Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1211 AM PDT Tue Jul 21 2026

CAZ088-356>358-369>382-548-220000-
/O.CON.KLOX.HT.Y.0010.260722T1700Z-260723T0300Z/
/O.CON.KLOX.XH.A.0004.260723T0300Z-260728T0300Z/
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-
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-Los
Angeles County San Gabriel Valley-
Including the cities of Newhall, Lockwood Valley, Newbury Park,
La Canada Flintridge, Meiners Oaks, Chatsworth, Matilija,
Moorpark, Northridge, Pearblossom, Sunland, Santa Clarita, Mount
Baldy, Thousand Oaks, El Monte, East Los Angeles, Oak View,
Ozena, Rose Valley, Van Nuys, Valencia, Pyramid Lake, Elizabeth
Lake, Valyermo, Pomona, San Gabriel, Tejon Pass, Burbank, Llano,
Mount Pinos, Piru, Mount Wilson, Mill Creek, Oat Mountain,
Topanga, Gorman, The Angeles Crest Highway, Glendale, Westlake
Village, Simi Valley, Lake Palmdale, Topatopa Mountains, Ojai,
Malibu Lake, Woodland Hills, Universal City, Acton, Wrightwood,
Warm Springs, Fillmore, Pasadena, Malibu Bowl, Santa Paula, and
Lake Castaic
1211 AM PDT Tue Jul 21 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT
WEDNESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH MONDAY EVENING...

* WHAT...For the Heat Advisory, temperatures between 93 to 103
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with temperatures between 97 and 107 possible.

* WHERE...A portion of southwest California.

* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.
  For the Extreme Heat Watch, from Wednesday evening through Monday
  evening.

* 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. 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
1211 AM PDT Tue Jul 21 2026

CAZ088-356>358-369>382-548-220000-
/O.CON.KLOX.HT.Y.0010.260722T1700Z-260723T0300Z/
/O.CON.KLOX.XH.A.0004.260723T0300Z-260728T0300Z/
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-
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-Los
Angeles County San Gabriel Valley-
Including the cities of Newhall, Lockwood Valley, Newbury Park,
La Canada Flintridge, Meiners Oaks, Chatsworth, Matilija,
Moorpark, Northridge, Pearblossom, Sunland, Santa Clarita, Mount
Baldy, Thousand Oaks, El Monte, East Los Angeles, Oak View,
Ozena, Rose Valley, Van Nuys, Valencia, Pyramid Lake, Elizabeth
Lake, Valyermo, Pomona, San Gabriel, Tejon Pass, Burbank, Llano,
Mount Pinos, Piru, Mount Wilson, Mill Creek, Oat Mountain,
Topanga, Gorman, The Angeles Crest Highway, Glendale, Westlake
Village, Simi Valley, Lake Palmdale, Topatopa Mountains, Ojai,
Malibu Lake, Woodland Hills, Universal City, Acton, Wrightwood,
Warm Springs, Fillmore, Pasadena, Malibu Bowl, Santa Paula, and
Lake Castaic
1211 AM PDT Tue Jul 21 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT
WEDNESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH MONDAY EVENING...

* WHAT...For the Heat Advisory, temperatures between 93 to 103
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with temperatures between 97 and 107 possible.

* WHERE...A portion of southwest California.

* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.
  For the Extreme Heat Watch, from Wednesday evening through Monday
  evening.

* 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. 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.

&&

$$

Hazard Report Provided By forecast.weather.gov