511
WWUS76 KLOX 230235
NPWLOX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
735 PM PDT SAT AUG 22 2026
CAZ038-231445-
/O.EXA.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
CUYAMA VALLEY-
INCLUDING THE CITIES OF NEW CUYAMA
735 PM PDT SAT AUG 22 2026
..HEAT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM PDT TUESDAY
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...FOR THE HEAT ADVISORY, TEMPERATURES UP TO 99 EXPECTED. FOR
THE EXTREME HEAT WATCH, DANGEROUSLY HOT CONDITIONS WITH
TEMPERATURES UP TO 104 POSSIBLE.
* WHERE...CUYAMA VALLEY.
* WHEN...FOR THE HEAT ADVISORY, FROM 10 AM SUNDAY TO 10 AM PDT
TUESDAY. FOR THE EXTREME HEAT WATCH, FROM TUESDAY MORNING THROUGH
FRIDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS. HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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.
CAZ087-349-350-354-355-362-366>368-231445-
/O.CON.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
CATALINA AND SANTA BARBARA ISLANDS-SANTA BARBARA COUNTY
SOUTHWESTERN COAST-SANTA BARBARA COUNTY SOUTHEASTERN COAST-
VENTURA COUNTY BEACHES-VENTURA COUNTY INLAND COAST-MALIBU COAST-
LOS ANGELES COUNTY BEACHES-PALOS VERDES HILLS-LOS ANGELES COUNTY
INLAND COAST INCLUDING DOWNTOWN LOS ANGELES-
INCLUDING THE CITIES OF POINT MUGU, EL CAPITAN STATE BEACH, GOLETA,
TORRANCE, COMPTON, REDONDO BEACH, NORWALK, VENTURA, OXNARD, PORT
HUENEME, CARPINTERIA, SANTA BARBARA, LAX, REFUGIO STATE BEACH, EAST
VENTURA, HOLLYWOOD, SANTA MONICA, RANCHO PALOS VERDES, CULVER CITY,
LONG BEACH, AVALON, JALAMA BEACH, DOWNEY, MALIBU, PACIFIC PALISADES,
GAVIOTA, CAMARILLO, BEVERLY HILLS, AND MONTECITO
735 PM PDT SAT AUG 22 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 10 AM PDT
TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...FOR THE HEAT ADVISORY, TEMPERATURES UP TO 94 EXPECTED. FOR
THE EXTREME HEAT WATCH, DANGEROUSLY HOT CONDITIONS WITH
TEMPERATURES UP TO 100 POSSIBLE.
* WHERE...CATALINA AND SANTA BARBARA ISLANDS, LOS ANGELES COUNTY
BEACHES, LOS ANGELES COUNTY INLAND COAST INCLUDING DOWNTOWN LOS
ANGELES, MALIBU COAST, PALOS VERDES HILLS, SANTA BARBARA COUNTY
SOUTHEASTERN COAST, SANTA BARBARA COUNTY SOUTHWESTERN COAST,
VENTURA COUNTY BEACHES, AND VENTURA COUNTY INLAND COAST.
* WHEN...FOR THE HEAT ADVISORY, FROM 10 AM SUNDAY TO 10 AM PDT
TUESDAY. FOR THE EXTREME HEAT WATCH, FROM TUESDAY MORNING THROUGH
FRIDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS. HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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.
CAZ088-351>353-356>358-369>376-378>380-548-231445-
/O.CON.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
SANTA CLARITA VALLEY-SANTA YNEZ MOUNTAINS WESTERN RANGE-SANTA
YNEZ MOUNTAINS EASTERN RANGE-SANTA BARBARA COUNTY INTERIOR
MOUNTAINS-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-INTERSTATE 5 CORRIDOR-WESTERN
SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR-EASTERN SAN GABRIEL
MOUNTAINS-LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF LA CANADA FLINTRIDGE, SUNLAND, OJAI, NEWBURY
PARK, SAN GABRIEL, TOPATOPA MOUNTAINS, MALIBU BOWL, MOORPARK,
WRIGHTWOOD, NEWHALL, FIGUEROA MOUNTAIN, THE ANGELES CREST HIGHWAY,
UNIVERSAL CITY, MILL CREEK, EL MONTE, VALENCIA, SANTA CLARITA, SAN
RAFAEL MOUNTAIN, NORTHRIDGE, PYRAMID LAKE, MOUNT BALDY, BIG PINE
MOUNTAIN, SAN MARCOS PASS, MONTECITO HILLS, TOPANGA, BURBANK, EAST
LOS ANGELES, VAN NUYS, CHATSWORTH, FILLMORE, GLENDALE, OAT MOUNTAIN,
THOUSAND OAKS, MOUNT WILSON, TEJON PASS, PIRU, MALIBU LAKE, MEINERS
OAKS, MATILIJA, GORMAN, ACTON, PASADENA, ROSE VALLEY, OAK VIEW, SANTA
PAULA, POMONA, LAKE CASTAIC, SIMI VALLEY, WARM SPRINGS, WOODLAND
HILLS, AND WESTLAKE VILLAGE
735 PM PDT SAT AUG 22 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 10 AM PDT
TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...FOR THE HEAT ADVISORY, TEMPERATURES UP TO 107 EXPECTED. FOR
THE EXTREME HEAT WATCH, DANGEROUSLY HOT CONDITIONS WITH
TEMPERATURES UP TO 112 POSSIBLE.
* WHERE...A PORTION OF SOUTHWEST CALIFORNIA.
* WHEN...FOR THE HEAT ADVISORY, FROM 10 AM SUNDAY TO 10 AM PDT
TUESDAY. FOR THE EXTREME HEAT WATCH, FROM TUESDAY MORNING THROUGH
FRIDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
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.
CAZ381>383-231445-
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
WESTERN ANTELOPE VALLEY FOOTHILLS-EASTERN ANTELOPE VALLEY
FOOTHILLS-ANTELOPE VALLEY-
INCLUDING THE CITIES OF LANCASTER, LAKE PALMDALE, PEARBLOSSOM, LLANO,
VALYERMO, PALMDALE, LAKE LOS ANGELES, AND ELIZABETH LAKE
735 PM PDT SAT AUG 22 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES UP TO 112
POSSIBLE.
* WHERE...ANTELOPE VALLEY, EASTERN ANTELOPE VALLEY FOOTHILLS, AND
WESTERN ANTELOPE VALLEY FOOTHILLS.
* WHEN...FROM TUESDAY MORNING THROUGH FRIDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page