Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
940 PM PDT Sat Oct 3 2026
CAZ043-041315-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
San Diego County Coastal Areas-
Including the cities of National City, Vista, Carlsbad, Oceanside,
Chula Vista, San Diego, and Encinitas
940 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures ranging
from the mid 80s to mid 90s at the beaches to the mid 90s to low
100s for the mesas. Nights will be very warm with low temperatures
mostly in the 70s.
* WHERE...San Diego County Coastal Areas.
* WHEN...Until 8 PM PDT Thursday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
940 PM PDT Sat Oct 3 2026
CAZ048-041315-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of San Bernardino, Corona, Ontario, Rancho
Cucamonga, Fontana, Moreno Valley, and Riverside
940 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 103 and warm nights with low temperatures in the low
to mid 70s expected.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
940 PM PDT Sat Oct 3 2026
CAZ050-041315-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
San Diego County Valleys-
Including the cities of Poway, Santee, San Marcos, La Mesa, El Cajon,
and Escondido
940 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 103 and warm nights with low temperatures in the lower
to mid 70s expected.
* WHERE...San Diego County Valleys.
* WHEN...Until 8 PM PDT Thursday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
940 PM PDT Sat Oct 3 2026
CAZ057-041315-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
Santa Ana Mountains and Foothills-
940 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with temperatures up to 100 and
warm nights with lows in the low to mid 70s.
* WHERE...Santa Ana Mountains and Foothills.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
940 PM PDT Sat Oct 3 2026
CAZ552-041315-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
Orange County Coastal Areas-
Including the cities of Costa Mesa and Huntington Beach
940 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures ranging
from the mid 80s to low 90s at the beaches to the mid 90s to around
100 for inland coastal areas expected. Nights will be very warm
with low temperatures in the low to mid 70s.
* WHERE...Orange County Coastal Areas.
* WHEN...Until 8 PM PDT Thursday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
940 PM PDT Sat Oct 3 2026
CAZ554-041315-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
Orange County Inland Areas-
Including the cities of Anaheim, Santa Ana, Garden Grove, Orange,
Irvine, Mission Viejo, and Fullerton
940 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with high temperatures in the mid
90s to 105 and warm nights with low temperatures in the 70s
expected.
* WHERE...Orange County Inland Areas.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
SS
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1215 PM PDT Sat Oct 3 2026
CAZ038-349>353-550-080300-
/O.CON.KLOX.XH.W.0008.000000T0000Z-261009T0300Z/
Cuyama Valley-Santa Barbara County Southwestern Coast-Santa
Barbara County Southeastern Coast-Santa Ynez Mountains Western
Range-Santa Ynez Mountains Eastern Range-Santa Barbara County
Interior Mountains-Santa Cruz and Anacapa Islands-
Including the cities of Montecito Hills, San Marcos Pass, Goleta,
Figueroa Mountain, San Rafael Mountain, El Capitan State Beach, New
Cuyama, Big Pine Mountain, Montecito, Gaviota, Smugglers Cove, Santa
Barbara, Refugio State Beach, Carpinteria, and Jalama Beach
1215 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with temperatures up to 85 at the
coast and 100 in the mountains and Cuyama valley.
* WHERE...Cuyama Valley, Santa Barbara County Interior Mountains,
Santa Barbara County Southeastern Coast, Santa Barbara County
Southwestern Coast, Santa Cruz and Anacapa Islands, Santa Ynez
Mountains Eastern Range, and Santa Ynez Mountains Western Range.
* WHEN...Until 8 PM PDT Thursday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1215 PM PDT Sat Oct 3 2026
CAZ087-088-354>358-362-366>375-548-080300-
/O.CON.KLOX.XH.W.0008.000000T0000Z-261009T0300Z/
Catalina and Santa Barbara Islands-Santa Clarita Valley-Ventura
County Beaches-Ventura County Inland Coast-Lake Casitas-Ojai
Valley-Central Ventura County Valleys-Malibu Coast-Los Angeles
County Beaches-Palos Verdes Hills-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-Los Angeles County San Gabriel Valley-
Including the cities of Pacific Palisades, Hollywood, Santa Clarita,
Westlake Village, La Canada Flintridge, Newhall, Pasadena, Thousand
Oaks, Beverly Hills, Ventura, Compton, Torrance, Lake Castaic,
Downey, Meiners Oaks, Piru, Long Beach, Sunland, Simi Valley, El
Monte, Malibu Bowl, Redondo Beach, Avalon, Malibu Lake, Northridge,
Burbank, Van Nuys, Culver City, East Ventura, Norwalk, Ojai, Topanga,
Camarillo, Malibu, San Gabriel, Port Hueneme, Valencia, Newbury Park,
Santa Monica, Point Mugu, East Los Angeles, Fillmore, Santa Paula,
Woodland Hills, Universal City, Pomona, Rancho Palos Verdes, Oxnard,
Glendale, Moorpark, Chatsworth, Oat Mountain, LAX, and Oak View
1215 PM PDT Sat Oct 3 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...
* WHAT...Dangerously hot conditions with temperatures up to 90 at the
coast and 105 in the valleys.
* WHERE...Coast and valleys of Los Angeles and Ventura Counties.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Very hot temperatures are likely to continue
into the second week of October, possibly requiring an extension of
this product.
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.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
748 PM PDT Sat Oct 3 2026
CAZ503-504-506-508-510-512>518-050515-
/O.CON.KMTR.HT.Y.0014.000000T0000Z-261008T0500Z/
Sonoma Coastal Range-North Bay Interior Mountains-North Bay
Interior Valleys-San Francisco Bay Shoreline-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-
748 PM PDT Sat Oct 3 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT WEDNESDAY...
* WHAT...Hot conditions with maximum temperatures in the mid-90s to
low-100s. Mild minimum temperatures and weak onshore flow will
limit overnight relief.
* WHERE...The East Bay and San Francisco Bay Shoreline, North Bay
Interior Mountains and Valleys, The Santa Clara Valley and Eastern
Hills, The Santa Cruz Mountains, Interior Monterey County and the
Santa Lucia Range, Most of San Benito County and the Cholame Hills
in Southeast Monterey County, and Southern Salinas Valley/Arroyo
Seco and Lake San Antonio.
* WHEN...Until 10 PM PDT Wednesday.
* IMPACTS...This level of heat affects anyone without effective
cooling and/or adequate hydration. Impacts likely in some health
systems, heat-sensitive industries and infrastructure.
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.
&&
$$
Sarment
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
748 PM PDT Sat Oct 3 2026
CAZ505-509-530-050500-
/O.EXA.KMTR.HT.Y.0014.000000T0000Z-261005T0500Z/
Coastal North Bay Including Point Reyes National Seashore-San
Francisco Peninsula Coast-Southern Monterey Bay and Big Sur Coast-
748 PM PDT Sat Oct 3 2026
...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT SUNDAY...
* WHAT...Hot conditions with maximum temperatures in the low-80s to
low-90s. Mild minimum temperatures and weak onshore flow will limit
overnight relief.
* WHERE...Southern Monterey Bay and the Big Sur Coast, Coastal North
Bay Including Point Reyes National Seashore, and San Francisco
Peninsula Coast.
* WHEN...Until 10 PM PDT Sunday.
* IMPACTS...This level of heat affects anyone without effective
cooling and/or adequate hydration. Impacts likely in some health
systems, heat-sensitive industries and infrastructure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.
Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
534 PM PDT Sat Oct 3 2026
CAZ300>322-041000-
/O.CON.KHNX.HT.Y.0007.000000T0000Z-261008T0600Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
West Side of Fresno and Kings Counties-Caruthers - San Joaquin -
Selma-Fresno-Clovis-West Side Mountains South of 198-Buttonwillow
- Lost Hills - I5-Delano-Wasco-Shafter-Hanford - Corcoran -
Lemoore-Visalia - Porterville - Reedley-Buena Vista-Bakersfield-
Southeast San Joaquin Valley-South End San Joaquin Valley-
Mariposa Madera Foothills-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-South End of the Lower Sierra-
Including the cities of Le Grand, Sanger, Wasco, Coarsegold, Merced,
Hanford, Selma, Planada, Kingsburg, San Luis Reservoir, Delano, Camp
Nelson, Lost Hills, North Fork, Bakersfield, Taft, Porterville, Fish
Camp, Parlier, Bass Lake, Tulare, Five Points, Coalinga, McKittrick,
Visalia, Atwater, Goshen, Kettleman City, Oakhurst, Avenal, Alpaugh,
Lamont, Millerton Lake, Blackwells Corner, Lemoore Station,
Richgrove, Shafter, Los Banos, Kerman, Mariposa, Corcoran,
Buttonwillow, Auberry, Fresno, Madera, Lake Mcclure, Lemoore, Arvin,
and El Portal
534 PM PDT Sat Oct 3 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY...
* WHAT...High temperatures up to 104 degrees expected with the
warmest temperatures will be located in the southern San Joaquin
Valley. Overnight lows between 70 and 75 degrees expected in the
Sierra Foothills where the thermal belt is strongest.
* WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal
West Hills.
* WHEN...Until 11 PM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Moderate to major risk of heat-related
illnesses for much of the population, especially those without
effective cooling or hydration.
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.
&&
$$
CMolina
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1215 PM PDT Sat Oct 3 2026
CAZ341>345-347-348-080300-
/O.EXT.KLOX.HT.Y.0018.000000T0000Z-261008T0300Z/
San Luis Obispo County Inland Central Coast-Santa Lucia Mountains-
Southern Salinas Valley-San Luis Obispo County Interior Valleys-
San Luis Obispo County Mountains-Santa Barbara County Inland
Central Coast-Santa Ynez Valley-
Including the cities of Caliente Range, Templeton, Shandon, Paso
Robles, Buellton, Carrizo Plain, La Panza Range, Los Olivos, Santa
Maria, Atascadero, San Miguel, San Luis Obispo, Lake Nacimiento,
Santa Margarita Lake, Nipomo, Santa Ynez, Creston, Irish Hills,
Solvang, Lopez Lake, Hearst Castle, and Lake Cachuma
1215 PM PDT Sat Oct 3 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT WEDNESDAY...
* WHAT...Dangerously hot conditions with temperatures around 90 near
the coast to 103 inland.
* WHERE...San Luis Obispo County Inland Central Coast, San Luis
Obispo County Interior Valleys, San Luis Obispo County Mountains,
Santa Barbara County Inland Central Coast, Santa Lucia Mountains,
Santa Ynez Valley, and Southern Salinas Valley.
* WHEN...Until 8 PM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
Air Quality Alert
CAZ378-088-375-379-050345-
Interstate 5 Corridor-
Santa Clarita Valley-
Including the cities of Santa Clarita, Newhall, and Valencia
Santa Susana Mountains-
Western San Gabriel Mountains and Highway 14 Corridor-
835 PM PDT Sat Oct 3 2026
...AIR QUALITY ALERT FOR HARMFUL FINE PARTICLE POLLUTION LEVELS DUE
TO WILDFIRE SMOKE...
* WHAT...The South Coast AQMD has issued an air quality alert due to
increased fine particle pollution from wildfire smoke.
Visit https://www.aqmd.gov/alertinfo to check current and forecasted
air quality levels.
* WHERE...in the Santa Clarita Valley, the I-5 corridor, and the
Angeles National Forest. Levels of particle pollution can vary by
time and location depending on fire activity and local weather
conditions.
* WHEN...8 PM Saturday until 8 PM Sunday.
* IMPACTS...Particles in wildfire smoke can get deep into the lungs
and cause serious health problems such as heart attacks, strokes,
asthma attacks, and difficulty breathing. Everyone can be affected,
but people with lung or heart disease, older adults, people who are
pregnant, children, and those who spend a lot of time outdoors are
at greater risk.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To protect your health, if you smell or see smoke:
* Remain indoors with windows and doors closed
* Avoid intense outdoor physical activity
* Run your air conditioner and/or an air purifier
* If you must be outdoors, keep the time brief and wear a well-
fitting N-95 mask
* Do not use whole house fans or swamp coolers that bring in
outside air if you have other methods to stay cool
* Avoid other sources of pollution such as fireplaces, candles,
incense, grilling, and gasoline-powered lawn and garden
equipment
$$
Child Abduction Emergency
CAC037-040729-
BULLETIN - EAS ACTIVATION REQUESTED
Child Abduction Emergency
CA California Highway Patrol
Relayed by National Weather Service Los Angeles/Oxnard CA
1029 PM PDT Sat Oct 3 2026
...AMBER Alert...
The following message is transmitted at the request of CA
California Highway Patrol.
AN AMBER ALERT IS BEING ISSUED BY THE CALIFORNIA HIGHWAY PATROL ON
BEHALF OF THE LOS ANGELES POLICE DEPARTMENT.
ON OCTOBER 3... 2026... AT 7:35 PM... MARIENY CALDERON WAS TAKEN
FROM LOS ANGELES... CALIFORNIA. MARIENY CALDERON IS A 3 YEAR OLD
HISPANIC FEMALE... 3 FEET TALL... WEIGHING 27 POUNDS... WITH BLACK
HAIR AND BROWN EYES. MARIENY CALDERON IS BELIEVED TO BE WEARING A
BLACK SHIRT... RED SHORTS... PINK AND WHITE SHOES.
THE SUSPECT IS AN UNKNOWN BLACK FEMALE... APPROXIMATELY 20 YEARS
OLD... WEARING UNKNOWN DARK CLOTHING.
THE SUSPECT WAS LAST SEEN DRIVING A SILVER 2019 TOYOTA RAV4...
WITH CALIFORNIA LICENSE PLATE NUMBER 9ETY017.
IF SEEN CALL 9 1 1
$$
2778020817429389/050302 v1.1
CAC059-065-071-040729-
BULLETIN - EAS ACTIVATION REQUESTED
Child Abduction Emergency
CA California Highway Patrol
Relayed by National Weather Service San Diego CA
1029 PM PDT Sat Oct 3 2026
...AMBER Alert...
The following message is transmitted at the request of CA
California Highway Patrol.
AN AMBER ALERT IS BEING ISSUED BY THE CALIFORNIA HIGHWAY PATROL ON
BEHALF OF THE LOS ANGELES POLICE DEPARTMENT.
ON OCTOBER 3... 2026... AT 7:35 PM... MARIENY CALDERON WAS TAKEN
FROM LOS ANGELES... CALIFORNIA. MARIENY CALDERON IS A 3 YEAR OLD
HISPANIC FEMALE... 3 FEET TALL... WEIGHING 27 POUNDS... WITH BLACK
HAIR AND BROWN EYES. MARIENY CALDERON IS BELIEVED TO BE WEARING A
BLACK SHIRT... RED SHORTS... PINK AND WHITE SHOES.
THE SUSPECT IS AN UNKNOWN BLACK FEMALE... APPROXIMATELY 20 YEARS
OLD... WEARING UNKNOWN DARK CLOTHING.
THE SUSPECT WAS LAST SEEN DRIVING A SILVER 2019 TOYOTA RAV4...
WITH CALIFORNIA LICENSE PLATE NUMBER 9ETY017.
IF SEEN CALL 9 1 1
$$
2778020817429389/050302 v1.1
