Heat Advisory

[Wrightwood]

San Bernardino County Mountains-
Including the cities of Big Bear City, Lake Arrowhead, Big Bear
Lake, Wrightwood, Crestline, and Running Springs
156 AM PDT Tue Jul 28 2026

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

* WHAT...High temperatures in the 90s to around 100 below 7000 feet
expected.

* WHERE...San Bernardino County Mountains.

* WHEN...From 10 AM Thursday 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.

[Wrightwood]

San Bernardino County Mountains-
Including the cities of Crestline, Big Bear Lake, Lake Arrowhead,
Running Springs, Big Bear City, and Wrightwood
1216 PM PDT Sun Aug 2 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT MONDAY...

* WHAT...High temperatures in the upper 80s and 90s; around 100
below 6000 feet expected.

* WHERE...San Bernardino County Mountains.

* WHEN...Until 8 PM PDT Monday.

* 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.

[Wrightwood]

San Luis Obispo County Interior Valleys-San Luis Obispo County
Mountains-Santa Barbara County Interior Mountains-Santa Susana
Mountains-Southern Ventura County Mountains-Interstate 5 Corridor-
Western San Gabriel Mountains and Highway 14 Corridor-Eastern San
Gabriel Mountains-
Including the cities of Caliente Range, The Angeles Crest Highway,
Figueroa Mountain, Topatopa Mountains, Wrightwood, Mill Creek, Mount
Wilson, Mount Baldy, Acton, Creston, Oat Mountain, Warm Springs, Big
Pine Mountain, Tejon Pass, Carrizo Plain, Pyramid Lake, La Panza
Range, Gorman, San Rafael Mountain, Rose Valley, Santa Margarita
Lake, Shandon, and Matilija
828 PM PDT Sun Aug 2 2026

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

* WHAT...Temperatures of 95 to 105 degrees expected.

* WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, San
Luis Obispo County Interior Valleys, San Luis Obispo County
Mountains, Santa Barbara County Interior Mountains, Santa Susana
Mountains, Southern Ventura County Mountains, and Western San
Gabriel Mountains and Highway 14 Corridor.

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

* 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.

[Wrightwood]

San Luis Obispo County Interior Valleys-San Luis Obispo County
Mountains-Santa Barbara County Interior Mountains-Santa Susana
Mountains-Southern Ventura County Mountains-Interstate 5 Corridor-
Western San Gabriel Mountains and Highway 14 Corridor-Eastern San
Gabriel Mountains-
Including the cities of Rose Valley, Wrightwood, San Rafael Mountain,
Figueroa Mountain, Mount Baldy, Oat Mountain, Santa Margarita Lake,
Matilija, Tejon Pass, Carrizo Plain, Topatopa Mountains, Mill Creek,
Big Pine Mountain, La Panza Range, Pyramid Lake, The Angeles Crest
Highway, Acton, Mount Wilson, Caliente Range, Gorman, Warm Springs,
Creston, and Shandon
1117 AM PDT Wed Aug 5 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT SUNDAY...

* WHAT...Very warm temperatures of 90 to 105 degrees expected.

* WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, San
Luis Obispo County Interior Valleys, San Luis Obispo County
Mountains, Santa Barbara County Interior Mountains, Santa Susana
Mountains, Southern Ventura County Mountains, and Western San
Gabriel Mountains and Highway 14 Corridor.

* 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.

[Wrightwood]

San Bernardino County Mountains-
Including the cities of Crestline, Big Bear Lake, Running
Springs, Wrightwood, Lake Arrowhead, and Big Bear City
1228 AM PDT Thu Aug 6 2026

...HEAT ADVISORY NOW 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.