Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
158 AM PDT Mon Aug 24 2026
CAZ060-242230-
/O.EXA.KSGX.XH.W.0008.260825T1700Z-260829T0300Z/
Apple and Lucerne Valleys-
Including the cities of Apple Valley, Hesperia, Lucerne Valley,
and Victorville
158 AM PDT Mon Aug 24 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT
FRIDAY...
* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 108 expected.
* WHERE...Apple and Lucerne Valleys.
* WHEN...From 10 AM Tuesday to 8 PM PDT Friday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
136 AM PDT Mon Aug 24 2026
CAZ337>339-242200-
/O.CON.KHNX.XH.W.0003.260824T1200Z-260827T0600Z/
Indian Wells Valley-Mojave Desert Slopes-Mojave Desert-
Including the cities of Mojave, Edwards AFB, Randsburg, California
City, Inyokern, Rosamond, and Ridgecrest
136 AM PDT Mon Aug 24 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 11 PM PDT WEDNESDAY...
* WHAT...Dangerously hot conditions with high temperatures up to 108
degrees expected. Morning low temperatures between 75 and 80
degrees will provide little relief at night.
* WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert
Slopes.
* WHEN...From 5 AM early this morning to 11 PM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Stay cool, stay hydrated, stay informed.
Monitor the latest forecasts and warnings for updates.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
136 AM PDT Mon Aug 24 2026
CAZ304>316-242200-
/O.CON.KHNX.HT.Y.0005.260824T1200Z-260827T0600Z/
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-
Including the cities of Shafter, Delano, Kingsburg, Arvin,
Buttonwillow, Hanford, Corcoran, Porterville, Parlier, McKittrick,
Bakersfield, Selma, Lemoore Station, Alpaugh, Visalia, Goshen,
Kerman, Blackwells Corner, Richgrove, Five Points, Lost Hills,
Coalinga, Tulare, Avenal, Kettleman City, Fresno, Wasco, Lamont,
Lemoore, Taft, and Sanger
136 AM PDT Mon Aug 24 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 11
PM PDT WEDNESDAY...
* WHAT...High temperatures up to 104 degrees expected.
* WHERE...Southern San Joaquin Valley and West Side Hills of the
Coastal Range.
* WHEN...From 5 AM early this morning to 11 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.
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.
&&
$$
BSO
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1206 AM PDT Sun Aug 23 2026
CAZ038-251700-
/O.CON.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
Cuyama Valley-
Including the cities of New Cuyama
1206 AM PDT Sun Aug 23 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM
PDT TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...For the Heat Advisory, temperatures up to 99 expected. For
the Extreme Heat Watch, dangerously hot conditions with
temperatures up to 104 possible.
* WHERE...Cuyama Valley.
* WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM PDT
Tuesday. For the Extreme Heat Watch, from Tuesday morning through
Friday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1206 AM PDT Sun Aug 23 2026
CAZ088-351>353-356>358-369>376-378>380-548-251700-
/O.CON.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
Santa Clarita Valley-Santa Ynez Mountains Western Range-Santa
Ynez Mountains Eastern Range-Santa Barbara County Interior
Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-
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 Northridge, Warm Springs, San Rafael
Mountain, Westlake Village, San Gabriel, Sunland, Santa Clarita, San
Marcos Pass, Tejon Pass, Ojai, Topatopa Mountains, El Monte, Oak
View, Meiners Oaks, Simi Valley, The Angeles Crest Highway, Santa
Paula, Fillmore, Pasadena, Big Pine Mountain, Mount Baldy, Piru,
Woodland Hills, Malibu Bowl, Chatsworth, Figueroa Mountain, Glendale,
Pomona, Matilija, La Canada Flintridge, Malibu Lake, Van Nuys, Oat
Mountain, Gorman, East Los Angeles, Montecito Hills, Newhall,
Universal City, Rose Valley, Thousand Oaks, Newbury Park, Moorpark,
Burbank, Pyramid Lake, Acton, Topanga, Mill Creek, Mount Wilson,
Wrightwood, Lake Castaic, and Valencia
1206 AM PDT Sun Aug 23 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM
PDT TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...For the Heat Advisory, temperatures up to 107 expected. For
the Extreme Heat Watch, dangerously hot conditions with
temperatures up to 112 possible.
* WHERE...A portion of southwest California.
* WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM PDT
Tuesday. For the Extreme Heat Watch, from Tuesday 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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
209 AM PDT Mon Aug 24 2026
PZZ673-676-241715-
/O.CON.KLOX.SC.Y.0117.000000T0000Z-260825T1100Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
209 AM PDT Mon Aug 24 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
TUESDAY...
* WHAT...Hazardous sea conditions.
* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and
westward 60 nm including San Miguel and Santa Rosa Islands and
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands.
* WHEN...Until 4 AM PDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Extreme Heat Watch
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1206 AM PDT Sun Aug 23 2026
CAZ038-251700-
/O.CON.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
Cuyama Valley-
Including the cities of New Cuyama
1206 AM PDT Sun Aug 23 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM
PDT TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...For the Heat Advisory, temperatures up to 99 expected. For
the Extreme Heat Watch, dangerously hot conditions with
temperatures up to 104 possible.
* WHERE...Cuyama Valley.
* WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM PDT
Tuesday. For the Extreme Heat Watch, from Tuesday morning through
Friday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1206 AM PDT Sun Aug 23 2026
CAZ088-351>353-356>358-369>376-378>380-548-251700-
/O.CON.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
Santa Clarita Valley-Santa Ynez Mountains Western Range-Santa
Ynez Mountains Eastern Range-Santa Barbara County Interior
Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-
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 Northridge, Warm Springs, San Rafael
Mountain, Westlake Village, San Gabriel, Sunland, Santa Clarita, San
Marcos Pass, Tejon Pass, Ojai, Topatopa Mountains, El Monte, Oak
View, Meiners Oaks, Simi Valley, The Angeles Crest Highway, Santa
Paula, Fillmore, Pasadena, Big Pine Mountain, Mount Baldy, Piru,
Woodland Hills, Malibu Bowl, Chatsworth, Figueroa Mountain, Glendale,
Pomona, Matilija, La Canada Flintridge, Malibu Lake, Van Nuys, Oat
Mountain, Gorman, East Los Angeles, Montecito Hills, Newhall,
Universal City, Rose Valley, Thousand Oaks, Newbury Park, Moorpark,
Burbank, Pyramid Lake, Acton, Topanga, Mill Creek, Mount Wilson,
Wrightwood, Lake Castaic, and Valencia
1206 AM PDT Sun Aug 23 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM
PDT TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...For the Heat Advisory, temperatures up to 107 expected. For
the Extreme Heat Watch, dangerously hot conditions with
temperatures up to 112 possible.
* WHERE...A portion of southwest California.
* WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM PDT
Tuesday. For the Extreme Heat Watch, from Tuesday 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1206 AM PDT Sun Aug 23 2026
CAZ381>383-251700-
/O.CON.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/
Western Antelope Valley Foothills-Eastern Antelope Valley
Foothills-Antelope Valley-
Including the cities of Elizabeth Lake, Llano, Valyermo, Lake Los
Angeles, Palmdale, Lancaster, Lake Palmdale, and Pearblossom
1206 AM PDT Sun Aug 23 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...Dangerously hot conditions with temperatures up to 112
possible.
* WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and
Western Antelope Valley Foothills.
* WHEN...From Tuesday 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.
&&
$$
ASR
Marine Weather Statement
Marine Weather Statement
National Weather Service San Francisco CA
352 PM PDT Sun Aug 23 2026
PZZ565-241600-
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
352 PM PDT Sun Aug 23 2026
Visibility reductions are possible along the Big Sur coastline
due to smoke from the Timber Fire. Visibility may drop as low as
2 statute miles overnight when the marine inversion settles in
and gradually improves by late Monday morning.
$$
