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Heat Advisory

Status

Event Continued Expired

Start Time

Tue 08/12/2025 06:51 AM EDT

End Time

Wed 08/13/2025 12:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Acton, CA ∙ Pyramid Lake, CA ∙ Los Padres National Forest, CA ∙ Angeles National Forest, CA ∙ Gorman, CA ∙ Mount San Antonio, CA ∙ Timber Peak, CA ∙ Agua Dulce, CA ∙ Wheeler Springs, CA ∙ Mount Baldy, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 351 AM PDT Tue Aug 12 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Daytime high temperatures in the 80s and 90s at high elevation to the mid 90s to near 105 degrees in the foothills and high valleys. Overnight low temperatures will be in the 70s to low 80s. * WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5 Corridor, Northern Ventura County Mountains, Santa Barbara County Interior Mountains, Santa Ynez Mountains Eastern Range, Santa Ynez Mountains Western Range, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 9 PM PDT this evening. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Technical Header

CAZ038-351>353-376>380-130400- /O.CON.KLOX.HT.Y.0005.000000T0000Z-250813T0400Z/ Cuyama Valley-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains- Southern Ventura County Mountains-Northern Ventura County Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains- Including the cities of Big Pine Mountain, Tejon Pass, Mount Pinos, Mount Baldy, Mill Creek, The Angeles Crest Highway, Ozena, San Rafael Mountain, Lockwood Valley, Warm Springs, New Cuyama, Acton, Gorman, Topatopa Mountains, Mount Wilson, Rose Valley, Montecito Hills, Figueroa Mountain, Pyramid Lake, Wrightwood, Matilija, and San Marcos Pass 351 AM PDT Tue Aug 12 2025