Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ048-231215-
/O.CON.KSGX.XH.W.0006.000000T0000Z-260728T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Moreno Valley, Corona, San Bernardino,
Riverside, Ontario, Rancho Cucamonga, and Fontana
901 PM PDT Wed Jul 22 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures as hot as
the upper 90s to 110 and low temperatures as warm as the low to
mid 70s for Thursday through Saturday expected.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...Until 8 PM PDT Monday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ058-231215-
/O.CON.KSGX.XH.W.0006.000000T0000Z-260728T0300Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
901 PM PDT Wed Jul 22 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures as hot as
the mid 90s to low 100s, and low temperatures as warm as the 70s
for Thursday through Saturday expected.
* WHERE...San Diego County Mountains.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ060-231215-
/O.CON.KSGX.XH.W.0006.260723T1700Z-260728T0300Z/
Apple and Lucerne Valleys-
Including the cities of Apple Valley, Hesperia, Victorville, and
Lucerne Valley
901 PM PDT Wed Jul 22 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8
PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures as hot as
100 to 110 for Thursday through Saturday and low temperatures as
warm as the mid 70s to upper 80s for Friday and Saturday expected.
* WHERE...Apple and Lucerne Valleys.
* WHEN...From 10 AM Thursday to 8 PM PDT Monday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ061-062-065-231215-
/O.CON.KSGX.XH.W.0006.000000T0000Z-260728T0300Z/
Coachella Valley-San Diego County Deserts-San Gorgonio Pass near
Banning-
Including the cities of Palm Desert Country, Palm Desert,
Cathedral City, La Quinta, Borrego Springs, Palm Springs, Indio,
and Coachella
901 PM PDT Wed Jul 22 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures as hot as
120, and for Friday and Saturday and low temperatures as warm as
the upper 80s to mid 90s for Thursday and Friday expected.
* WHERE...Coachella Valley, San Diego County Deserts, and San
Gorgonio Pass near Banning.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major to locally Extreme HeatRisk. Elevated
low temperatures will limit overnight relief from the heat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
631 PM PDT Wed Jul 22 2026
CAZ337-339-231000-
/O.CON.KHNX.XH.W.0001.260723T1500Z-260728T0400Z/
Indian Wells Valley-Mojave Desert-
Including the cities of Rosamond, Inyokern, California City,
Randsburg, Ridgecrest, and Edwards AFB
631 PM PDT Wed Jul 22 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 8 AM THURSDAY TO 9 PM
PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures between
108 to 112 degrees.
* WHERE...Indian Wells Valley and Mojave Desert.
* WHEN...From 8 AM Thursday to 9 PM PDT Monday.
* 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.
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.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
EW
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1133 AM MST Wed Jul 22 2026
AZZ531-533-535-536-CAZ560-561-231200-
/O.CON.KPSR.XH.W.0007.260723T1700Z-260728T0300Z/
Kofa-Central La Paz-Southeast Yuma County-Gila River Valley-
Joshua Tree NP West-Joshua Tree NP East-
Including the cities of Quartzsite, Vicksburg, Harcuvar,
Vicksburg Junction, Ligurta, Lost Horse-Keys Village, Brenda,
Salome, Cottonwood Visitor, and Palm Canyon
1133 AM MST Wed Jul 22 2026 /1133 AM PDT Wed Jul 22 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
THURSDAY TO 8 PM MST /8 PM PDT/ MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to
117 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...In Arizona, La Paz and Southeast Yuma counties. In
California, Joshua Tree NP.
* WHEN...From 10 AM MST /10 AM PDT/ Thursday to 8 PM MST /8 PM PDT/
Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1133 AM MST Wed Jul 22 2026
AZZ530-532-CAZ562>570-231200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-260728T0300Z/
Parker Valley-Yuma-Imperial County Southwest-Salton Sea-
Chuckwalla Mountains-Imperial County Southeast-Imperial County
West-Imperial Valley-Chiriaco Summit-Palo Verde Valley-Chuckwalla
Valley-
Including the cities of Ehrenberg, Plaster City, Chiriaco Summit,
Ripley, Winterhaven, Salton City, Brawley, Fortuna Foothills,
Alamorio, Mountain Spring, Imperial Hot Mineral Springs, El Centro,
Calexico, Yuma, Martinez Lake, Winona, Blythe, Parker, Midland,
Ocotillo, Coyote Wells, Coolidge Springs, Desert Shores, and Palo
Verde
1133 AM MST Wed Jul 22 2026 /1133 AM PDT Wed Jul 22 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to
118 degrees. Major to Extreme Heat Risk.
* WHERE...Portions of southwest Arizona and southeast California.
* WHEN...Until 8 PM MST /8 PM PDT/ Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1112 AM PDT Wed Jul 22 2026
CAZ383-231900-
/O.CON.KLOX.XH.W.0003.260723T1700Z-260728T0300Z/
Antelope Valley-
Including the cities of Palmdale, Lake Los Angeles, and Lancaster
1112 AM PDT Wed Jul 22 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8
PM PDT MONDAY...
* WHAT...Hot daytime conditions with high temperatures between 100
and 108 common. Warm overnight conditions will bring less relief
than usual.
* WHERE...Antelope Valley.
* WHEN...From 10 AM Thursday to 8 PM PDT Monday.
* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Do not leave young
children and pets in unattended vehicles. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion and heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
435 AM PDT Wed Jul 22 2026
AZZ002-570-571-576-CAZ522>527-NVZ016-017-020-022-025-026-231200-
/O.CON.KVEF.XH.W.0002.260723T1700Z-260728T0300Z/
Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ
side-Northwest Deserts-Death Valley National Park-Western Mojave
Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San
Bernardino County-Upper Colorado River Valley-Northeast Clark
County-Western Clark and Southern Nye County-Las Vegas Valley-
Southern Clark County-Lake Mead - NV side-Lake Mohave - NV side-
Including the cities of Amargosa Valley, Indian Springs, Primm,
Yucca, Laughlin, Kingman, Bullhead City, Golden Valley, Overton,
Henderson, Barstow, Wikieup, Desert Hills, Stovepipe Wells,
Searchlight, Temple Bar, Moapa, Valentine, Pahrump, Las Vegas,
Daggett, Boulder City, Furnace Creek, Dolan Springs, Twentynine
Palms, Yucca Valley, Baker, Mountain Pass, Hoover Dam, South Cove,
Fort Irwin, North Las Vegas, Morongo Valley, Mesquite, Lake
Havasu City, Mitchell Caverns, Vidal Junction, Cal-Nev-Ari,
Desert Rock, Topock, Shoshone, and Needles
435 AM PDT Wed Jul 22 2026 /435 AM MST Wed Jul 22 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/
THURSDAY TO 8 PM PDT /8 PM MST/ MONDAY...
* WHAT...Dangerously hot conditions expected. Afternoon temperatures
in the desert valleys will climb into the 108 to 114 degree range,
and may exceed 115 along the Colorado River Valley and 120 in Death
Valley. Overnight lows generally 80 to 95 degrees.
* WHERE...Portions of northwest Arizona, southeast California, and
southern Nevada including the Greater Mojave Desert region.
* WHEN...From 10 AM PDT /10 AM MST/ Thursday to 8 PM PDT /8 PM MST/
Monday.
* 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.
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.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Monitor the latest forecasts and warnings for updates.
&&
$$
CM
Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
840 PM PDT Wed Jul 22 2026
PZZ673-676-231200-
/O.CON.KLOX.GL.W.0024.000000T0000Z-260723T1000Z/
/O.NEW.KLOX.SC.Y.0107.260723T1000Z-260725T1000Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
840 PM PDT Wed Jul 22 2026
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM THURSDAY TO 3 AM PDT
SATURDAY...
* WHAT...For the Gale Warning, Northwest winds 20 to 30 kt with
gusts up to 35 kt and combined seas 6 to 10 ft when conditions
are worst. For the Small Craft Advisory, hazardous sea
conditions.
* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and
westward 60 nm including San Miguel and Santa Rosa Islands and
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands.
* WHEN...For the Gale Warning, until 3 AM PDT Thursday. For the
Small Craft Advisory, from 3 AM Thursday to 3 AM PDT Saturday.
* IMPACTS...Strong winds will create dangerous sea conditions
which could capsize or damage small and large vessels.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ043-231215-
/O.CON.KSGX.HT.Y.0006.260723T1700Z-260728T0300Z/
San Diego County Coastal Areas-
Including the cities of Oceanside, Vista, Chula Vista, Carlsbad,
San Diego, Encinitas, and National City
901 PM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT
MONDAY...
* WHAT...High temperatures in the mid 80s to lower 90s for the mesas
and other higher coastal terrain and low temperatures in the lower
70s expected.
* WHERE...San Diego County Coastal Areas.
* WHEN...From 10 AM Thursday to 8 PM PDT Monday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ050-231215-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-260728T0300Z/
San Diego County Valleys-
Including the cities of Poway, Santee, San Marcos, La Mesa, El
Cajon, and Escondido
901 PM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...High temperatures as hot as the mid 90s to 105 for the
inland valleys on Thursday and Friday and low temperatures as warm
as the 70s for the inland valleys on Friday and Saturday expected.
* WHERE...San Diego County Valleys.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ055-056-231215-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-260728T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Big Bear Lake, Idyllwild-Pine
Cove, Wrightwood, Big Bear City, Running Springs, and Lake
Arrowhead
901 PM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...High temperatures as hot as the 90s to low 100s, and low
temperatures as warm as the 70s and lower 80s below 6500 feet for
Thursday through Saturday expected.
* WHERE...Riverside County Mountains and San Bernardino County
Mountains.
* WHEN...Until 8 PM PDT Monday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ057-231215-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-260728T0300Z/
Santa Ana Mountains and Foothills-
901 PM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...High temperatures as hot as the 90s to 105 and low
temperatures as warm as the mid 70s to mid 80s for Thursday and
Friday expected.
* WHERE...Santa Ana Mountains and Foothills.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ552-231215-
/O.CON.KSGX.HT.Y.0006.260723T1700Z-260728T0300Z/
Orange County Coastal Areas-
Including the cities of Huntington Beach and Costa Mesa
901 PM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT
MONDAY...
* WHAT...High temperatures in the mid 80s to lower 90s for the mesas
and other higher coastal terrain and low temperatures in the lower
70s expected.
* WHERE...Orange County Coastal Areas.
* WHEN...From 10 AM Thursday to 8 PM PDT Monday.
* 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.
&&
$$
17
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
901 PM PDT Wed Jul 22 2026
CAZ554-231215-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-260728T0300Z/
Orange County Inland Areas-
Including the cities of Irvine, Mission Viejo, Fullerton, Orange,
Santa Ana, Anaheim, and Garden Grove
901 PM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...High temperatures in the 90s and low temperatures in the
upper 60s and lower 70s expected.
* WHERE...Orange County Inland Areas.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1112 AM PDT Wed Jul 22 2026
CAZ038-088-342>345-348-353-356>358-369>382-548-231900-
/O.CON.KLOX.HT.Y.0010.000000T0000Z-260728T0300Z/
Cuyama Valley-Santa Clarita Valley-Santa Lucia Mountains-Southern
Salinas Valley-San Luis Obispo County Interior Valleys-San Luis
Obispo County Mountains-Santa Ynez Valley-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-Northern Ventura County
Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and
Highway 14 Corridor-Eastern San Gabriel Mountains-Western
Antelope Valley Foothills-Eastern Antelope Valley Foothills-Los
Angeles County San Gabriel Valley-
Including the cities of Lockwood Valley, Pasadena, Fillmore,
Universal City, Malibu Lake, Northridge, Atascadero, El Monte,
Warm Springs, Rose Valley, La Canada Flintridge, Matilija,
Creston, La Panza Range, Carrizo Plain, Meiners Oaks, Wrightwood,
Burbank, Paso Robles, Hearst Castle, Gorman, Templeton, Oak View,
Mount Wilson, East Los Angeles, Valyermo, Solvang, Chatsworth,
Van Nuys, Lake Cachuma, Piru, Malibu Bowl, Mill Creek, Topatopa
Mountains, Mount Baldy, Caliente Range, Valencia, Elizabeth Lake,
Lake Palmdale, Pyramid Lake, San Gabriel, Lake Castaic, New
Cuyama, Irish Hills, Los Olivos, Lake Nacimiento, Pearblossom,
Santa Paula, Woodland Hills, Glendale, Figueroa Mountain, Acton,
Newhall, Big Pine Mountain, Santa Ynez, Pomona, Ozena, San
Miguel, Santa Clarita, Sunland, Mount Pinos, Santa Margarita
Lake, Topanga, Thousand Oaks, Llano, Ojai, Moorpark, San Rafael
Mountain, Simi Valley, Shandon, Newbury Park, Oat Mountain, Tejon
Pass, The Angeles Crest Highway, and Westlake Village
1112 AM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Hot daytime conditions with high temperatures between 97
and 107 common. Warm overnight conditions will bring less relief
than usual
* WHERE...Valleys and mountains of Los Angeles, Ventura, Santa
Barbara, and San Luis Obispo Counties.
* WHEN...Until 8 PM PDT Monday, peaking Thursday through Sunday.
* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...While today (Wednesday) will not be as hot as
previously expected, a sharp warm up is still on track for
Thursday.
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. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion and heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1112 AM PDT Wed Jul 22 2026
CAZ354-362-366-367-231900-
/O.EXB.KLOX.HT.Y.0010.260723T1700Z-260728T0300Z/
Ventura County Beaches-Malibu Coast-Los Angeles County Beaches-
Palos Verdes Hills-
Including the cities of Ventura, Long Beach, Port Hueneme, Point
Mugu, Malibu, Rancho Palos Verdes, Redondo Beach, LAX, Oxnard,
Santa Monica, Pacific Palisades, and Torrance
1112 AM PDT Wed Jul 22 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT MONDAY...
* WHAT...Very warm and humid daytime conditions with high
temperatures between 80 and 86 common. Warm overnight conditions
will bring less relief than usual.
* WHERE...Los Angeles County Beaches, Malibu Coast, Palos Verdes
Hills, and Ventura County Beaches.
* WHEN...From 10 AM Thursday to 8 PM PDT Monday.
* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1112 AM PDT Wed Jul 22 2026
CAZ355-368-231900-
/O.CON.KLOX.HT.Y.0010.000000T0000Z-260728T0300Z/
Ventura County Inland Coast-Los Angeles County Inland Coast
including Downtown Los Angeles-
Including the cities of Beverly Hills, Culver City, Camarillo,
Downey, Hollywood, Compton, East Ventura, and Norwalk
1112 AM PDT Wed Jul 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Hot and humid daytime conditions with high temperatures
between 88 and 96 common. Warm overnight conditions will bring
less relief than usual.
* WHERE...Los Angeles County Inland Coast including Downtown Los
Angeles and Ventura County Inland Coast.
* WHEN...Until 8 PM PDT Monday, peaking Thursday through Sunday.
* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...While today (Wednesday) will not be as hot as
previously expected, a sharp warm up is still on track for
Thursday.
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. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion and heat stroke.
&&
$$
Visit us at http://www.weather.gov/LosAngeles
RK
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
920 PM PDT Wed Jul 22 2026
PZZ745-232100-
/O.CON.KSGX.SC.Y.0011.000000T0000Z-260724T0400Z/
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island-
920 PM PDT Wed Jul 22 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
THURSDAY...
* WHAT...Northwesterly wind gusts of 20-25 knots and steep seas
6 to 7 ft expected.
* WHERE...Waters from San Mateo Point to the Mexican Border
Extending 10 to 60 nm out including San Clemente Island.
* WHEN...From noon Wednesday to 9 PM PDT Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Highest winds near San Clemente Island on
Thursday afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
840 PM PDT Wed Jul 22 2026
PZZ655-231200-
/O.CON.KLOX.SC.Y.0105.000000T0000Z-260723T0600Z/
/O.NEW.KLOX.SC.Y.0107.260723T2200Z-260724T0400Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
840 PM PDT Wed Jul 22 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM TO 9 PM PDT
THURSDAY...
* WHAT....Hazardous sea conditions.
* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA
including Santa Catalina and Anacapa Islands.
* WHEN...For the Small Craft Advisory, until 11 PM PDT this
evening. For the Small Craft Advisory, from 3 PM to 9 PM PDT
Thursday.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
840 PM PDT Wed Jul 22 2026
PZZ673-676-231200-
/O.CON.KLOX.GL.W.0024.000000T0000Z-260723T1000Z/
/O.NEW.KLOX.SC.Y.0107.260723T1000Z-260725T1000Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
840 PM PDT Wed Jul 22 2026
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM THURSDAY TO 3 AM PDT
SATURDAY...
* WHAT...For the Gale Warning, Northwest winds 20 to 30 kt with
gusts up to 35 kt and combined seas 6 to 10 ft when conditions
are worst. For the Small Craft Advisory, hazardous sea
conditions.
* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and
westward 60 nm including San Miguel and Santa Rosa Islands and
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands.
* WHEN...For the Gale Warning, until 3 AM PDT Thursday. For the
Small Craft Advisory, from 3 AM Thursday to 3 AM PDT Saturday.
* IMPACTS...Strong winds will create dangerous sea conditions
which could capsize or damage small and large vessels.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
Beach Hazards Statement
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
842 PM PDT Wed Jul 22 2026
CAZ354-362-366-270300-
/O.CON.KLOX.BH.S.0012.000000T0000Z-260727T0300Z/
Ventura County Beaches-Malibu Coast-Los Angeles County Beaches-
842 PM PDT Wed Jul 22 2026
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...
* WHAT...Large breaking waves of 3 to 6 feet. Dangerous rip
currents.
* WHERE...Ventura County Beaches, Malibu Coast and Los Angeles
County Beaches.
* WHEN...Through Sunday evening.
* IMPACTS...There is an increased risk of ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Waves can
wash people off beaches and rocks, and capsize small boats
nearshore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.
&&
$$
Coastal Hazard Message
National Weather Service San Diego CA
1214 PM PDT Wed Jul 22 2026
CAZ043-552-230515-
/O.NEW.KSGX.BH.S.0009.260723T1200Z-260727T0300Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
1214 PM PDT Wed Jul 22 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY EVENING...
* WHAT...Surf of 5 to 7 feet expected.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...From late tonight through Sunday evening.
* IMPACTS...Increased rip current risk and dangerous swimming
conditions. Minor coastal flooding possible during evening high
tides over the weekend with evening high tides 5.5 to 6.5 feet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
Never turn your back on the ocean.
&&
$$
CO
Air Quality Alert
CAZ048-055-061-065-554-240045-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Bernardino County Mountains-Coachella Valley-
San Gorgonio Pass near Banning-Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Crestline,
Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs,
Wrightwood, Indio, Palm Springs, Cathedral City, Palm Desert,
Palm Desert Country, La Quinta, Coachella, Santa Ana, Anaheim,
Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo
541 PM PDT Wed Jul 22 2026
...AIR QUALITY ALERT FOR HARMFUL LEVELS OF OZONE (SMOG) AIR
POLLUTION...
* WHAT...The South Coast AQMD has issued an air quality alert due to
harmful levels of ozone pollution.
Visit https://www.aqmd.gov/alertinfo to check current and forecasted
air quality levels.
* WHERE...in the South Coast Air Basin and Coachella Valley. Levels
of ozone pollution can vary by time and location depending on
emissions and air pollution transport.
* WHEN...until 8 PM Monday. The highest ozone levels typically occur
in the afternoon and early-evening hours.
* IMPACTS... Ozone air pollution can cause serious health problems,
including trouble breathing, asthma attacks, and lung damage.
Everyone can be affected, but sensitive groups such as people with
lung 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, check air quality levels and act as needed:
* When Air Quality Index (AQI) levels are "Unhealthy for
Sensitive Groups" (orange), sensitive groups as specified
above should limit extended or intense outdoor activity.
* When AQI is "Unhealthy" (red), everyone may experience health
impacts. Sensitive groups should avoid extended time outdoors.
* When AQI is "Very Unhealthy" (purple), sensitive groups should
avoid all outdoor physical activity. Everyone else should
avoid extended or intense outdoor activity.
* When AQI is "Hazardous" (maroon), everyone should avoid all
outdoor physical activity.
* ADDITIONAL DETAILS...
To help keep indoor air clean when air quality is poor:
* Keep windows and doors closed
* Run your air conditioner and/or an air purifier
* 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, and grilling
To help minimize outdoor ozone air pollution levels:
* Limit the use of gasoline powered lawn and garden equipment
until evening hours
* Try to delay trips to the gas station and the use of household
chemicals until the evening
$$
CAZ373-380-378-548-088-375-372-379-280300-
Eastern San Fernando Valley-
Including the cities of Burbank, Glendale, and Universal City
Eastern San Gabriel Mountains-
Interstate 5 Corridor-
Los Angeles County San Gabriel Valley-
Including the cities of Pasadena, San Gabriel, and Pomona
Santa Clarita Valley-
Including the cities of Santa Clarita, Newhall, and Valencia
Santa Susana Mountains-
Western San Fernando Valley-
Including the cities of Reseda, Woodland Hills, and Northridge
Western San Gabriel Mountains and Highway 14 Corridor-
520 PM PDT Wed Jul 22 2026
...AIR QUALITY ALERT FOR HARMFUL LEVELS OF OZONE (SMOG) AIR
POLLUTION...
* WHAT...The South Coast AQMD has issued an air quality alert due to
harmful levels of ozone pollution.
Visit https://www.aqmd.gov/alertinfo to check current and forecasted
air quality levels.
* WHERE...in the South Coast Air Basin and Coachella Valley. Levels
of ozone pollution can vary by time and location depending on
emissions and air pollution transport.
* WHEN...until 8 PM Monday. The highest ozone levels typically occur
in the afternoon and early-evening hours.
* IMPACTS... Ozone air pollution can cause serious health problems,
including trouble breathing, asthma attacks, and lung damage.
Everyone can be affected, but sensitive groups such as people with
lung 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, check air quality levels and act as needed:
* When Air Quality Index (AQI) levels are "Unhealthy for
Sensitive Groups" (orange), sensitive groups as specified
above should limit extended or intense outdoor activity.
* When AQI is "Unhealthy" (red), everyone may experience health
impacts. Sensitive groups should avoid extended time outdoors.
* When AQI is "Very Unhealthy" (purple), sensitive groups should
avoid all outdoor physical activity. Everyone else should
avoid extended or intense outdoor activity.
* When AQI is "Hazardous" (maroon), everyone should avoid all
outdoor physical activity.
* ADDITIONAL DETAILS...
To help keep indoor air clean when air quality is poor:
* Keep windows and doors closed
* Run your air conditioner and/or an air purifier
* 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, and grilling
To help minimize outdoor ozone air pollution levels:
* Limit the use of gasoline powered lawn and garden equipment
until evening hours
* Try to delay trips to the gas station and the use of household
chemicals until the evening
$$
