416
WWUS76 KSGX 221036
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
336 AM PDT Fri Aug 22 2025

CAZ060-222230-
/O.CON.KSGX.XH.W.0003.000000T0000Z-250824T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Lucerne Valley, Hesperia,
and Apple Valley
336 AM PDT Fri Aug 22 2025

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

* WHAT...Dangerously hot conditions with temperatures up to 106
  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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

CAZ061-062-065-222230-
/O.CON.KSGX.XH.W.0003.000000T0000Z-250824T0300Z/
Coachella Valley-San Diego County Deserts-San Gorgonio Pass near
Banning-
Including the cities of Cathedral City, Palm Springs, Coachella,
La Quinta, Borrego Springs, Indio, Palm Desert Country, and Palm
Desert
336 AM PDT Fri Aug 22 2025

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

* WHAT...Dangerously hot conditions with temperatures up to 114
  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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

CAZ048-222230-
/O.CON.KSGX.HT.Y.0005.000000T0000Z-250824T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Corona, San Bernardino, Riverside,
Ontario, Moreno Valley, Rancho Cucamonga, and Fontana
336 AM PDT Fri Aug 22 2025

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

* WHAT...Temperatures up to 106 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

CAZ050-222230-
/O.CON.KSGX.HT.Y.0005.000000T0000Z-250823T0300Z/
San Diego County Valleys-
Including the cities of Santee, La Mesa, El Cajon, San Marcos,
Poway, and Escondido
336 AM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 102 for the inland valleys expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT this evening.

* 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

CAZ055-056-058-222230-
/O.CON.KSGX.HT.Y.0005.000000T0000Z-250823T0300Z/
San Bernardino County Mountains-Riverside County Mountains-San
Diego County Mountains-
Including the cities of Wrightwood, Crestline, Big Bear Lake,
Lake Arrowhead, Pine Valley, Running Springs, Idyllwild-Pine
Cove, Julian, and Big Bear City
336 AM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 100 below 5500 feet expected.

* WHERE...Riverside County Mountains, San Bernardino County
  Mountains, and San Diego County Mountains.

* WHEN...Until 8 PM PDT this evening.

* 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

CAZ057-554-222230-
/O.CON.KSGX.HT.Y.0005.000000T0000Z-250823T0300Z/
Santa Ana Mountains and Foothills-Orange County Inland Areas-
Including the cities of Mission Viejo, Garden Grove, Anaheim,
Irvine, Santa Ana, Orange, and Fullerton
336 AM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 95 expected.

* WHERE...Orange County Inland Areas and Santa Ana Mountains and
  Foothills.

* WHEN...Until 8 PM PDT this evening.

* 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

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