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

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654
WWUS76 KLOX 220911
NPWLOX

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

CAZ038-088-342>345-348-353-369-371>383-548-230400-
/O.CON.KLOX.XH.W.0002.000000T0000Z-250824T0400Z/
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 Santa Margarita Lake, La Panza Range,
Tejon Pass, Mount Wilson, Woodland Hills, Glendale, Wrightwood,
Pasadena, Van Nuys, Matilija, Irish Hills, Malibu Lake, La Canada
Flintridge, Westlake Village, Valyermo, Caliente Range, Creston,
Big Pine Mountain, Newbury Park, Oat Mountain, Mill Creek,
Lancaster, Moorpark, Universal City, Templeton, Los Olivos, Mount
Baldy, East Los Angeles, San Gabriel, Ozena, Lake Castaic, Rose
Valley, Santa Ynez, Atascadero, Burbank, Newhall, Warm Springs,
The Angeles Crest Highway, Sunland, Pomona, New Cuyama,
Northridge, San Miguel, Solvang, Thousand Oaks, Pearblossom,
Palmdale, Llano, Topatopa Mountains, Elizabeth Lake, Santa
Clarita, Paso Robles, Mount Pinos, Lake Palmdale, Lake Los
Angeles, San Rafael Mountain, Lake Nacimiento, Hearst Castle,
Acton, Gorman, Lockwood Valley, Malibu Bowl, Shandon, Carrizo
Plain, Valencia, Figueroa Mountain, Simi Valley, Pyramid Lake,
Chatsworth, Lake Cachuma, and El Monte
211 AM PDT Fri Aug 22 2025

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

* WHAT...Dangerously hot conditions with temperatures of 95 to 110
  degrees expected.

* WHERE...A portion of southwest California.

* WHEN...Until 9 PM PDT Saturday.

* 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.

* ADDITIONAL DETAILS...There is a chance that an advisory or warning
  will be needed on Sunday.

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.

&&

$$

CAZ351-352-368-370-230400-
/O.CON.KLOX.XH.W.0002.000000T0000Z-250824T0400Z/
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 Compton, Montecito Hills, Downey, Culver
City, Beverly Hills, Topanga, Norwalk, San Marcos Pass, and
Hollywood
211 AM PDT Fri Aug 22 2025

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

* WHAT...Dangerously hot conditions with temperatures up to 98.

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

* WHEN...Until 9 PM PDT Saturday.

* 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.

* ADDITIONAL DETAILS...There is a chance that an advisory or warning
  will be needed on Sunday.

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.



&&

$$

CAZ341-347-367-230400-
/O.CON.KLOX.HT.Y.0006.000000T0000Z-250823T0400Z/
San Luis Obispo County Inland Central Coast-Santa Barbara County
Inland Central Coast-Palos Verdes Hills-
Including the cities of Buellton, San Luis Obispo, Nipomo, Rancho
Palos Verdes, Lopez Lake, and Santa Maria
211 AM PDT Fri Aug 22 2025

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

* WHAT...Temperatures of 90 to 105 degrees expected.

* WHERE...Palos Verdes Hills, 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.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$

CAZ356>358-230400-
/O.CON.KLOX.HT.Y.0006.000000T0000Z-250824T0400Z/
Lake Casitas-Ojai Valley-Central Ventura County Valleys-
Including the cities of Fillmore, Oak View, Santa Paula, Meiners
Oaks, Ojai, and Piru
211 AM PDT Fri Aug 22 2025

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

* WHAT...Temperatures up to 100.

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

* 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.

&&

$$

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