Mansfield, Coeur d`Alene, Hayden, Creston,
Ritzville, Cheney, Waterville, Fairfield, Badger Mountain Road,
Harrington, Odessa, Rockford, Spokane Valley, Davenport, Wilbur,
Grand Coulee, and Coulee City
1220 PM PDT Tue Sep 2 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...Post Falls, Downtown Spokane, Worley, Airway Heights,
Mansfield, Coeur d`Alene, Hayden, Creston, Ritzville, Cheney,
Waterville, Fairfield, Badger Mountain Road, Harrington, Odessa,
Rockford, Spokane Valley, Davenport, Wilbur, Grand Coulee, and
Coulee City.
* 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.
&&
$$
OTX
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1043 AM MDT Tue Sep 2 2025
IDZ007-008-031645-
/O.EXT.KMSO.HT.Y.0008.000000T0000Z-250904T0600Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
943 AM PDT Tue Sep 2 2025
...HEAT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT WEDNESDAY...
* WHAT...Major risk of heat effects.
* WHERE...Lower Hells Canyon/Salmon River Region and
Orofino/Grangeville Region.
* WHEN...Until 11 PM PDT Wednesday.
* IMPACTS...This level of heat affects anyone without effective
cooling and/or adequate hydration. Impacts likely in some health
systems, heat-sensitive industries and infrastructure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1043 AM MDT Tue Sep 2 2025
MTZ001-004-031645-
/O.CON.KMSO.HT.Y.0008.250902T1800Z-250904T0600Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
1043 AM MDT Tue Sep 2 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY
NIGHT...
* WHAT...Moderate to major risk of heat effects expected.
* WHERE...Kootenai/Cabinet Region and Lower Clark Fork Region.
* WHEN...Until 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.
&&
$$
Air Quality Alert
WAC025-043-063-065-031900-
Grant-Lincoln-Spokane-Stevens-
Including the cities of Moses Lake, Ephrata, Quincy, Mattawa,
Royal City, Coulee City, Davenport, Odessa, Wilbur, Reardan,
Sprague, Spokane, Airway Heights, Medical Lake, Cheney, Rockford,
Liberty Lake, Deer Park, Colville, Chewelah, Kettle Falls,
Springdale, and Northport
1240 PM PDT Tue Sep 2 2025
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
Spokane Regional Clean Air Agency
An Air Quality Alert has been issued for Stevens, Spokane, Lincoln,
and Grant Counties until further notice due to current wildfire smoke
from regional wildfires. Particulate matter (PM2.5) levels are
Unhealthy and smoke is expected to continue. When air quality is
Unhealthy, residents should take steps to reduce exposure. Limit time
outside, avoid strenuous outdoor activity, and follow tips for
cleaner indoor air. Hot temperatures will increase the risk of heat-
related illnesses. Drink plenty of fluids, stay in an air-conditioned
room, stay out of the sun, and check up on relatives and neighbors.
$$
MTC019-021-055-083-085-091-105-031500-
Air Quality Alert
Relayed by National Weather Service Great Falls MT
903 AM MDT Tue Sep 2 2025
...AIR QUALITY ALERT IN EFFECT...
The Montana Department of Environmental Quality has issued an air
quality alert for Daniels, Dawson, McCone, Richland, Roosevelt,
Sheridan, Valley counties in effect until 9AM on 09/03/2025
An Air Quality Alert means that particulates have been trending
upwards and that an exceedence of the 24 hour National Ambient Air
Quality Standard (NAAQS) has occurred or may occur in the near
future.
Elevated particulate levels from wildfire smoke
As of 8AM on 09/02/2025, particulate levels in Glendive are Unhealthy
for Sensitive Groups.
As of 8AM on 09/02/2025, particulate levels in Billings, Butte,
Columbia Falls, Cut Bank, Frenchtown, Great Falls, Lewistown,
Missoula, Seeley Lake, Sidney and Thompson Falls are Moderate.
When air quality is Unhealthy for Sensitive Groups... State and local
health officials recommend that people with respiratory or heart
disease, the elderly and children should limit prolonged exertion.
When air quality is Moderate... State and local health officials
recommend that unusually sensitive people should consider reducing
prolonged or heavy exertion.
For more information visit the Montana Department of Environmental
Quality at http://todaysair.mtdeq.us
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Rapid City SD
423 AM MDT Tue Sep 2 2025
SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
031300-
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-
423 AM MDT Tue Sep 2 2025 /523 AM CDT Tue Sep 2 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Thunderstorms are possible tonight, mainly from northwestern into
south-central South Dakota. Small hail and gusty winds occur, but
severe thunderstorms are not expected.
Some Canadian wildfire smoke may move into the area Wednesday.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
A dry cold front will move through the area Thursday leading to
gusty northwest winds Thursday afternoon and evening. Wind gusts
in excess of 40 mph are possible. Elevated fire danger is expected
due to minimum relative humidities dropping to the 20s in
combination with the gusty winds.
.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
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
1252 AM MDT Tue Sep 2 2025
WYZ001>020-022>030-031300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
1252 AM MDT Tue Sep 2 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Elevated fire weather conditions across southern portions and the
central basins.
Isolated afternoon thunderstorms in the northern mountains.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thursday...Strong wind possible in the northern Big Horn Basin and
Johnson County.
Saturday and Sunday...Chances for showers and thunderstorms begin
to increase across areas west of the Divide.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
