672
WWUS76 KSGX 080449
NPWSGX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
949 PM PDT FRI AUG 7 2026
CAZ060-081315-
/O.CON.KSGX.XH.W.0007.000000T0000Z-260810T0300Z/
APPLE AND LUCERNE VALLEYS-
INCLUDING THE CITIES OF APPLE VALLEY, HESPERIA, LUCERNE VALLEY,
AND VICTORVILLE
949 PM PDT FRI AUG 7 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES OF 100 TO 110
EXPECTED.
* WHERE...APPLE AND LUCERNE VALLEYS.
* WHEN...UNTIL 8 PM PDT SUNDAY.
* 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.
CAZ061-062-065-081315-
/O.CON.KSGX.XH.W.0007.000000T0000Z-260810T0300Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR
BANNING-
INCLUDING THE CITIES OF PALM SPRINGS, PALM DESERT, PALM DESERT
COUNTRY, CATHEDRAL CITY, INDIO, LA QUINTA, COACHELLA, AND BORREGO
SPRINGS
949 PM PDT FRI AUG 7 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES OF 108 TO
114 EXPECTED.
* WHERE...COACHELLA VALLEY, SAN DIEGO COUNTY DESERTS, AND SAN
GORGONIO PASS NEAR BANNING.
* WHEN...UNTIL 8 PM PDT SUNDAY.
* 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.
CAZ048-081315-
/O.CON.KSGX.HT.Y.0008.000000T0000Z-260810T0300Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
INCLUDING THE CITIES OF MORENO VALLEY, FONTANA, SAN BERNARDINO,
CORONA, ONTARIO, RIVERSIDE, AND RANCHO CUCAMONGA
949 PM PDT FRI AUG 7 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY
* WHAT...HIGH TEMPERATURES IN THE MID 90S TO 103 EXPECTED.
* WHERE...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND
EMPIRE.
* WHEN...UNTIL 8 PM PDT SUNDAY.
* IMPACTS...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.
CAZ055-081315-
/O.CON.KSGX.HT.Y.0008.000000T0000Z-260810T0300Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, RUNNING
SPRINGS, BIG BEAR CITY, BIG BEAR LAKE, AND WRIGHTWOOD
949 PM PDT FRI AUG 7 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY
* WHAT...HIGH TEMPERATURES MOSTLY IN THE MID 80S TO UPPER 90S BELOW
6500 FEET EXPECTED.
* WHERE...SAN BERNARDINO COUNTY MOUNTAINS.
* WHEN...UNTIL 8 PM PDT SUNDAY.
* IMPACTS...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.
CAZ056-081315-
/O.CON.KSGX.HT.Y.0008.000000T0000Z-260810T0300Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE CITIES OF IDYLLWILD-PINE COVE
949 PM PDT FRI AUG 7 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY
* WHAT...HIGH TEMPERATURES MOSTLY IN THE MID 80S TO UPPER 90S BELOW
6500 FEET EXPECTED.
* WHERE...RIVERSIDE COUNTY MOUNTAINS.
* WHEN...UNTIL 8 PM PDT SUNDAY.
* IMPACTS...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.
CAZ058-081315-
/O.CON.KSGX.HT.Y.0008.000000T0000Z-260810T0300Z/
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY
949 PM PDT FRI AUG 7 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY
* WHAT...HIGH TEMPERATURES MOSTLY IN THE MID 80S TO UPPER 90S
EXPECTED.
* WHERE...SAN DIEGO COUNTY MOUNTAINS.
* WHEN...UNTIL 8 PM PDT SUNDAY.
* IMPACTS...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.
CAZ050-081315-
/O.CON.KSGX.HT.Y.0008.260808T1700Z-260810T0300Z/
SAN DIEGO COUNTY VALLEYS-
INCLUDING THE CITIES OF LA MESA, ESCONDIDO, SAN MARCOS, EL CAJON,
POWAY, AND SANTEE
949 PM PDT FRI AUG 7 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8 PM PDT
SUNDAY...
* WHAT...HIGH TEMPERATURES IN THE MID TO UPPER 90S, LOCALLY UP TO
100 DEGREES EAST OF INTERSTATE 15.
* WHERE...SAN DIEGO COUNTY VALLEYS.
* WHEN...FROM 10 AM SATURDAY TO 8 PM PDT SUNDAY.
* IMPACTS...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.
CAZ057-554-081315-
/O.CON.KSGX.HT.Y.0008.260808T1700Z-260810T0300Z/
SANTA ANA MOUNTAINS AND FOOTHILLS-ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF ANAHEIM, ORANGE, SANTA ANA, GARDEN GROVE,
MISSION VIEJO, IRVINE, AND FULLERTON
949 PM PDT FRI AUG 7 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8 PM PDT
SUNDAY...
* WHAT...HIGH TEMPERATURES IN THE LOW 90S EAST OF INTERSTATE 5. HIGH
TEMPERATURES IN THE MID-90S IN THE SANTA ANA MOUNTAINS.
* WHERE...ORANGE COUNTY INLAND AREAS AND SANTA ANA MOUNTAINS AND
FOOTHILLS.
* WHEN...FROM 10 AM SATURDAY TO 8 PM PDT SUNDAY.
* IMPACTS...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.
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