WWUS76 KSGX 051950

NPWSGX



URGENT - WEATHER MESSAGE

National Weather Service San Diego CA

1250 PM PDT Wed Aug 5 2026



CAZ060-060515-

/O.CON.KSGX.XH.W.0007.000000T0000Z-260809T0300Z/

Apple and Lucerne Valleys-

Including the cities of Apple Valley, Victorville, Lucerne

Valley, and Hesperia

1250 PM PDT Wed Aug 5 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...



* WHAT...Dangerously hot conditions with high temperatures of 100 to 

  110 expected.



* WHERE...Apple and Lucerne Valleys.



* WHEN...Until 8 PM PDT Saturday.



* 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.



&&



$$



CAZ061-062-065-060515-

/O.CON.KSGX.XH.W.0007.000000T0000Z-260809T0300Z/

Coachella Valley-San Diego County Deserts-San Gorgonio Pass near

Banning-

Including the cities of Cathedral City, Palm Springs, Palm Desert

Country, Coachella, La Quinta, Borrego Springs, Indio, and Palm

Desert

1250 PM PDT Wed Aug 5 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...



* WHAT...Dangerously hot conditions with high temperatures of 110 to 

  116 expected.



* WHERE...Coachella Valley, San Diego County Deserts, and San 

  Gorgonio Pass near Banning.



* WHEN...Until 8 PM PDT Saturday.



* 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.



&&



$$



CAZ048-060515-

/O.CON.KSGX.HT.Y.0008.000000T0000Z-260809T0300Z/

San Bernardino and Riverside County Valleys-The Inland Empire-

Including the cities of Moreno Valley, Corona, Riverside,

Ontario, Fontana, San Bernardino, and Rancho Cucamonga

1250 PM PDT Wed Aug 5 2026



...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...



* WHAT...High temperatures in the mid 90s to 105 expected.



* WHERE...San Bernardino and Riverside County Valleys-The Inland 

  Empire.



* WHEN...Until 8 PM PDT Saturday.



* 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.



&&



$$



CAZ055-060515-

/O.CON.KSGX.HT.Y.0008.000000T0000Z-260809T0300Z/

San Bernardino County Mountains-

Including the cities of Lake Arrowhead, Wrightwood, Running

Springs, Big Bear City, Crestline, and Big Bear Lake

1250 PM PDT Wed Aug 5 2026



...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...



* 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 Saturday.



* 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.



&&



$$



CAZ056-060515-

/O.CON.KSGX.HT.Y.0008.000000T0000Z-260809T0300Z/

Riverside County Mountains-

Including the cities of Idyllwild-Pine Cove

1250 PM PDT Wed Aug 5 2026



...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...



* WHAT...High temperatures mostly in the mid 80s to upper 90s below 

  6500 feet expected.



* WHERE...Riverside County Mountains.



* WHEN...Until 8 PM PDT Saturday.



* 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.



&&



$$



CAZ058-060515-

/O.CON.KSGX.HT.Y.0008.000000T0000Z-260809T0300Z/

San Diego County Mountains-

Including the cities of Pine Valley and Julian

1250 PM PDT Wed Aug 5 2026



...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...



* WHAT...High temperatures mostly in the mid 80s to upper 90s 

  expected.



* WHERE...San Diego County Mountains.



* WHEN...Until 8 PM PDT Saturday.



* 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.



&&



$$



CO