Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
210 PM PDT Sun Mar 15 2026
CAZ088-342-345-351>353-356>358-368>376-378>380-548-161300-
/O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/
/O.CON.KLOX.HT.Y.0003.260316T1700Z-260317T1700Z/
Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County
Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains
Eastern Range-Santa Barbara County Interior Mountains-Lake
Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles
County Inland Coast including Downtown Los Angeles-Western Santa
Monica Mountains Recreational Area-Eastern Santa Monica Mountains
Recreational Area-Calabasas and Agoura Hills-Western San Fernando
Valley-Eastern San Fernando Valley-Southeastern Ventura County
Valleys-Santa Susana Mountains-Southern Ventura County Mountains-
Interstate 5 Corridor-Western San Gabriel Mountains and Highway
14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San
Gabriel Valley-
Including the cities of Mount Baldy, Van Nuys, Wrightwood,
Newbury Park, San Rafael Mountain, East Los Angeles, El Monte,
Thousand Oaks, San Marcos Pass, Tejon Pass, Irish Hills, La Panza
Range, Pyramid Lake, Chatsworth, Universal City, Hollywood,
Woodland Hills, Mount Wilson, Hearst Castle, Acton, Downey,
Pomona, Santa Margarita Lake, Malibu Bowl, Westlake Village,
Malibu Lake, Montecito Hills, Caliente Range, Fillmore, Norwalk,
Mill Creek, San Gabriel, Oak View, Glendale, Piru, Burbank, Lake
Castaic, Ojai, Topatopa Mountains, Sunland, Pasadena, Big Pine
Mountain, Newhall, Compton, Northridge, Simi Valley, Valencia,
Meiners Oaks, Warm Springs, Matilija, The Angeles Crest Highway,
Moorpark, Beverly Hills, Oat Mountain, Gorman, Culver City, La
Canada Flintridge, Topanga, Santa Paula, Rose Valley, Figueroa
Mountain, and Santa Clarita
210 PM PDT Sun Mar 15 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 10 AM PDT
TUESDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM
PDT FRIDAY...
* WHAT...For the Heat Advisory, temperatures between 90 and 98
expected. For the Extreme Heat Warning, dangerously hot conditions
with temperatures between 96 and 104 expected.
* WHERE...A portion of southwest California.
* WHEN...For the Heat Advisory, from 10 AM Monday to 10 AM PDT
Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM
PDT Friday.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.
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.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
943 PM PDT Sun Mar 15 2026
CAZ006-502>506-508>510-512>518-528>530-161700-
/O.CON.KMTR.HT.Y.0001.260316T1700Z-260321T0300Z/
San Francisco-Marin Coastal Range-Sonoma Coastal Range-North Bay
Interior Mountains-Coastal North Bay Including Point Reyes
National Seashore-North Bay Interior Valleys-San Francisco Bay
Shoreline-San Francisco Peninsula Coast-East Bay Interior Valleys-
Santa Cruz Mountains-Santa Clara Valley Including San Jose-
Eastern Santa Clara Hills-East Bay Hills-Southern Salinas
Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and
Los Padres National Forest-Mountains of San Benito County And
Interior Monterey County including Pinnacles National Park-
Northern Salinas Valley/Hollister Valley and Carmel Valley-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
943 PM PDT Sun Mar 15 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
FRIDAY...
* WHAT...High temperatures in the low to mid 90s across the interior
and 80s along the coastline.
* WHERE...The Bay Area and Central Coast.
* WHEN...From 10 AM Monday to 8 PM PDT Friday.
* IMPACTS...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health systems and in
heat-sensitive industries. Hot conditions can cause heat illnesses.
* ADDITIONAL DETAILS...Much above normal temperatures in the upper
80s to mid 90s are expected this week across the Bay Area and
Central Coast. Portions of the interior Central Coast may reach the
upper 90s starting mid to late week. Overnight lows in the upper
50s to low 60s will offer some relief to the lower elevations but
will offer minimal relief within the higher elevations. Conditions
will be much above normal along the coast this week but coastal
residents may experience more relief overnight than those across
the interior. The risk of heat related illnesses will increase with
each additional day of heating from this event.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.
Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.
&&
$$
Flynn
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
210 PM PDT Sun Mar 15 2026
CAZ087-340-341-346>350-354-355-362-366-367-161300-
/O.EXT.KLOX.HT.Y.0003.260316T1700Z-260321T0300Z/
Catalina and Santa Barbara Islands-San Luis Obispo County Beaches-
San Luis Obispo County Inland Central Coast-Santa Barbara County
Central Coast Beaches-Santa Barbara County Inland Central Coast-
Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa
Barbara County Southeastern Coast-Ventura County Beaches-Ventura
County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos
Verdes Hills-
Including the cities of Torrance, Carpinteria, Gaviota, Redondo
Beach, LAX, Morro Bay, El Capitan State Beach, Pismo Beach,
Lompoc, Solvang, San Luis Obispo, Refugio State Beach, Santa
Ynez, Nipomo, Lake Cachuma, Oxnard, Los Olivos, Santa Maria,
Camarillo, Point Mugu, Buellton, Avila Beach, Pacific Palisades,
Santa Barbara, Goleta, Port Hueneme, East Ventura, Lopez Lake,
Arroyo Grande, Long Beach, Cambria, Rancho Palos Verdes,
Montecito, Vandenberg Space Force Base, Ventura, Avalon, Malibu,
Santa Monica, and Jalama Beach
210 PM PDT Sun Mar 15 2026
...HEAT ADVISORY NOW IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
FRIDAY...
* WHAT...Temperatures between 85 and 95 expected.
* WHERE...A portion of southwest California.
* WHEN...From 10 AM Monday to 8 PM PDT Friday.
* 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.
* ADDITIONAL DETAILS...Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
210 PM PDT Sun Mar 15 2026
CAZ088-342-345-351>353-356>358-368>376-378>380-548-161300-
/O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/
/O.CON.KLOX.HT.Y.0003.260316T1700Z-260317T1700Z/
Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County
Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains
Eastern Range-Santa Barbara County Interior Mountains-Lake
Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles
County Inland Coast including Downtown Los Angeles-Western Santa
Monica Mountains Recreational Area-Eastern Santa Monica Mountains
Recreational Area-Calabasas and Agoura Hills-Western San Fernando
Valley-Eastern San Fernando Valley-Southeastern Ventura County
Valleys-Santa Susana Mountains-Southern Ventura County Mountains-
Interstate 5 Corridor-Western San Gabriel Mountains and Highway
14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San
Gabriel Valley-
Including the cities of Mount Baldy, Van Nuys, Wrightwood,
Newbury Park, San Rafael Mountain, East Los Angeles, El Monte,
Thousand Oaks, San Marcos Pass, Tejon Pass, Irish Hills, La Panza
Range, Pyramid Lake, Chatsworth, Universal City, Hollywood,
Woodland Hills, Mount Wilson, Hearst Castle, Acton, Downey,
Pomona, Santa Margarita Lake, Malibu Bowl, Westlake Village,
Malibu Lake, Montecito Hills, Caliente Range, Fillmore, Norwalk,
Mill Creek, San Gabriel, Oak View, Glendale, Piru, Burbank, Lake
Castaic, Ojai, Topatopa Mountains, Sunland, Pasadena, Big Pine
Mountain, Newhall, Compton, Northridge, Simi Valley, Valencia,
Meiners Oaks, Warm Springs, Matilija, The Angeles Crest Highway,
Moorpark, Beverly Hills, Oat Mountain, Gorman, Culver City, La
Canada Flintridge, Topanga, Santa Paula, Rose Valley, Figueroa
Mountain, and Santa Clarita
210 PM PDT Sun Mar 15 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 10 AM PDT
TUESDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM
PDT FRIDAY...
* WHAT...For the Heat Advisory, temperatures between 90 and 98
expected. For the Extreme Heat Warning, dangerously hot conditions
with temperatures between 96 and 104 expected.
* WHERE...A portion of southwest California.
* WHEN...For the Heat Advisory, from 10 AM Monday to 10 AM PDT
Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM
PDT Friday.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.
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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
823 PM PDT Sun Mar 15 2026
PZZ670-673-161000-
/O.CON.KLOX.SC.Y.0039.000000T0000Z-260316T1000Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
823 PM PDT Sun Mar 15 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...
* WHAT...Hazardous sea conditions.
* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM
and Waters from Pt. Sal to Santa Cruz Island CA and westward
60 nm including San Miguel and Santa Rosa Islands.
* WHEN...Until 3 AM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Extreme Heat Watch
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
137 PM PDT Sun Mar 15 2026
CAZ522>526-160900-
/O.CON.KVEF.XH.A.0001.260318T1800Z-260321T0300Z/
Death Valley National Park-Western Mojave Desert-Eastern Mojave
Desert-Morongo Basin-Cadiz Basin-
Including the cities of Furnace Creek, Morongo Valley, Shoshone,
Baker, Fort Irwin, Mountain Pass, Yucca Valley, Mitchell Caverns,
Stovepipe Wells, Twentynine Palms, Daggett, Barstow, and Vidal
Junction
137 PM PDT Sun Mar 15 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH FRIDAY EVENING...
* WHAT...Dangerously hot conditions with temperatures up to 103
possible.
* WHERE...Cadiz Basin, Death Valley National Park, Eastern Mojave
Desert, Morongo Basin, and Western Mojave Desert.
* WHEN...From Wednesday morning through Friday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Monitor the latest forecasts and warnings for updates.
&&
$$
