Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
647 AM PDT Wed Aug 20 2025
CAZ300-304-307-308-313-314-316-317-319-321-202200-
/O.CON.KHNX.XH.W.0002.250822T1800Z-250824T1500Z/
West Side Mountains north of 198-Coalinga - Avenal-Fresno-Clovis-
West Side Mountains South of 198-Buena Vista-Bakersfield-South
End San Joaquin Valley-Mariposa Madera Foothills-Fresno-Tulare
Foothills-South End Sierra Foothills-
Including the cities of Avenal, Mariposa, Lamont, Bakersfield,
Millerton Lake, McKittrick, Blackwells Corner, Coalinga, Taft,
Arvin, Fresno, El Portal, and San Luis Reservoir
647 AM PDT Wed Aug 20 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM FRIDAY TO 8 AM
PDT SUNDAY...
* WHAT...Dangerously hot conditions with high temperatures up to 105
expected. Warm overnight lows in the mid 70s to lower 80s from
Friday until Sunday morning.
* WHERE...Bakersfield, Buena Vista, Coalinga - Avenal,
Fresno-Clovis, Fresno-Tulare Foothills, Mariposa Madera Foothills,
South End San Joaquin Valley, South End Sierra Foothills, West
Side Mountains South of 198, and West Side Mountains north of 198.
* WHEN...From 11 AM Friday to 8 AM PDT Sunday.
* 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 Los Angeles/Oxnard CA
508 AM PDT Wed Aug 20 2025
CAZ038-088-342>345-348-353-369-371>383-548-210200-
/O.CON.KLOX.XH.W.0002.250821T1800Z-250824T0400Z/
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-Western 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-Antelope Valley-Los Angeles County San Gabriel
Valley-
Including the cities of Lake Los Angeles, Glendale, Gorman, Los
Olivos, Matilija, Mill Creek, Valencia, Chatsworth, Topatopa
Mountains, Ozena, Elizabeth Lake, East Los Angeles, Pasadena,
Tejon Pass, Llano, Thousand Oaks, La Canada Flintridge, Big Pine
Mountain, New Cuyama, Newhall, Malibu Lake, Woodland Hills,
Sunland, Moorpark, Hearst Castle, Malibu Bowl, Burbank, Creston,
Westlake Village, Rose Valley, Lake Nacimiento, El Monte, Pomona,
Simi Valley, La Panza Range, Northridge, Pyramid Lake, San
Miguel, Carrizo Plain, Santa Ynez, Caliente Range, Templeton,
Valyermo, Figueroa Mountain, Solvang, Mount Baldy, Irish Hills,
Acton, Mount Wilson, Van Nuys, San Gabriel, Universal City, Lake
Palmdale, Newbury Park, Santa Margarita Lake, Lancaster, Oat
Mountain, The Angeles Crest Highway, Mount Pinos, Wrightwood,
Palmdale, San Rafael Mountain, Lake Cachuma, Lockwood Valley,
Pearblossom, Lake Castaic, Paso Robles, Warm Springs, Atascadero,
Shandon, and Santa Clarita
508 AM PDT Wed Aug 20 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9
PM PDT SATURDAY...
* WHAT...Dangerously hot conditions with temperatures of 95 to 110
degrees expected.
* WHERE...A portion of southwest California.
* WHEN...From 11 AM Thursday to 9 PM PDT Saturday.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for 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. 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.
Monitor the latest forecasts and warnings for updates.
&&
$$
