474
WWUS76 KSGX 071809
NPWSGX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1109 AM PDT MON SEP 7 2026
CAZ061-062-065-080515-
/O.NEW.KSGX.XH.W.0009.260909T1700Z-260912T0300Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR
BANNING-
INCLUDING THE CITIES OF COACHELLA, PALM SPRINGS, PALM DESERT COUNTRY,
BANNING, BORREGO SPRINGS, LA QUINTA, DESERT HOT SPRINGS, CATHEDRAL
CITY, INDIO, AND PALM DESERT
1109 AM PDT MON SEP 7 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT
FRIDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES UP TO 110
DEGREES EXPECTED AND OVERNIGHT LOW TEMPERATURES IN THE MID-80S TO
LOW 90S.
* WHERE...COACHELLA VALLEY, SAN DIEGO COUNTY DESERTS, AND SAN
GORGONIO PASS NEAR BANNING.
* WHEN...FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...AREAS OF MAJOR HEATRISK. ELEVATED LOWS WILL
LIMIT OVERNIGHT RELIEF FROM THE HEAT.
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.
CAZ043-552-080515-
/O.NEW.KSGX.HT.Y.0011.260908T1700Z-260911T0300Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
INCLUDING THE CITIES OF CHULA VISTA, NATIONAL CITY, VISTA, SAN DIEGO,
ENCINITAS, HUNTINGTON BEACH, CARLSBAD, COSTA MESA, AND OCEANSIDE
1109 AM PDT MON SEP 7 2026
..HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY
* WHAT...HIGH TEMPERATURES 85 TO 95 DEGREES EXPECTED AND OVERNIGHT
LOWS IN THE MID 70S.
* WHERE...ORANGE COUNTY COASTAL AREAS AND SAN DIEGO COUNTY COASTAL
AREAS.
* WHEN...FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...MODERATE TO MAJOR HEATRISK. ELEVATED OVERNIGHT
LOWS WILL LIMIT RELIEF FROM THE HEAT.
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.
CAZ048-080515-
/O.NEW.KSGX.HT.Y.0011.260908T1700Z-260911T0300Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
INCLUDING THE CITIES OF SAN BERNARDINO, RIVERSIDE, CORONA, ONTARIO,
FONTANA, MORENO VALLEY, AND RANCHO CUCAMONGA
1109 AM PDT MON SEP 7 2026
..HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY
* WHAT...HIGH TEMPERATURES IN THE UPPER 90S TO 103 DEGREES EXPECTED
OVERNIGHT LOW TEMPERATURES IN THE MID-70S.
* WHERE...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND
EMPIRE.
* WHEN...FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...MODERATE TO LOCALLY MAJOR HEATRISK. ELEVATED
LOW TEMPERATURES WILL LIMIT OVERNIGHT RELIEF FROM THE HEAT.
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.
CAZ050-080515-
/O.NEW.KSGX.HT.Y.0011.260908T1700Z-260911T0300Z/
SAN DIEGO COUNTY VALLEYS-
INCLUDING THE CITIES OF SAN MARCOS, POWAY, ESCONDIDO, LA MESA, EL
CAJON, AND SANTEE
1109 AM PDT MON SEP 7 2026
..HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY
* WHAT...HIGH TEMPERATURES IN THE UPPER 90S TO 100 DEGREES EXPECTED
AND OVERNIGHT LOWS IN THE LOW TO MID 70S.
* WHERE...SAN DIEGO COUNTY VALLEYS.
* WHEN...FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...MODERATE TO MAJOR HEATRISK. ELEVATED LOWS WILL
LIMIT OVERNIGHT RELIEF FROM THE HEAT.
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.
CAZ056-058-080515-
/O.NEW.KSGX.HT.Y.0011.260908T1700Z-260911T0300Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY
1109 AM PDT MON SEP 7 2026
..HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY
* WHAT...HIGH TEMPERATURES IN THE UPPER 80S TO LOW 90S EXPECTED AND
OVERNIGHT LOWS IN THE 70S BELOW 5000 FT.
* WHERE...RIVERSIDE COUNTY MOUNTAINS AND SAN DIEGO COUNTY MOUNTAINS.
* WHEN...FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...MODERATE HEATRISK. ELEVATED LOWS WILL LIMIT
OVERNIGHT RELIEF FROM THE HEAT.
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.
CAZ057-554-080515-
/O.NEW.KSGX.HT.Y.0011.260908T1700Z-260911T0300Z/
SANTA ANA MOUNTAINS AND FOOTHILLS-ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF ORANGE, MISSION VIEJO, IRVINE, FULLERTON,
SANTA ANA, ANAHEIM, AND GARDEN GROVE
1109 AM PDT MON SEP 7 2026
..HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY
* WHAT...HIGH TEMPERATURES IN THE MID TO UPPER 90S EXPECTED AND
OVERNIGHT LOWS IN THE MID-70S.
* WHERE...ORANGE COUNTY INLAND AREAS AND SANTA ANA MOUNTAINS AND
FOOTHILLS.
* WHEN...FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...MODERATE TO MAJOR HEATRISK. ELEVATED LOW
TEMPERATURES WILL LIMIT OVERNIGHT RELIEF FROM THE HEAT.
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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