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

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WWUS76 KLOX 311607
NPWLOX

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
907 AM PDT Sun Aug 31 2025

CAZ377-010415-
/O.EXA.KLOX.HT.Y.0008.250831T1700Z-250903T0100Z/
Northern Ventura County Mountains-
Including the cities of Ozena, Mount Pinos, and Lockwood Valley
907 AM PDT Sun Aug 31 2025

...HEAT ADVISORY 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.

&&

$$

CAZ368-376-378-379-548-010415-
/O.EXT.KLOX.HT.Y.0008.250831T1700Z-250903T0100Z/
Los Angeles County Inland Coast including Downtown Los Angeles-
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 Norwalk, Rose Valley, Pyramid Lake,
Pomona, Compton, Pasadena, Downey, Matilija, Mill Creek, San
Gabriel, East Los Angeles, El Monte, Warm Springs, Tejon Pass,
Culver City, Acton, Beverly Hills, Topatopa Mountains, Gorman,
and Hollywood
907 AM PDT Sun Aug 31 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT TUESDAY...

* WHAT...Hot daytime conditions with high temperatures 95 to 100
  degrees today and 95 to 103 degrees on Monday and Tuesday. Warm
  overnight conditions are also expected.

* WHERE...Interstate 5 Corridor, Los Angeles County Inland Coast
  including Downtown Los Angeles, Los Angeles County San Gabriel
  Valley, Southern Ventura County Mountains, and Western San Gabriel
  Mountains and Highway 14 Corridor.

* 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.

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.

&&

$$

CAZ038-344-345-353-010415-
/O.CON.KLOX.HT.Y.0007.250831T1700Z-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, Santa Margarita Lake, San
Rafael Mountain, Shandon, Carrizo Plain, Big Pine Mountain, New
Cuyama, Creston, La Panza Range, and Figueroa Mountain
907 AM 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.

&&

$$

CAZ088-356>358-369>375-010415-
/O.CON.KLOX.HT.Y.0008.250831T1700Z-250903T0100Z/
Santa Clarita Valley-Lake Casitas-Ojai Valley-Central Ventura
County Valleys-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-
Including the cities of Northridge, Sunland, Moorpark, Santa
Paula, Van Nuys, Oak View, Simi Valley, Santa Clarita, Burbank,
Newbury Park, Woodland Hills, Fillmore, Piru, Oat Mountain, La
Canada Flintridge, Topanga, Glendale, Universal City, Newhall,
Meiners Oaks, Lake Castaic, Valencia, Malibu Bowl, Thousand Oaks,
Ojai, Chatsworth, Malibu Lake, and Westlake Village
907 AM 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...The Ventura County Valleys, Santa Clarita and San Fernando
  Valleys, and the Santa Monica and Santa Susana 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.

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.

&&

$$

CAZ341>343-347>349-351-010100-
/O.CON.KLOX.HT.Y.0007.250831T1700Z-250901T0100Z/
San Luis Obispo County Inland Central Coast-Santa Lucia Mountains-
Southern Salinas Valley-Santa Barbara County Inland Central Coast-
Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa
Ynez Mountains Western Range-
Including the cities of Gaviota, San Miguel, Buellton, Templeton,
Santa Ynez, Solvang, El Capitan State Beach, Los Olivos, Santa
Maria, Nipomo, Atascadero, San Luis Obispo, Paso Robles, Lake
Cachuma, Jalama Beach, Lake Nacimiento, Lopez Lake, Hearst
Castle, Irish Hills, Refugio State Beach, and San Marcos Pass
907 AM PDT Sun Aug 31 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING...

* WHAT...Hot daytime conditions with high temperatures from 85 to 95
  coastal plains to 95 to 105 degrees valleys and hills.

* WHERE...San Luis Obispo County Inland Central Coast, Santa Barbara
  County Inland Central Coast, Santa Barbara County Southwestern
  Coast, Santa Lucia Mountains, Santa Ynez Mountains Western Range,
  Santa Ynez Valley, and Southern Salinas Valley.

* WHEN...Until 6 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.

* 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.

&&

$$

CAZ352-010415-
/O.CON.KLOX.HT.Y.0008.250831T1700Z-250901T1700Z/
Santa Ynez Mountains Eastern Range-
Including the cities of Montecito Hills
907 AM PDT Sun Aug 31 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT MONDAY...

* WHAT...Daytime temperatures up to 95 degrees expected with warm
  overnight low temperatures expected.

* WHERE...Santa Ynez Mountains Eastern Range.

* WHEN...Until 10 AM PDT Monday.

* 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.

&&

$$

CAZ355-010100-
/O.CON.KLOX.HT.Y.0007.250831T1700Z-250901T0100Z/
Ventura County Inland Coast-
Including the cities of Camarillo and East Ventura
907 AM PDT Sun Aug 31 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING...

* WHAT...Daytime temperatures up to 90 degrees expected.

* WHERE...Ventura County Inland Coast.

* WHEN...Until 6 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.

&&

$$

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