Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
457 AM PDT Thu Oct 8 2026
CAZ087-088-354>358-362-366>375-548-090300-
/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 Santa Clarita, East Ventura, Topanga,
Glendale, Avalon, Redondo Beach, Downey, Rancho Palos Verdes, East
Los Angeles, Van Nuys, Pasadena, Meiners Oaks, Santa Monica,
Chatsworth, Valencia, Ojai, Westlake Village, Burbank, Culver City,
Malibu, Malibu Bowl, Sunland, Oat Mountain, Malibu Lake, Torrance,
Moorpark, Pacific Palisades, Thousand Oaks, Norwalk, La Canada
Flintridge, Universal City, Fillmore, Woodland Hills, Long Beach,
Simi Valley, Santa Paula, Port Hueneme, LAX, Piru, Newhall, Compton,
Hollywood, El Monte, Pomona, Oak View, Northridge, Oxnard, Beverly
Hills, Newbury Park, Point Mugu, Camarillo, San Gabriel, Ventura, and
Lake Castaic
457 AM PDT Thu Oct 8 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
* WHAT...Dangerously hot conditions with temperatures reaching 90 to
100 at the coast and 106 in the valleys.
* WHERE...Coast and valleys of Los Angeles and Ventura Counties.
* WHEN...Until 8 PM PDT this evening.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
340 AM PDT Thu Oct 8 2026
CAZ522-090000-
/O.CON.KVEF.XH.W.0007.000000T0000Z-261010T0300Z/
Death Valley National Park-
Including the cities of Furnace Creek, Stovepipe Wells, and Shoshone
340 AM PDT Thu Oct 8 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Dangerously hot conditions with high temperatures near 110
degrees and overnight lows between 80 and 85 degrees. This will
yield at least major Heat Risk, impacting anyone without adequate
cooling and hydration.
* WHERE...Elevations in Death Valley National Park below 2000 feet.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and
loose-fitting clothing. Try to limit strenuous activities to early
morning or evening. Take action when you see symptoms of heat
exhaustion and heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Monitor the latest forecasts and warnings for updates.
&&
$$
AG
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1219 AM PDT Thu Oct 8 2026
CAZ048-090300-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Rancho Cucamonga, Fontana, Riverside,
Ontario, Corona, San Bernardino, and Moreno Valley
1219 AM PDT Thu Oct 8 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 103.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...Until 8 PM PDT this 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1219 AM PDT Thu Oct 8 2026
CAZ061-062-065-090300-
/O.CON.KSGX.XH.W.0010.000000T0000Z-261010T0300Z/
Coachella Valley-San Diego County Deserts-San Gorgonio Pass near
Banning-
Including the cities of Cathedral City, Coachella, Desert Hot
Springs, La Quinta, Palm Desert, Borrego Springs, Indio, Palm
Springs, Banning, and Palm Desert Country
1219 AM PDT Thu Oct 8 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Dangerously hot conditions with high temperatures 106 to
110.
* WHERE...Coachella Valley, San Diego County Deserts, and San
Gorgonio Pass near Banning.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1152 PM MST Wed Oct 7 2026
AZZ530-536-CAZ569-570-082100-
/O.CON.KPSR.XH.W.0010.261008T1700Z-261009T0300Z/
Parker Valley-Gila River Valley-Palo Verde Valley-Chuckwalla
Valley-
Including the cities of Ehrenberg, Parker, Martinez Lake, Ligurta,
Blythe, Ripley, Palo Verde, and Midland
1152 PM MST Wed Oct 7 2026 /1152 PM PDT Wed Oct 7 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
TO 8 PM MST /8 PM PDT/ THURSDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to
106 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, Gila River Valley and Parker Valley. In
California, Chuckwalla Valley and Palo Verde Valley.
* WHEN...From 10 AM MST /10 AM PDT/ to 8 PM MST /8 PM PDT/ Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
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.
&&
$$
GL
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
151 AM PDT Thu Oct 8 2026
CAZ300>322-081700-
/O.CON.KHNX.HT.Y.0007.000000T0000Z-261009T0500Z/
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 Atwater, Le Grand, Lake Mcclure,
Buttonwillow, Mariposa, Delano, Fish Camp, Avenal, Richgrove, Five
Points, Lamont, Fresno, El Portal, Tulare, Taft, Lemoore,
Bakersfield, Camp Nelson, Corcoran, Merced, Shafter, Arvin,
Blackwells Corner, Goshen, Madera, Auberry, Parlier, Selma, Lemoore
Station, Hanford, Oakhurst, Alpaugh, Coalinga, Coarsegold, Kerman,
Visalia, North Fork, Sanger, Millerton Lake, Porterville, San Luis
Reservoir, Los Banos, Kingsburg, Lost Hills, Planada, McKittrick,
Wasco, Bass Lake, and Kettleman City
151 AM PDT Thu Oct 8 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...High temperatures up to 101 degrees expected. Overnight lows
between 70 and 75 degrees expected in the Sierra and Coastal Range
Foothills where the thermal belt is strongest
* WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal
West Hills.
* WHEN...Until 10 PM PDT this evening.
* 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.
&&
$$
SM
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
851 PM PDT Wed Oct 7 2026
CAZ087-354-362-366-132100-
/O.EXT.KLOX.CF.Y.0008.000000T0000Z-261013T2100Z/
Catalina and Santa Barbara Islands-Ventura County Beaches-
Malibu Coast-Los Angeles County Beaches-
851 PM PDT Wed Oct 7 2026
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 2 PM PDT TUESDAY...
* WHAT...Minor to locally moderate coastal flooding with
elevated surf and dangerous rip currents expected.
* WHERE...Catalina and Santa Barbara Islands, Ventura County
Beaches, Malibu Coast and Los Angeles County Beaches.
* WHEN...Until 2 PM PDT Tuesday.
* IMPACTS...Moderate flooding of sea water is likely over some
vulnerable low-lying coastal areas, especially around the time
of high tide, including over beach parking lots, bike paths,
and harbor walkways. Moderate to significant beach erosion is
likely. Isolated damage is possible in most vulnerable areas.
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.
* ADDITIONAL DETAILS...The highest risk of coastal flooding is
likely Sunday, especially during the morning high tide.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take the necessary actions to protect flood-prone property. Do
NOT drive around barricades or through water of unknown depth.
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.
&&
$$
