Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
922 PM PDT Sat Jul 25 2026
CAZ060-261315-
/O.CON.KSGX.XH.W.0006.000000T0000Z-260728T0300Z/
Apple and Lucerne Valleys-
Including the cities of Hesperia, Victorville, Apple Valley, and
Lucerne Valley
922 PM PDT Sat Jul 25 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures of 100 to
107 and low temperatures in the low 70s to low 80s.
* WHERE...Apple and Lucerne Valleys.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
819 PM PDT Sat Jul 25 2026
CAZ337-339-261200-
/O.CON.KHNX.XH.W.0001.000000T0000Z-260728T0400Z/
Indian Wells Valley-Mojave Desert-
Including the cities of Randsburg, Ridgecrest, Rosamond, Edwards AFB,
California City, and Inyokern
819 PM PDT Sat Jul 25 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY...
* WHAT...Dangerously hot conditions with high temperatures between
105 to 111 degrees and low temperatures between 75 to 81 degrees.
* WHERE...Indian Wells Valley and Mojave Desert.
* WHEN...Until 9 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
BSO
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
512 AM PDT Sat Jul 25 2026
AZZ002-570-571-576-CAZ522>527-NVZ016-017-020-022-025-026-261200-
/O.CON.KVEF.XH.W.0002.000000T0000Z-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 Yucca, Topock, Valentine, Boulder City,
Cal-Nev-Ari, Amargosa Valley, Pahrump, North Las Vegas,
Searchlight, Golden Valley, Morongo Valley, Kingman, Barstow,
Shoshone, Fort Irwin, Vidal Junction, Stovepipe Wells, Mesquite,
Moapa, Baker, Dolan Springs, Henderson, Mitchell Caverns, Furnace
Creek, Desert Rock, Bullhead City, Las Vegas, Primm, Indian Springs,
South Cove, Laughlin, Desert Hills, Hoover Dam, Mountain Pass, Yucca
Valley, Twentynine Palms, Overton, Daggett, Needles, Wikieup, Lake
Havasu City, and Temple Bar
512 AM PDT Sat Jul 25 2026 /512 AM MST Sat Jul 25 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 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...Until 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.
&&
$$
AG
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
411 AM PDT Fri Jul 24 2026
CAZ383-262145-
/O.CON.KLOX.XH.W.0003.000000T0000Z-260728T0300Z/
Antelope Valley-
Including the cities of Lake Los Angeles, Palmdale, and Lancaster
411 AM PDT Fri Jul 24 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Hot daytime conditions with high temperatures between 100
and 108 common. Warm overnight conditions will bring less relief
than usual.
* WHERE...Antelope Valley.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Do not leave young
children and pets in unattended vehicles. Limit strenuous activities
to early morning or evening. Take action when you see symptoms of
heat exhaustion.
&&
$$
Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
833 PM PDT Sat Jul 25 2026
PZZ565-261145-
/O.CON.KMTR.GL.W.0026.000000T0000Z-260727T1000Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
833 PM PDT Sat Jul 25 2026
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt.
* WHERE...Coastal Waters from Point Pinos to Point Piedras
Blancas California out to 10 NM.
* WHEN...Until 3 AM PDT Monday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
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 hazardous conditions.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
411 AM PDT Fri Jul 24 2026
CAZ038-088-342>345-348-351>353-356>358-369>382-548-262145-
/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 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-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 Pomona, Malibu Lake, Lake Castaic,
Topanga, Piru, Solvang, Elizabeth Lake, Rose Valley, Thousand
Oaks, Woodland Hills, Carrizo Plain, Acton, Pasadena, Warm
Springs, Simi Valley, Mount Baldy, Ojai, Valencia, Montecito
Hills, Big Pine Mountain, La Canada Flintridge, Glendale,
Moorpark, Pearblossom, Creston, Hearst Castle, Santa Paula, Santa
Margarita Lake, Van Nuys, Oak View, Lake Nacimiento, Figueroa
Mountain, Lake Cachuma, Northridge, Mill Creek, Paso Robles,
Pyramid Lake, Gorman, Malibu Bowl, Mount Pinos, Los Olivos,
Topatopa Mountains, Lockwood Valley, Shandon, Ozena, Meiners
Oaks, Newbury Park, Westlake Village, San Gabriel, Fillmore,
Mount Wilson, Santa Ynez, Valyermo, Oat Mountain, Sunland, Llano,
East Los Angeles, The Angeles Crest Highway, San Miguel,
Matilija, Santa Clarita, Atascadero, Universal City, Wrightwood,
Irish Hills, San Marcos Pass, Templeton, El Monte, Lake Palmdale,
New Cuyama, Burbank, La Panza Range, Tejon Pass, Newhall, San
Rafael Mountain, Chatsworth, and Caliente Range
411 AM PDT Fri Jul 24 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
* WHAT...Hot daytime conditions with high temperatures between 95
and 105 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.
* 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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
829 PM PDT Sat Jul 25 2026
PZZ645-261130-
/O.CON.KLOX.SC.Y.0108.000000T0000Z-260728T1000Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
829 PM PDT Sat Jul 25 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...
* WHAT...Hazardous sea conditions....GALE WARNING IS CANCELLED.
* WHERE...Point Piedras Blancas to Point Sal westward out to 10
NM.
* WHEN...Until 3 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
829 PM PDT Sat Jul 25 2026
PZZ670-673-261130-
/O.EXT.KLOX.SC.Y.0108.000000T0000Z-260728T0000Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
829 PM PDT Sat Jul 25 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM PDT MONDAY...
* WHAT...Hazardous sea conditions.
* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM
and Waters from Pt. Sal to Santa Cruz Island CA and westward
60 nm including San Miguel and Santa Rosa Islands.
* WHEN...Until 5 PM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Beach Hazards Statement
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
150 PM PDT Sat Jul 25 2026
CAZ340-346-272300-
/O.EXT.KLOX.BH.S.0012.000000T0000Z-260730T0100Z/
San Luis Obispo County Beaches-
Santa Barbara County Central Coast Beaches-
150 PM PDT Sat Jul 25 2026
...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH WEDNESDAY
AFTERNOON...
* WHAT...Dangerous rip currents.
* WHERE...San Luis Obispo County Beaches and Santa Barbara
County Central Coast Beaches.
* WHEN...Through Wednesday afternoon.
* 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.
&&
$$
Coastal Hazard Message
National Weather Service San Francisco CA
1250 PM PDT Sat Jul 25 2026
CAZ006-505-509-529-530-261200-
/O.CON.KMTR.BH.S.0018.000000T0000Z-260730T0100Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
1250 PM PDT Sat Jul 25 2026
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...
* WHAT...Long-period southerly swell will bring an increased risk
of sneaker waves and strong rip currents. Breaking waves will
reach up to 10 feet along some south and southwest facing
beaches and break points.
* WHERE...Beaches along the Pacific Coast.
* WHEN...Through Wednesday afternoon.
* IMPACTS...Dangerous conditions are forecast along the
shoreline. Hazards include sneaker waves, strong rip currents,
and large breaking waves.
* ADDITIONAL DETAILS...This swell is being generated by tropical
cyclones in the Eastern Pacific.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.
&&
$$
Air Quality Alert
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
$$
