One product issued by NWS for: 21 Miles SE Parkfield CA
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 203 AM PDT Wed Aug 19 2026 CAZ038-088-343>345-353-371>373-375-376-379-380-548-192115- /O.CON.KLOX.HT.Y.0013.000000T0000Z-260821T0300Z/ Cuyama Valley-Santa Clarita Valley-Southern Salinas Valley-San Luis Obispo County Interior Valleys-San Luis Obispo County Mountains-Santa Barbara County Interior Mountains-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Santa Susana Mountains-Southern Ventura County Mountains- Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Lake Nacimiento, Big Pine Mountain, Figueroa Mountain, Van Nuys, San Gabriel, Templeton, Mount Wilson, La Panza Range, Warm Springs, Caliente Range, Lake Castaic, El Monte, Universal City, East Los Angeles, Rose Valley, Santa Clarita, Matilija, Pomona, San Miguel, Acton, Santa Margarita Lake, Northridge, Atascadero, Glendale, Malibu Lake, Paso Robles, New Cuyama, Wrightwood, Shandon, Pasadena, Carrizo Plain, La Canada Flintridge, Burbank, Creston, Mill Creek, Topatopa Mountains, Woodland Hills, Chatsworth, Sunland, Valencia, San Rafael Mountain, Westlake Village, Mount Baldy, The Angeles Crest Highway, Newhall, and Oat Mountain 203 AM PDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY... * WHAT...High temperatures ranging from 95 to 105 degrees. Low temperatures in the upper 60s to lower 70s, except mid 70s to lower 80s in the foothills and mountains. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. Warmer than normal low temperatures will add to the heat discomfort. * ADDITIONAL DETAILS...Moderate heat impacts may extend into Friday, but there is some uncertainty at this time. 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. && $$ ASR