Flood Watch

[Wrightwood]

Cuyama Valley-Catalina and Santa Barbara Islands-Santa Clarita
Valley-San Luis Obispo County Beaches-San Luis Obispo County
Inland Central Coast-Santa Lucia Mountains-Southern Salinas
Valley-San Luis Obispo County Interior Valleys-San Luis Obispo
County Mountains-Santa Barbara County Central Coast Beaches-Santa
Barbara County Inland Central Coast-Santa Ynez Valley-Santa
Barbara County Southwestern Coast-Santa Barbara County
Southeastern Coast-Santa Ynez Mountains Western Range-Santa Ynez
Mountains Eastern Range-Santa Barbara County Interior Mountains-
Ventura County Beaches-Ventura County Inland Coast-Lake Casitas-
Ojai Valley-Central Ventura County Valleys-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-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 Santa Ynez, Simi Valley, Buellton, Lake
Cachuma, Gorman, Irish Hills, Santa Monica, La Panza Range,
Northridge, Elizabeth Lake, Sunland, Universal City, East Los
Angeles, Santa Clarita, Templeton, Piru, Shandon, Woodland Hills,
Lopez Lake, Creston, Llano, Warm Springs, San Luis Obispo,
Lockwood Valley, Pasadena, Redondo Beach, Lake Nacimiento,
Topanga, Oat Mountain, Burbank, Van Nuys, Los Olivos, Compton,
Topatopa Mountains, Valencia, Downey, San Miguel, Newhall,
Fillmore, LAX, Hearst Castle, San Rafael Mountain, Santa
Margarita Lake, Lake Castaic, Montecito Hills, Matilija, Pomona,
Lake Los Angeles, Arroyo Grande, Ojai, Valyermo, Lompoc, Long
Beach, New Cuyama, Mount Baldy, Meiners Oaks, Big Pine Mountain,
Lancaster, Malibu Bowl, Goleta, Camarillo, San Gabriel, Pismo
Beach, Westlake Village, Chatsworth, San Marcos Pass, Hollywood,
The Angeles Crest Highway, Rancho Palos Verdes, Oak View, Lake
Palmdale, Gaviota, Santa Barbara, Wrightwood, Norwalk, Avalon,
Mill Creek, El Monte, Santa Paula, Carrizo Plain, Atascadero,
Vandenberg Space Force Base, Pyramid Lake, Caliente Range, La
Canada Flintridge, Oxnard, Culver City, Morro Bay, El Capitan
State Beach, Port Hueneme, Nipomo, Malibu Lake, Acton,
Pearblossom, Glendale, Carpinteria, Solvang, Jalama Beach, Point
Mugu, Moorpark, Thousand Oaks, Cambria, Figueroa Mountain,
Montecito, Ozena, Tejon Pass, Rose Valley, Palmdale, Avila Beach,
Mount Pinos, Paso Robles, Ventura, Newbury Park, Santa Maria,
Beverly Hills, Torrance, Mount Wilson, Refugio State Beach, and
East Ventura
1151 AM PST Sun Dec 21 2025

...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
EVENING...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...For San Luis Obispo, Santa Barbara, Ventura and Los
Angeles counties.

* WHEN...From Tuesday afternoon through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Mud and debris flows will be possible across foothill and mountain
areas, including recent burn scars.

[Wrightwood]

San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Riverside County Mountains-Santa Ana
Mountains and Foothills-Apple and Lucerne Valleys-Coachella
Valley-San Gorgonio Pass near Banning-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Laguna Beach, Crestline, Cathedral City,
Wrightwood, Orange, Big Bear Lake, La Quinta, Big Bear City,
Apple Valley, Santa Ana, Lucerne Valley, Indio, Riverside, Lake
Arrowhead, Coachella, Ontario, Hesperia, Victorville, Fontana,
Irvine, Newport Beach, Palm Springs, Palm Desert, Palm Desert
Country, Running Springs, San Clemente, San Bernardino, Mission
Viejo, Huntington Beach, Moreno Valley, Corona, Anaheim, Garden
Grove, Idyllwild-Pine Cove, Costa Mesa, Rancho Cucamonga, and
Fullerton
1147 AM PST Sun Dec 21 2025

...FLOOD WATCH IN EFFECT FROM 4 PM TUESDAY THROUGH 10 PM WEDNESDAY...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...A portion of Southwest California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley, Orange County
Coastal Areas, Orange County Inland Areas, Riverside County
Mountains, San Bernardino County Mountains, San Bernardino and
Riverside County Valleys-The Inland Empire, San Gorgonio Pass near
Banning and Santa Ana Mountains and Foothills.

* WHEN...From Tuesday afternoon through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Mud and debris flow are possible near and in burn scars, including
the Airport, Bridge and Line burn scars.

* ADDITIONAL DETAILS...
- An Atmospheric River is expected to bring widespread moderate
to heavy rain to the area late Tuesday through Wednesday.
Showers could begin to develop as early as Tuesday evening,
especially in the mountains. Heaviest most widespread rain is
expected Wednesday morning continuing through the afternoon
in the Coachella Valley and in the mountains. Peak rainfall
rates of 0.50 to 1 inch per hour are expected. There is a
potential for locally heavier hourly rainfall rates to
develop with convection embedded in the main rain band or in
thunderstorms after the main band passes. Scattered locally
heavy showers could continue into Thursday but impacts from
any additional rain are expected to be more localized.
-Snow levels are expected to remain above 8000 ft during
period of heaviest precipitation bringing a heightened risk
of mud slides, debris flow, and areas of flash flooding in
the San Bernardino county mountains.
- https://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

[Wrightwood]

Cuyama Valley-Catalina and Santa Barbara Islands-Santa Clarita
Valley-San Luis Obispo County Beaches-San Luis Obispo County
Inland Central Coast-Santa Lucia Mountains-Southern Salinas
Valley-San Luis Obispo County Interior Valleys-San Luis Obispo
County Mountains-Santa Barbara County Central Coast Beaches-Santa
Barbara County Inland Central Coast-Santa Ynez Valley-Santa
Barbara County Southwestern Coast-Santa Barbara County
Southeastern Coast-Santa Ynez Mountains Western Range-Santa Ynez
Mountains Eastern Range-Santa Barbara County Interior Mountains-
Ventura County Beaches-Ventura County Inland Coast-Lake Casitas-
Ojai Valley-Central Ventura County Valleys-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-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 Ojai, Atascadero, Jalama Beach, LAX,
Newhall, Nipomo, Montecito Hills, Pearblossom, Redondo Beach,
Lake Nacimiento, Piru, Caliente Range, Vandenberg Space Force
Base, Van Nuys, Oat Mountain, San Rafael Mountain, Burbank, San
Luis Obispo, Torrance, Montecito, Westlake Village, Santa Paula,
Templeton, Matilija, Avalon, San Gabriel, Lopez Lake, Mount
Baldy, Valencia, Ventura, Llano, San Miguel, Santa Barbara,
Figueroa Mountain, Paso Robles, Compton, Hearst Castle, Tejon
Pass, Santa Maria, Culver City, Sunland, Moorpark, Warm Springs,
Downey, Avila Beach, San Marcos Pass, Mill Creek, Valyermo,
Pasadena, Chatsworth, Meiners Oaks, La Panza Range, El Monte,
Morro Bay, Thousand Oaks, Santa Margarita Lake, New Cuyama,
Woodland Hills, Rose Valley, Acton, Lockwood Valley, Lake Los
Angeles, Wrightwood, Arroyo Grande, Elizabeth Lake, Simi Valley,
Cambria, Refugio State Beach, La Canada Flintridge, Los Olivos,
Carpinteria, Lake Palmdale, Point Mugu, Topanga, Northridge,
Hollywood, Big Pine Mountain, Glendale, Lake Castaic, Mount
Wilson, El Capitan State Beach, Beverly Hills, Fillmore, Pomona,
Lompoc, Shandon, Topatopa Mountains, Irish Hills, Ozena, Long
Beach, Gaviota, Santa Ynez, Mount Pinos, Malibu Lake, East Los
Angeles, Norwalk, Santa Clarita, The Angeles Crest Highway, East
Ventura, Universal City, Malibu Bowl, Goleta, Newbury Park,
Carrizo Plain, Creston, Port Hueneme, Oak View, Buellton,
Solvang, Lancaster, Oxnard, Rancho Palos Verdes, Pyramid Lake,
Santa Monica, Pismo Beach, Lake Cachuma, Camarillo, Gorman, and
Palmdale
1200 PM PST Mon Dec 22 2025

...FLOOD WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...For all areas of San Luis Obispo, Santa Barbara, Ventura
and Los Angeles counties.

* WHEN...From Tuesday afternoon through Thursday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Mud and debris flows will be possible across foothill and mountain
areas, including recent burn scars.

* ADDITIONAL DETAILS...
- A moderate to strong atmospheric river will impact
Southwestern California Tuesday through Thursday. Heavy
rainfall is expected with high rainfall rates. So, widespread
urban flooding will be possible along with mud and debris
flows across all foothills and mountain areas.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

[Wrightwood]

San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Riverside County Mountains-Santa Ana
Mountains and Foothills-Apple and Lucerne Valleys-Coachella
Valley-San Gorgonio Pass near Banning-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Palm Desert, Orange, Lake Arrowhead,
Idyllwild-Pine Cove, Riverside, San Bernardino, Santa Ana, La
Quinta, Wrightwood, Hesperia, Huntington Beach, Apple Valley,
Corona, Big Bear City, Cathedral City, Laguna Beach, Anaheim,
Irvine, Indio, San Clemente, Garden Grove, Costa Mesa, Fullerton,
Fontana, Coachella, Mission Viejo, Palm Desert Country, Ontario,
Moreno Valley, Big Bear Lake, Crestline, Palm Springs, Rancho
Cucamonga, Lucerne Valley, Newport Beach, Victorville, and
Running Springs
117 AM PST Tue Dec 23 2025

...FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of Southwest California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley, Orange County
Coastal Areas, Orange County Inland Areas, Riverside County
Mountains, San Bernardino County Mountains, San Bernardino and
Riverside County Valleys-The Inland Empire, San Gorgonio Pass near
Banning and Santa Ana Mountains and Foothills.

* WHEN...From late this evening through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- An Atmospheric River will bring widespread moderate to heavy
rain to the region late tonight through Wednesday. Showers
could begin to develop as early as this afternoon, especially
in the San Bernardino County mountains. The heaviest and most
widespread rain is expected Wednesday morning through
evening. Peak rainfall rates of 0.50 to 1 inch per hour are
expected. There is a potential for locally heavier hourly
rainfall rates to develop with convection embedded in the
main rain band or in thunderstorms after the main band
passes. Scattered locally heavy showers could continue into
Thursday but impacts from any additional rain are expected to
be more localized.

Snow levels are expected to remain above 8000 feet during
period of heaviest precipitation bringing a heightened risk
of mud slides, debris flow, and areas of flash flooding in
the San Bernardino county mountains.
- https://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

Be alert in the mountains for rockslides and rocks in the road.