Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Los Angeles, CA

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959
WWUS76 KLOX 222200
NPWLOX

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
300 PM PDT Fri Aug 22 2025

CAZ038-088-342>345-348-353-369-371>383-548-231000-
/O.CON.KLOX.XH.W.0002.000000T0000Z-250825T0400Z/
Cuyama Valley-Santa Clarita Valley-Santa Lucia Mountains-Southern
Salinas Valley-San Luis Obispo County Interior Valleys-San Luis
Obispo County Mountains-Santa Ynez Valley-Santa Barbara County
Interior Mountains-Western 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-Northern
Ventura County Mountains-Interstate 5 Corridor-Western San
Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel
Mountains-Western Antelope Valley Foothills-Eastern Antelope
Valley Foothills-Antelope Valley-Los Angeles County San Gabriel
Valley-
Including the cities of Rose Valley, Caliente Range, Northridge,
Templeton, Thousand Oaks, Oat Mountain, Westlake Village,
Pasadena, Pearblossom, Santa Ynez, Figueroa Mountain, Newbury
Park, Carrizo Plain, Chatsworth, Simi Valley, Malibu Bowl, Lake
Los Angeles, San Gabriel, Universal City, Lancaster, Acton,
Elizabeth Lake, Newhall, Valencia, Mount Wilson, Van Nuys,
Valyermo, Topatopa Mountains, The Angeles Crest Highway, New
Cuyama, Lake Nacimiento, Woodland Hills, Hearst Castle, Tejon
Pass, Lockwood Valley, Gorman, Mill Creek, Ozena, Big Pine
Mountain, Malibu Lake, East Los Angeles, San Miguel, Lake
Cachuma, El Monte, Burbank, San Rafael Mountain, Moorpark, Warm
Springs, Lake Palmdale, Lake Castaic, Santa Margarita Lake,
Atascadero, Solvang, Pyramid Lake, Mount Pinos, Mount Baldy,
Glendale, Llano, Pomona, Palmdale, Los Olivos, La Panza Range,
Irish Hills, Santa Clarita, Wrightwood, Creston, Paso Robles,
Matilija, La Canada Flintridge, Shandon, and Sunland
300 PM PDT Fri Aug 22 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SUNDAY...

* WHAT...Dangerously hot daytime conditions with high temperatures
  of 95 to 110 degrees expected, and warm overnight conditions.

* WHERE...For many valleys and interior mountains of southwest
  California.

* WHEN...Until 9 PM PDT Sunday.

* IMPACTS...There is a high risk for dangerous heat illness for
  anyone, especially for 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

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.

Stay cool, stay hydrated, stay informed.

Monitor the latest forecasts and warnings for updates.

&&

$$

CAZ351-352-368-370-231000-
/O.CON.KLOX.XH.W.0002.000000T0000Z-250825T0400Z/
Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern
Range-Los Angeles County Inland Coast including Downtown Los
Angeles-Eastern Santa Monica Mountains Recreational Area-
Including the cities of Beverly Hills, Downey, Norwalk, Topanga,
San Marcos Pass, Culver City, Compton, Hollywood, and Montecito
Hills
300 PM PDT Fri Aug 22 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SUNDAY...

* WHAT...Dangerously hot daytime conditions with high temperatures
  of 90 to 100 degrees expected, and warm overnight conditions.

* WHERE...Eastern Santa Monica Mountains Recreational Area, Los
  Angeles County Inland Coast including Downtown Los Angeles, Santa
  Ynez Mountains.

* WHEN...Until 9 PM PDT Sunday.

* IMPACTS...There is a high risk for dangerous heat illness for
  anyone, especially for 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

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.

Stay cool, stay hydrated, stay informed.

Monitor the latest forecasts and warnings for updates.



&&

$$

CAZ367-231000-
/O.EXT.KLOX.HT.Y.0006.000000T0000Z-250824T0400Z/
Palos Verdes Hills-
Including the cities of Rancho Palos Verdes
300 PM PDT Fri Aug 22 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT SATURDAY...

* WHAT...Hot daytime conditions with high temperatures of 85 to 95
  degrees expected, and warm overnight conditions.

* WHERE...Palos Verdes Hills.

* WHEN...Until 9 PM PDT Saturday.

* 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 is a correction to the previous
  statement, which intended to extend Palos Verdes through Saturday.

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.

&&

$$

CAZ087-349-350-354-355-362-366-231000-
/O.CON.KLOX.HT.Y.0006.000000T0000Z-250824T0400Z/
Catalina and Santa Barbara Islands-Santa Barbara County
Southwestern Coast-Santa Barbara County Southeastern Coast-
Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-
Los Angeles County Beaches-
Including the cities of Camarillo, LAX, Santa Monica, Torrance,
Long Beach, Jalama Beach, Redondo Beach, Point Mugu, El Capitan
State Beach, Gaviota, Refugio State Beach, Montecito, Malibu,
Pacific Palisades, Oxnard, Ventura, Goleta, Carpinteria, East
Ventura, Avalon, Port Hueneme, and Santa Barbara
300 PM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY...

* WHAT...Hot daytime conditions with high temperatures of 85 to 95
  degrees expected, and warm overnight conditions.

* WHERE...Catalina and Santa Barbara Islands, Los Angeles County
  Beaches, Malibu Coast, Santa Barbara County Southeastern Coast,
  Santa Barbara County Southwestern Coast, Ventura County Beaches,
  and Ventura County Inland Coast.

* WHEN...Until 9 PM PDT Saturday.

* 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.

&&

$$

CAZ341-347-230400-
/O.CON.KLOX.HT.Y.0006.000000T0000Z-250823T0400Z/
San Luis Obispo County Inland Central Coast-Santa Barbara County
Inland Central Coast-
Including the cities of Santa Maria, Buellton, San Luis Obispo,
Lopez Lake, and Nipomo
300 PM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...

* WHAT...Hot daytime conditions with high temperatures of 85 to 95
  degrees expected, and warm overnight conditions.

* WHERE...San Luis Obispo County Inland Central Coast and Santa
  Barbara County Inland Central Coast.

* WHEN...Until 9 PM PDT this evening.

* 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.

&&

$$

CAZ356>358-231000-
/O.CON.KLOX.HT.Y.0006.000000T0000Z-250825T0400Z/
Lake Casitas-Ojai Valley-Central Ventura County Valleys-
Including the cities of Meiners Oaks, Piru, Ojai, Fillmore, Santa
Paula, and Oak View
300 PM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT SUNDAY...

* WHAT...Hot daytime conditions with high temperatures of 95 to 105
  degrees expected, and warm overnight conditions.

* WHERE...Central Ventura County Valleys, Lake Casitas, and Ojai
  Valley.

* WHEN...Until 9 PM PDT Sunday.

* 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.

&&

$$

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