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Excessive Heat Warning — Coachella Valley, CA, San Diego County Deserts, CA, San Bernardino and Riverside County Valleys-The Inland Empire, CA, San Diego County Inland Valleys, CA, San Bernardino County Mountains, CA, Riverside County Mountains, CA, Santa Ana Mountains and Foothills, CA, San Diego County Mountains, CA, San Gorgonio Pass Near Banning, CA, Orange County Inland, CA, San Diego County Coastal Areas, CA, Orange County Coastal, CA
Issued
12:00 PM CDT · Tue, Jul 14 2026
Expires
10:00 PM CDT · Thu, Jul 16 2026
Issuing Office
NWS KSGX

Affected Areas

Coachella Valley, CA San Diego County Deserts, CA San Bernardino and Riverside County Valleys-The Inland Empire, CA San Diego County Inland Valleys, CA San Bernardino County Mountains, CA Riverside County Mountains, CA Santa Ana Mountains and Foothills, CA San Diego County Mountains, CA San Gorgonio Pass Near Banning, CA Orange County Inland, CA San Diego County Coastal Areas, CA Orange County Coastal, CA

Official Bulletin

811
WWUS76 KSGX 141629
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
929 AM PDT Tue Jul 14 2026

CAZ061-150515-
/O.CON.KSGX.XH.W.0005.260714T1700Z-260717T0300Z/
Coachella Valley-
Including the cities of Cathedral City, Palm Springs, Palm Desert
Country, Coachella, La Quinta, Indio, and Palm Desert
929 AM PDT Tue Jul 14 2026

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

* WHAT...Dangerously hot conditions with high temperatures up to 113
  and lows 85 to 90 degrees expected.

* WHERE...Coachella Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Above average overnight 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.

&&

$$

CAZ062-150515-
/O.CON.KSGX.XH.W.0005.260714T1700Z-260717T0300Z/
San Diego County Deserts-
Including the cities of Borrego Springs
929 AM PDT Tue Jul 14 2026

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

* WHAT...Dangerously hot conditions with high temperatures up to 115
  and lows 85 to 90 degrees expected.

* WHERE...San Diego County Deserts.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Above average overnight 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.

&&

$$

CAZ048-050-055>058-065-554-150515-
/O.CON.KSGX.XH.W.0005.260715T1700Z-260717T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Diego County Valleys-San Bernardino County Mountains-Riverside
County Mountains-Santa Ana Mountains and Foothills-San Diego
County Mountains-San Gorgonio Pass near Banning-Orange County
Inland Areas-
Including the cities of Crestline, Moreno Valley, Running
Springs, Garden Grove, Anaheim, Julian, Fontana, Riverside, Pine
Valley, Orange, San Marcos, Idyllwild-Pine Cove, San Bernardino,
Poway, Lake Arrowhead, Wrightwood, Santa Ana, Rancho Cucamonga,
Santee, Irvine, Big Bear Lake, Big Bear City, Fullerton, La Mesa,
Mission Viejo, Escondido, Corona, Ontario, and El Cajon
929 AM PDT Tue Jul 14 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8
PM PDT THURSDAY...

* WHAT...Hot and humid conditions with elevated overnight
  temperatures in the upper 60s to mid-70s. High temperatures in the
  90s for inland Orange County and in the mountains below 6000 feet,
  in the mid 90s to 104 in the San Diego County valleys, and in the
  upper 90s to 108 for the Inland Empire expected.

* WHERE...Orange County Inland Areas, Riverside County Mountains,
  San Bernardino County Mountains, San Bernardino and Riverside
  County Valleys-The Inland Empire, San Diego County Mountains, San
  Diego County Valleys, San Gorgonio Pass near Banning, and Santa
  Ana Mountains and Foothills.

* WHEN...From 10 AM Wednesday to 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events. Those spending long periods outdoors will be
  at greater risk for heat health impacts.

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.

&&

$$

CAZ043-552-150515-
/O.CON.KSGX.HT.Y.0005.260715T1700Z-260717T0300Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Including the cities of San Diego, Encinitas, Costa Mesa,
National City, Vista, Oceanside, Chula Vista, Huntington Beach,
and Carlsbad
929 AM PDT Tue Jul 14 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT
THURSDAY...

* WHAT...Warm and humid conditions with elevated overnight
  temperatures in the upper 60s to low 70s. High temperatures in the
  mid 70s to near 80 at the beaches to near 90 further inland
  expected.

* WHERE...Orange County Coastal Areas and San Diego County Coastal
  Areas.

* WHEN...From 10 AM Wednesday to 8 PM PDT Thursday.

* 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