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

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021
WWUS76 KLOX 110830
NPWLOX

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
130 AM PDT Mon Aug 11 2025

CAZ381>383-112030-
/O.CON.KLOX.XH.W.0001.000000T0000Z-250813T0400Z/
Western Antelope Valley Foothills-Eastern Antelope Valley
Foothills-Antelope Valley-
Including the cities of Llano, Lake Palmdale, Pearblossom, Lake
Los Angeles, Lancaster, Elizabeth Lake, Palmdale, and Valyermo
130 AM PDT Mon Aug 11 2025

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

* WHAT...Dangerously hot conditions with temperatures up to 110
  expected, warmest on Monday. Also, overnight temperatures will
  remain in the 80s in the foothills above 3000 feet elevation.

* WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and
  Western Antelope Valley Foothills.

* WHEN...Until 9 PM PDT Tuesday.

* 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.

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.

Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ351-112030-
/O.NEW.KLOX.WI.Y.0068.250812T0100Z-250812T1000Z/
/O.CON.KLOX.HT.Y.0005.000000T0000Z-250813T0400Z/
Santa Ynez Mountains Western Range-
Including the cities of San Marcos Pass
130 AM PDT Mon Aug 11 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY...
...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
TUESDAY...

* WHAT...For the Heat Advisory, daytime high temperatures in the 80s
  and 90s at high elevation to the mid 90s to near 105 degrees in
  the foothills and high valleys. Overnight low temperatures will be
  in the 70s to low 80s. For the Wind Advisory, northwest winds 15
  to 30 mph with gusts up to 45 mph expected.

* WHERE...Santa Ynez Mountains Western Range.

* WHEN...For the Heat Advisory, until 9 PM PDT Tuesday. For the Wind
  Advisory, from 6 PM this evening to 3 AM PDT Tuesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  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...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

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.

&&

$$

CAZ349-112030-
/O.NEW.KLOX.WI.Y.0068.250812T0100Z-250812T1000Z/
Santa Barbara County Southwestern Coast-
Including the cities of Jalama Beach, El Capitan State Beach,
Gaviota, and Refugio State Beach
130 AM PDT Mon Aug 11 2025

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
TUESDAY...

* WHAT...Northwest winds 15 to 30 mph with gusts up to 45 mph
  expected.

* WHERE...Santa Barbara County Southwestern Coast.

* WHEN...From 6 PM this evening to 3 AM PDT Tuesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

CAZ038-352-353-376>380-112030-
/O.CON.KLOX.HT.Y.0005.000000T0000Z-250813T0400Z/
Cuyama Valley-Santa Ynez Mountains Eastern Range-Santa Barbara
County Interior Mountains-Southern Ventura County Mountains-
Northern Ventura County Mountains-Interstate 5 Corridor-Western
San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel
Mountains-
Including the cities of Warm Springs, Pyramid Lake, Mill Creek,
Gorman, Rose Valley, San Rafael Mountain, Matilija, Ozena, The
Angeles Crest Highway, Lockwood Valley, Mount Baldy, Montecito
Hills, Big Pine Mountain, Wrightwood, New Cuyama, Acton, Figueroa
Mountain, Mount Pinos, Tejon Pass, Mount Wilson, and Topatopa
Mountains
130 AM PDT Mon Aug 11 2025

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

* WHAT...Daytime high temperatures in the 80s and 90s at high
  elevation to the mid 90s to near 105 degrees in the foothills and
  high valleys. Overnight low temperatures will be in the 70s to low
  80s.

* WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5
  Corridor, Northern Ventura County Mountains, Santa Barbara County
  Interior Mountains, Santa Ynez Mountains Eastern Range, Southern
  Ventura County Mountains, and Western San Gabriel Mountains and
  Highway 14 Corridor.

* WHEN...Until 9 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.

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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