Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Juan PR
1000 AM AST Mon Sep 1 2025
PRZ001>005-007-008-010>013-VIZ001-002-012100-
/O.CON.TJSJ.HT.Y.0051.000000T0000Z-250901T2100Z/
San Juan and Vicinity-Northeast-Southeast-Eastern Interior-North
Central-Ponce and Vicinity-Northwest-Mayaguez and Vicinity-
Southwest-Culebra-Vieques-St.Thomas...St. John...and Adjacent
Islands-St Croix-
Including the cities of Quebradillas, Maunabo, Vega Alta, Camuy,
Anna`s Retreat, Fajardo, Hatillo, Florida, Cruz Bay,
Frederiksted, Ceiba, Naguabo, Isabela, Trujillo Alto,
Barceloneta, Loiza, Toa Baja, Yauco, Catano, Guanica,
Frederiksted Southeast, Comerio, Vega Baja, Ponce, Aguadilla,
Culebra, Juana Diaz, Luquillo, Gurabo, Santa Isabel, Guayanilla,
Anasco, Christiansted, Bayamon, Patillas, Caguas, Cayey,
Mayaguez, Juncos, Aguas Buenas, Salinas, Rincon, San Lorenzo,
Cidra, Carolina, Charlotte Amalie West, Las Piedras, Toa Alta,
Humacao, Penuelas, Manati, Arroyo, Hormigueros, Arecibo, Lajas,
Vieques, San German, Guaynabo, Yabucoa, Moca, Dorado, Grove
Place, Charlotte Amalie, Canovanas, Aguada, Charlotte Amalie
East, Guayama, Rio Grande, Cabo Rojo, and San Juan
1000 AM AST Mon Sep 1 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...
* WHAT...This level of heat affect most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health system and in
heat-sensitive industries.
* WHERE...Portions of Puerto Rico and Virgin Islands.
* WHEN...Until 5 PM AST this afternoon.
* 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.
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.
Monitor the latest forecasts and warnings for updates.
&&
$$
CAM
URGENT - WEATHER MESSAGE
National Weather Service Juneau AK
522 AM AKDT Mon Sep 1 2025
AKZ319-325-328-330-332-012130-
/O.CON.PAJK.HT.Y.0008.250902T2000Z-250903T0300Z/
Haines Borough and Klukwan-City and Borough of Juneau-
Prince of Wales Island-Ketchikan Gateway Borough-Annette Island-
Including the cities of Haines, Juneau, Craig, Klawock, Hydaburg,
Coffman Cove, Thorne Bay, Ketchikan, and Metlakatla
522 AM AKDT Mon Sep 1 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM AKDT
TUESDAY...
* WHAT...Temperatures up to 80 expected.
* WHERE...Haines Highway and Klukwan, City and Borough of
Juneau, Prince of Wales Island, Ketchikan Gateway Borough, and
Annette Island.
* WHEN...From noon to 7 PM AKDT Tuesday.
* IMPACTS...Individuals not accustomed to these unusually warm
temperatures for this region may experience heat related
illnesses.
* ADDITIONAL DETAILS...Daily high temperatures will warm through
Monday, with warmest temperatures expected through mid week.
Warmest temperatures will be inland, away from water.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids and check up on elderly and vulnerable
relatives and neighbors.
Young children and pets should never be left unattended in
vehicles under any circumstances as vehicle interiors can reach
extreme temperatures in as little as 10 minutes
Take extra precautions when working in the sun. Wear sunscreen
and lightweight, loose fitting clothing. Try to limit strenuous
activities to early morning or evening. Take action when you see
symptoms of heat exhaustion and heat stroke
Close curtains during the daytime to reduce sun insulation into
the home and open windows at night to allow the home to cool off.
Utilize fans or community buildings with air conditioning.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
604 AM PDT Mon Sep 1 2025
CAZ300>304-306>314-316-317-319-321-012200-
/O.CON.KHNX.HT.Y.0005.250901T1900Z-250902T0700Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
Caruthers - San Joaquin - Selma-Fresno-Clovis-West Side Mountains
South of 198-Buttonwillow - Lost Hills - I5-Delano-Wasco-Shafter-
Hanford - Corcoran - Lemoore-Visalia - Porterville - Reedley-
Buena Vista-Bakersfield-South End San Joaquin Valley-Mariposa
Madera Foothills-Fresno-Tulare Foothills-South End Sierra
Foothills-
Including the cities of Alpaugh, Lake Mcclure, Sanger,
Bakersfield, Porterville, Lamont, Blackwells Corner, Coalinga,
Fresno, McKittrick, Kingsburg, Arvin, Millerton Lake, Merced, Le
Grand, Selma, Kerman, El Portal, Delano, San Luis Reservoir,
Planada, Taft, Visalia, Madera, Avenal, Hanford, Corcoran,
Goshen, Lemoore, Los Banos, Parlier, Wasco, Buttonwillow,
Shafter, Lost Hills, Tulare, Mariposa, and Atwater
604 AM PDT Mon Sep 1 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT PDT
TONIGHT...
* WHAT...High temperatures up to 106 expected.
* WHERE...Southeast San Joaquin Valley and West Side of Fresno and
Kings Counties.
* WHEN...From noon today to midnight PDT tonight.
* 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.
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.
&&
$$
CMolina
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
604 AM PDT Mon Sep 1 2025
CAZ305-315-012200-
/O.EXA.KHNX.HT.Y.0005.250901T1900Z-250902T0700Z/
West Side of Fresno and Kings Counties-Southeast San Joaquin
Valley-
Including the cities of Lemoore Station, Kettleman City, Five
Points, and Richgrove
604 AM PDT Mon Sep 1 2025
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT PDT TONIGHT...
* WHAT...High temperatures up to 106 expected.
* WHERE...Southeast San Joaquin Valley and West Side of Fresno and
Kings Counties.
* WHEN...From noon today to midnight PDT tonight.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
533 AM PDT Mon Sep 1 2025
CAZ048-050-057-554-020100-
/O.CON.KSGX.HT.Y.0006.250901T1700Z-250903T0100Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Diego County Valleys-Santa Ana Mountains and Foothills-Orange
County Inland Areas-
Including the cities of San Marcos, Fullerton, Anaheim, Orange,
Fontana, Ontario, Corona, Rancho Cucamonga, Escondido, El Cajon,
La Mesa, Moreno Valley, Irvine, Santee, Poway, Riverside, San
Bernardino, Mission Viejo, Santa Ana, and Garden Grove
533 AM PDT Mon Sep 1 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM
PDT TUESDAY...
* WHAT...Temperatures exceeding 100 degrees expected.
* WHERE...Orange County Inland Areas, San Bernardino and Riverside
County Valleys-The Inland Empire, San Diego County Valleys, and
Santa Ana Mountains and Foothills.
* WHEN...From 10 AM this morning to 6 PM PDT Tuesday.
* IMPACTS...Hot temperatures 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.
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.
&&
$$
PS
URGENT - WEATHER MESSAGE
National Weather Service Portland OR
305 AM PDT Mon Sep 1 2025
ORZ120>122-WAZ209-210-020000-
/O.NEW.KPQR.HT.Y.0006.250902T1900Z-250904T0400Z/
West Columbia River Gorge I-84 Corridor-Upper Hood River Valley-
Central Columbia River Gorge I-84 Corridor-West Columbia River
Gorge SR 14 Corridor-Central Columbia River Gorge SR 14 Corridor-
Including the cities of Hood River, Cape Horn, North Bonneville,
Stevenson, Parkdale, Wyeth, Carson, Odell, Beacon Rock SP,
Bonneville, Multnomah Falls, Rooster Rock, Underwood, and Cascade
Locks
305 AM PDT Mon Sep 1 2025
...HEAT ADVISORY IN EFFECT FROM NOON TUESDAY TO 9 PM PDT WEDNESDAY...
* WHAT...Afternoon high temperatures in the mid to upper 90s and
overnight low temperatures in the mid 60s to low 70s expected.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley.
* WHEN...From noon Tuesday to 9 PM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keep windows closed during the day and open at night, unless
air quality is degraded due to wildfire smoke.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or the evening. Take action when you see symptoms of heat
exhaustion and heat stroke.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
For more information from the National Weather Service visit
www.weather.gov/portland
Picard
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
605 PM PDT Sun Aug 31 2025
CAZ038-344-345-353-011800-
/O.CON.KLOX.HT.Y.0007.000000T0000Z-250903T0100Z/
Cuyama Valley-San Luis Obispo County Interior Valleys-San Luis
Obispo County Mountains-Santa Barbara County Interior Mountains-
Including the cities of Caliente Range, Creston, New Cuyama, Big
Pine Mountain, Santa Margarita Lake, La Panza Range, Shandon,
Carrizo Plain, San Rafael Mountain, and Figueroa Mountain
605 PM PDT Sun Aug 31 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY...
* WHAT...Hot daytime conditions with high temperatures of 95 to 105
degrees common, and warm overnight conditions.
* WHERE...Cuyama Valley, San Luis Obispo County Interior Valleys,
San Luis Obispo County Mountains, and Santa Barbara County
Interior Mountains.
* WHEN...Until 6 PM PDT Tuesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...This advisory may need to be extended through
Wednesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Limit strenuous outdoor activities (like hiking) to the early
morning hours. Stay in air conditioned spaces during the heat of the
day. Check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
605 PM PDT Sun Aug 31 2025
CAZ088-356>358-368>376-378-379-548-011800-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-250903T0100Z/
Santa Clarita Valley-Lake Casitas-Ojai Valley-Central Ventura
County Valleys-Los Angeles County Inland Coast including Downtown
Los Angeles-Western Santa Monica Mountains Recreational Area-
Eastern Santa Monica Mountains Recreational Area-Calabasas and
Agoura Hills-Western San Fernando Valley-Eastern San Fernando
Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-
Southern Ventura County Mountains-Interstate 5 Corridor-Western
San Gabriel Mountains and Highway 14 Corridor-Los Angeles County
San Gabriel Valley-
Including the cities of Beverly Hills, Meiners Oaks, Newbury
Park, Pyramid Lake, Fillmore, Glendale, Oat Mountain, Mill Creek,
Northridge, San Gabriel, Matilija, Valencia, La Canada
Flintridge, Oak View, Ojai, Santa Clarita, Van Nuys, Gorman,
Sunland, Norwalk, Pasadena, Tejon Pass, East Los Angeles,
Hollywood, Westlake Village, El Monte, Lake Castaic, Topanga,
Pomona, Burbank, Moorpark, Malibu Bowl, Acton, Universal City,
Downey, Simi Valley, Newhall, Piru, Chatsworth, Compton, Thousand
Oaks, Woodland Hills, Malibu Lake, Warm Springs, Topatopa
Mountains, Rose Valley, Santa Paula, and Culver City
605 PM PDT Sun Aug 31 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY...
* WHAT...Hot daytime conditions with high temperatures of 96 to 107
degrees common, and warm overnight conditions.
* WHERE...A portion of southwest California.
* WHEN...Until 6 PM PDT Tuesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...This advisory may need to be extended through
Wednesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Limit strenuous outdoor activities (like hiking) to the early
morning hours. Stay in air conditioned spaces during the heat of the
day. Check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
605 PM PDT Sun Aug 31 2025
CAZ352-011800-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-250903T0100Z/
Santa Ynez Mountains Eastern Range-
Including the cities of Montecito Hills
605 PM PDT Sun Aug 31 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY...
* WHAT...Daytime temperatures up to 95 degrees expected with warm
overnight low temperatures expected.
* WHERE...Santa Ynez Mountains Eastern Range.
* WHEN...Until 6 PM PDT Tuesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
605 PM PDT Sun Aug 31 2025
CAZ355-011800-
/O.EXT.KLOX.HT.Y.0007.000000T0000Z-250903T0100Z/
Ventura County Inland Coast-
Including the cities of Camarillo and East Ventura
605 PM PDT Sun Aug 31 2025
...HEAT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT TUESDAY...
* WHAT...Daytime temperatures 86 TO 93 degrees expected.
* WHERE...Ventura County Inland Coast.
* WHEN...Until 6 PM PDT Tuesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
605 PM PDT Sun Aug 31 2025
CAZ377-011800-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-250903T0100Z/
Northern Ventura County Mountains-
Including the cities of Ozena, Lockwood Valley, and Mount Pinos
605 PM PDT Sun Aug 31 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY...
* WHAT...Hot daytime conditions with highs 93 to 103 expected.
* WHERE...Northern Ventura County Mountains.
* WHEN...Until 6 PM PDT Tuesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
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.
Limit strenuous outdoor activities (like hiking) to the early
morning hours.
&&
$$
Visit us at http://www.weather.gov/LosAngeles
Phillips
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1240 PM PDT Sun Aug 31 2025
IDZ002-026-WAZ032-035-036-041-043-044-011945-
/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 Nespelem, Wenatchee, Odessa, Disautel
Pass, Peck, Pangborn Airport, Clarkston, Grand Coulee,
Bridgeport, Worley, Lewiston Grade, Chelan, Rockford, Okanogan,
Brewster, Wilbur, Omak, Coeur d`Alene, Alpowa Summit, Culdesac,
Spokane Valley, Post Falls, Cashmere, Harrington, Hayden,
Fairfield, Ritzville, Waterville, Badger Mountain Road, Pomeroy,
Airway Heights, Number 2 Canyon, Lewiston, Lapwai, Creston,
Tonasket, Cheney, Entiat, Mansfield, Davenport, Gifford, Coulee
City, Downtown Spokane, Number 1 Canyon, and Oroville
1240 PM PDT Sun Aug 31 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...Nespelem, Wenatchee, Odessa, Disautel Pass, Peck, Pangborn
Airport, Clarkston, Grand Coulee, Bridgeport, Worley, Lewiston
Grade, Chelan, Rockford, Okanogan, Brewster, Wilbur, Omak, Coeur
d`Alene, Alpowa Summit, Culdesac, Spokane Valley, Post Falls,
Cashmere, Harrington, Hayden, Fairfield, Ritzville, Waterville,
Badger Mountain Road, Pomeroy, Airway Heights, Number 2 Canyon,
Lewiston, Lapwai, Creston, Tonasket, Cheney, Entiat, Mansfield,
Davenport, Gifford, Coulee City, Downtown Spokane, Number 1
Canyon, and Oroville.
* 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.
&&
$$
AS
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1240 PM PDT Sun Aug 31 2025
IDZ003-027-WAZ033-034-038-047-049-011945-
/O.EXB.KOTX.HT.Y.0007.250902T1800Z-250905T0300Z/
Idaho Palouse-Lewis and Southern Nez Perce Counties-Washington
Palouse-Moses Lake Area-Okanogan Highlands-Central Chelan County-
Western Okanogan County-
Including the cities of Winchester, Boulder Creek Road, Methow,
Genesee, Potlatch, Uniontown, Sherman Pass, Rosalia, Craigmont,
Conconully, Plain, Twisp, Plummer, Quincy, Winthrop, Nezperce,
Inchelium, Oakesdale, Pullman, Moscow, Republic, Soldiers Meadow
Road, Othello, Leavenworth, Chesaw Road, Wauconda, Colfax, Tekoa,
Mazama, Ephrata, Kamiah, La Crosse, Moses Lake, Loup Loup Pass,
and Highway 20 Wauconda Summit
1240 PM PDT Sun Aug 31 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 8 PM PDT THURSDAY...
* WHAT...Hot temperatures. High temperatures 95 to 103 degrees.
Limited overnight relief with low temperatures 58 to 65 degrees.
* WHERE...Winchester, Boulder Creek Road, Methow, Genesee, Potlatch,
Uniontown, Sherman Pass, Rosalia, Craigmont, Conconully, Plain,
Twisp, Plummer, Quincy, Winthrop, Nezperce, Inchelium, Oakesdale,
Pullman, Moscow, Republic, Soldiers Meadow Road, Othello,
Leavenworth, Chesaw Road, Wauconda, Colfax, Tekoa, Mazama,
Ephrata, Kamiah, La Crosse, Moses Lake, Loup Loup Pass, and
Highway 20 Wauconda Summit.
* WHEN...From 11 AM Tuesday 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1149 AM PDT Sun Aug 31 2025
CAZ017>019-067-012300-
/O.NEW.KSTO.HT.Y.0005.250901T1900Z-250902T0600Z/
Southern Sacramento Valley-Carquinez Strait and Delta-Northern
San Joaquin Valley-Motherlode-
Including the cities of Grass Valley, Modesto, Sacramento,
Jackson, Stockton, and Fairfield/Suisun
1149 AM PDT Sun Aug 31 2025
...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...
* WHAT...High temperatures 99 to 105 expected. Warm overnight low
temperatures in the 60s to low 70s. Widespread Moderate HeatRisk
with areas of Major HeatRisk.
* WHERE...Motherlode, Northern San Joaquin Valley, and Southern
Sacramento Valley.
* WHEN...From noon to 11 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives, neighbors, and those more
susceptible to heat impacts.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or late evening. Take action when you see symptoms of heat
exhaustion and heat stroke.
&&
$$
For more information, visit us at www.weather.gov/sto/
NR
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1103 AM PDT Sun Aug 31 2025
IDZ007-008-011815-
/O.NEW.KMSO.HT.Y.0008.250901T1900Z-250903T0400Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
1103 AM PDT Sun Aug 31 2025
...HEAT ADVISORY IN EFFECT FROM NOON MONDAY TO 9 PM PDT TUESDAY...
* WHAT...Major risk of heat effects expected.
* WHERE...Lower Hells Canyon/Salmon River Region and Orofino.
* WHEN...From noon Monday to 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.
&&
$$
