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

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394
WWUS76 KLOX 021947
NPWLOX

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1247 PM PDT Tue Sep 2 2025

CAZ088-356>358-368>375-548-040100-
/O.EXT.KLOX.HT.Y.0008.000000T0000Z-250904T0100Z/
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-
Los Angeles County San Gabriel Valley-
Including the cities of Ojai, Sunland, East Los Angeles,
Pasadena, Beverly Hills, Newbury Park, Piru, Woodland Hills, San
Gabriel, Oat Mountain, Pomona, Compton, Glendale, Van Nuys, El
Monte, Malibu Lake, Oak View, Burbank, Universal City, Meiners
Oaks, Downey, La Canada Flintridge, Culver City, Westlake
Village, Santa Paula, Simi Valley, Fillmore, Northridge, Malibu
Bowl, Valencia, Thousand Oaks, Norwalk, Santa Clarita, Lake
Castaic, Chatsworth, Moorpark, Newhall, Hollywood, and Topanga
1247 PM PDT Tue Sep 2 2025

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

* WHAT...Hot daytime conditions with high temperatures of 92 to 102
  degrees common, and very warm overnight conditions.

* WHERE...Coastal valleys of Los Angeles and Ventura Counties, as
  well as the Los Angeles inland coastal plain.

* WHEN...Until 6 PM PDT Wednesday.

* 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...

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.

&&

$$

CAZ355-040100-
/O.EXT.KLOX.HT.Y.0007.000000T0000Z-250904T0100Z/
Ventura County Inland Coast-
Including the cities of East Ventura and Camarillo
1247 PM PDT Tue Sep 2 2025

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

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

* WHERE...Ventura County Inland Coast.

* WHEN...Until 6 PM PDT Wednesday.

* 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...

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.

&&

$$

CAZ038-344-345-353-030100-
/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 La Panza Range, Figueroa Mountain,
Creston, Carrizo Plain, Santa Margarita Lake, Big Pine Mountain,
Caliente Range, San Rafael Mountain, New Cuyama, and Shandon
1247 PM PDT Tue Sep 2 2025

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

* WHAT...Hot daytime conditions with high temperatures of 92 to 102
  degrees common.

* 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 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...

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.

&&

$$

CAZ352-030100-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-250903T0100Z/
Santa Ynez Mountains Eastern Range-
Including the cities of Montecito Hills
1247 PM PDT Tue Sep 2 2025

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

* WHAT...Hot daytime conditions with high temperatures of 90 to 95
  degrees common.

* WHERE...Santa Ynez Mountains Eastern Range.

* 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...

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.

&&

$$

CAZ376>379-030100-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-250903T0100Z/
Southern Ventura County Mountains-Northern Ventura County
Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and
Highway 14 Corridor-
Including the cities of Matilija, Ozena, Tejon Pass, Mount Pinos,
Mill Creek, Warm Springs, Acton, Gorman, Topatopa Mountains, Rose
Valley, Pyramid Lake, and Lockwood Valley
1247 PM PDT Tue Sep 2 2025

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

* WHAT...Hot daytime conditions with high temperatures of 92 to 102
  degrees common, and warm overnight conditions.

* WHERE...Ventura County Mountains, the I-5 Corridor, and the
  western San Gabriel Mountains.

* 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...

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.

&&

$$

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