


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Los Angeles, CA
Issued by NWS Los Angeles, CA
579 FNUS56 KLOX 041625 FWFLOX Fire Weather Planning Forecast For Southwestern California National Weather Service Los Angeles/Oxnard CA 925 AM PDT Thu Sep 4 2025 .DISCUSSION... The monsoonal moisture and instability continue to diminish across our mountains and deserts, with the thunderstorm probability only 5 to 15 percent across the San Gabriel mountains and northern Ventura county mountains. If any storms were to develop, the main threats would be isolated dry lightning strikes and gusty winds as moisture remains limited. As the upper level ridge of high pressure continued to weaken and onshore flow near the surface gradually increases, there will continue to be a slight downward trend in temperatures the next few days, but still very warm across the interior with temperatures well into the 90s. The very warm temperatures combined with residual instability will result in moderately deep mixing heights between 10,000 and 13,000 feet each afternoon through Saturday. As a result, there is still an elevated risk for large plume dominated fires across the interior. With a drying air mass, the humidity levels will trend down the next few days, with minimums between 10 and 20 percent becoming common by Friday and Saturday. Typical diurnal winds are anticipated for the next several days, except for Sundowner winds for southwestern Santa Barbara County during the evenings (northwest 15 to 25 mph with gust to 35 mph). CAZ354-355-362-366>368-042330- Ventura County Beaches-Ventura County Inland Coast-Malibu Coast- Los Angeles County Beaches-Palos Verdes Hills- Los Angeles County Inland Coast including Downtown Los Angeles- Including the cities of Oxnard, Point Mugu, Port Hueneme, Ventura, Camarillo, East Ventura, Malibu, Pacific Palisades, LAX, Long Beach, Redondo Beach, Santa Monica, Torrance, Rancho Palos Verdes, Beverly Hills, Compton, Culver City, Downey, Hollywood, and Norwalk 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny except patchy morning low clouds and fog. Max temperature.....74-79 beaches to 86-92 inland. 24 hr trend......Little change. Min humidity........60-70 percent beaches to 35-60 percent inland. 24 hr trend......Little change. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear except patchy low clouds and fog forming overnight. Min temperature.....58-66. Max humidity........85-100 percent. 20-foot winds.......Southwest 8-15 mph with gusts to 25 mph early becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny except areas of morning low clouds and fog. Max temperature.....72-77 beaches to 84-90 inland. Min humidity........60-70 percent beaches to 35-60 percent inland. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ371>374-548-042330- Calabasas and Agoura Hills-Western San Fernando Valley- Eastern San Fernando Valley-Southeastern Ventura County Valleys- Los Angeles County San Gabriel Valley- Including the cities of Westlake Village, Malibu Lake, Northridge, Woodland Hills, Van Nuys, Chatsworth, Burbank, Universal City, Glendale, Sunland, La Canada Flintridge, Moorpark, Newbury Park, Simi Valley, Thousand Oaks, East Los Angeles, El Monte, Pasadena, Pomona, and San Gabriel 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....81-91 except 96-101 farthest inland. 24 hr trend......Little change. Min humidity........25-45 percent. 24 hr trend......Little change. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....58-67. Max humidity........65-85 percent. 20-foot winds.......Southwest 6-12 mph with gusts to 20 mph early becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....79-88 except 93-98 farthest inland. Min humidity........20-40 percent. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ369-370-042330- Western Santa Monica Mountains Recreational Area- Eastern Santa Monica Mountains Recreational Area- Including the cities of Malibu Bowl and Topanga 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....85-94 except 75-80 closer to the coast. 24 hr trend......Down 4. Min humidity........25-45 percent except 45-60 percent closer to the coast. 24 hr trend......Down 12. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 8-15 mph with local canyon gusts to 30 mph in the afternoon. Ridges..........Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....58-68. Max humidity........65-85 percent. 20-foot winds....... Valleys.........West 8-15 mph with local canyon gusts to 30 mph in the evening becoming variable 3-6 mph. Ridges..........West 8-15 mph with gusts to 25 mph in the evening becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....81-90 except 73-78 closer to the coast. Min humidity........25-45 percent except 45-60 percent closer to the coast. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 8-15 mph with local canyon gusts to 30 mph in the afternoon. Ridges..........Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ380-382-042330- Eastern San Gabriel Mountains-Eastern Antelope Valley Foothills- Including the cities of Mount Wilson, Mount Baldy, Wrightwood, The Angeles Crest Highway, Valyermo, Llano, and Pearblossom 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....85-95 low elevations to 70-77 higher elevations. 24 hr trend......Little change. Min humidity........20-40 percent. 24 hr trend......Little change. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........None. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....56-65. Max humidity........40-55 percent except 55-70 percent colder valleys and slopes. 20-foot winds....... Valleys.........Southwest 6-12 mph with gust to 20 mph in the evening becoming variable 3-6 mph. Ridges..........Southwest 6-12 mph with gust to 20 mph in the evening becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....83-93 low elevations to 70-77 higher elevations. Min humidity........15-35 percent. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ378-379-381-042330- Interstate 5 Corridor- Western San Gabriel Mountains and Highway 14 Corridor- Western Antelope Valley Foothills- Including the cities of Tejon Pass, Gorman, Pyramid Lake, Acton, Warm Springs, Mill Creek, Elizabeth Lake, and Lake Palmdale 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....88-96 low elevations to 78-86 higher elevations. 24 hr trend......Little change. Min humidity........20-30 percent. 24 hr trend......Down 4. 20-foot winds....... Valleys.........North 5-10 mph with gusts to 15 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........North 5-10 mph with gusts to 15 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........None. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....63-72 except 57-62 colder valleys and slopes. Max humidity........35-50 percent. 20-foot winds....... Valleys.........Southwest 8-15 mph with gusts to 25 mph. Ridges..........Southwest 8-15 mph with gusts to 25 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....86-94 low elevations to 76-84 higher elevations. Min humidity........20-30 percent. 20-foot winds....... Valleys.........Southwest 6-12 mph becoming 10-20 mph with gusts to 30 mph in the afternoon. Ridges..........Southwest 6-12 mph becoming 10-20 mph with gusts to 30 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ383-042330- Antelope Valley- Including the cities of Palmdale, Lancaster, and Lake Los Angeles 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....93-100. 24 hr trend......Little change. Min humidity........15-25 percent. 24 hr trend......Down 4. 20-foot winds.......Southwest 6-12 mph becoming 10-20 mph with gusts to 30 mph in the afternoon. Marine layer........None. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....62-70. Max humidity........35-45 percent. 20-foot winds.......Southwest 10-20 mph with gusts to 30 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....91-99. Min humidity........10-20 percent. 20-foot winds.......Southwest 6-12 mph becoming 10-20 mph with gusts to 30 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ288-356>358-375-042330- Santa Clarita Valley-Lake Casitas-Ojai Valley- Central Ventura County Valleys-Santa Susana Mountains- Including the cities of Meiners Oaks, Oak View, Ojai, Fillmore, Piru, Santa Paula, and Oat Mountain 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....90-100 except 79-84 closer to the coast. 24 hr trend......Little change. Min humidity........35-55 percent except 20-35 percent farthest inland. 24 hr trend......Down 4. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....54-63 except 68-73 in the hills. Max humidity........75-100 percent except 45-60 percent in the hills. 20-foot winds.......Southwest 6-12 mph with gusts to 20 mph early becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....87-97 except 76-81 closer to the coast. Min humidity........35-50 percent except 20-30 percent farthest inland. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ376-377-042330- Southern Ventura County Mountains-Northern Ventura County Mountains- Including the cities of Rose Valley, Matilija, Topatopa Mountains, Lockwood Valley, Mount Pinos, and Ozena 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....87-97 low elevations to 76-83 higher elevations. 24 hr trend......Up 4. Min humidity........20-30 percent. 24 hr trend......Down 4. 20-foot winds....... Valleys.........Northeast 6-12 mph becoming south 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........Northeast 6-12 mph becoming south 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........None. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....51-61. Max humidity........40-60 percent. 20-foot winds....... Valleys.........Southwest 6-12 mph with gusts to 20 mph in the evening becoming north 5-10 mph. Ridges..........Southwest 6-12 mph with gusts to 20 mph in the evening becoming north 5-10 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....85-94 low elevations to 75-83 higher elevations. Min humidity........15-25 percent. 20-foot winds....... Valleys.........Northeast 6-12 mph becoming south 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........Northeast 6-12 mph becoming south 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ350-352-042330- Santa Barbara County Southeastern Coast- Santa Ynez Mountains Eastern Range- Including the cities of Carpinteria, Goleta, Montecito, Santa Barbara, and Montecito Hills 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny except patchy morning low clouds and fog. Max temperature.....72-82 except 89-94 in the hills. 24 hr trend......Little change. Min humidity........50-70 percent except 25-40 percent in the hills. 24 hr trend......Down 4. 20-foot winds.......Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....58-67. Max humidity........80-100 percent except 50-65 percent in the hills. 20-foot winds.......West 6-12 mph with gusts to 20 mph early becoming northeast 5-10 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....71-81 except 86-91 in the hills. Min humidity........50-70 percent except 25-40 percent in the hills. 20-foot winds.......Southeast 5-10 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ349-351-042330- Santa Barbara County Southwestern Coast- Santa Ynez Mountains Western Range- Including the cities of El Capitan State Beach, Gaviota, Jalama Beach, Refugio State Beach, and San Marcos Pass 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....70-79 except 81-86 warmer hills. 24 hr trend......Little change. Min humidity........40-60 percent. 24 hr trend......Up 4. 20-foot winds.......North 6-12 mph becoming west 10-20 mph with gusts to 30 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....54-64. Max humidity........70-100 percent. 20-foot winds.......Northwest 10-20 mph with gusts to 35 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....68-77 except 79-84 warmer hills. Min humidity........40-60 percent. 20-foot winds.......Northwest 5-10 mph becoming northwest 10-20 mph with gusts to 30 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ340-341-346>348-042330- San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast- Santa Barbara County Central Coast Beaches- Santa Barbara County Inland Central Coast-Santa Ynez Valley- Including the cities of Arroyo Grande, Avila Beach, Cambria, Morro Bay, Pismo Beach, Lopez Lake, Nipomo, San Luis Obispo, Lompoc, Vandenberg Space Force Base, Buellton, Santa Maria, Lake Cachuma, Los Olivos, Santa Ynez, and Solvang 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny except areas of morning low clouds and fog. Max temperature.....64-71 beaches to 84-94 inland. 24 hr trend......Little change. Min humidity........70-80 percent beaches to 30-50 percent inland. 24 hr trend......Little change. 20-foot winds.......Northwest 6-12 mph. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Low clouds and fog forming overnight. Min temperature.....48-58. Max humidity........90-100 percent. 20-foot winds.......Northwest 8-15 mph with gusts to 25 mph early becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny except areas of morning low clouds and fog. Max temperature.....64-71 beaches to 82-92 inland. Min humidity........70-80 percent beaches to 30-50 percent inland. 20-foot winds.......Variable 3-6 mph becoming northwest 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ345-353-042330- San Luis Obispo County Mountains- Santa Barbara County Interior Mountains- Including the cities of Caliente Range, La Panza Range, Santa Margarita Lake, Big Pine Mountain, Figueroa Mountain, and San Rafael Mountain 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny. Max temperature.....91-98 low elevations to 81-89 higher elevations. 24 hr trend......Little change. Min humidity........20-35 percent. 24 hr trend......Down 4. 20-foot winds....... Valleys.........East 5-10 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........East 5-10 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....55-65. Max humidity........40-60 percent except 70-85 percent colder valleys and slopes. 20-foot winds....... Valleys.........West 6-12 mph with gusts to 20 mph in the evening becoming northeast 5-10 mph. Ridges..........West 6-12 mph with gusts to 20 mph in the evening becoming northeast 5-10 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....89-96 low elevations to 79-87 higher elevations. Min humidity........15-30 percent. 20-foot winds....... Valleys.........Southeast 5-10 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........Southeast 5-10 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ342-343-042330- Santa Lucia Mountains-Southern Salinas Valley- Including the cities of Hearst Castle, Irish Hills, Atascadero, Lake Nacimiento, Paso Robles, San Miguel, and Templeton 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny except patchy morning low clouds and fog. Max temperature.....88-98 except 69-74 closer to the coast. 24 hr trend......Little change. Min humidity........20-40 percent except 50-65 percent closer to the coast. 24 hr trend......Little change. 20-foot winds....... Valleys.........Northwest 5-10 mph with gust to 15 mph becoming west 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........Northwest 5-10 mph with gust to 15 mph becoming west 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........1000 ft asl. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....51-61. Max humidity........75-100 percent. 20-foot winds....... Valleys.........West 6-12 mph with gusts to 20 mph in the evening becoming variable 3-6 mph. Ridges..........West 6-12 mph with gusts to 20 mph in the evening becoming variable 3-6 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....85-95 except 68-73 closer to the coast. Min humidity........15-30 percent except 50-65 percent closer to the coast. 20-foot winds....... Valleys.........Variable 3-6 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........Variable 3-6 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ CAZ238-344-042330- Cuyama Valley-San Luis Obispo County Interior Valleys- Including the cities of Carrizo Plain, Creston, and Shandon 925 AM PDT Thu Sep 4 2025 .TODAY... Sky/weather.........Sunny except patchy morning low clouds and dense fog. Max temperature.....90-100. 24 hr trend......Little change. Min humidity........20-25 percent. 24 hr trend......Little change. 20-foot winds.......East 5-10 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........None. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Clear. Min temperature.....54-64. Max humidity........75-100 percent except 40-55 percent in the hills. 20-foot winds.......West 8-15 mph with gusts to 25 mph in the evening becoming southwest 5-10 mph. CWR (>0.10 in)......0 percent. .FRIDAY... Sky/weather.........Sunny. Max temperature.....88-97. Min humidity........15-20 percent. 20-foot winds.......Variable 3-6 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. CWR (>0.10 in)......0 percent. $$ .Extended... ...Coasts/Valleys Including the Santa Monica Range... .SATURDAY...Clear except patchy night through morning low clouds and fog. Lows in the 50s to lower 60s. Highs from the upper 60s to mid 70s at the beaches to the mid 80s to mid 90s inland. Northeast winds 8 to 15 mph. .SUNDAY...Clear except patchy night through morning low clouds and fog. Lows in the mid 50s to lower 60s. Highs from the upper 60s to mid 70s at the beaches to the 80s to lower 90s inland. North winds 10 to 20 mph with gusts to 30 mph. .MONDAY...Clear except patchy night through morning low clouds and fog. Lows in the mid 50s to lower 60s. Highs from the upper 60s to mid 70s at the beaches to the 80s to around 90 inland. North winds 15 to 25 mph with gusts to 35 mph. ...Mountains / Los Padres and Angeles National Forests... .SATURDAY...Clear. Lows from the upper 50s to mid 60s at low elevations to the mid 40s to around 50 in colder valleys and peaks. Highs from the 80s to lower 90s at low elevations to the 70s at high elevations. Northeast winds 8 to 15 mph. .SUNDAY...Clear. Lows from the upper 50s to mid 60s at low elevations to the mid 40s to around 50 in colder valleys and peaks. Highs from the 80s to around 90 at low elevations to the 70s at high elevations. North winds 8 to 15 mph. .MONDAY...Clear. Lows from the mid 50s to mid 60s at low elevations to the 40s in colder valleys and peaks. Highs from the upper 70s and 80s at low elevations to the upper 60s to mid 70s at high elevations. North winds 10 to 20 mph with gusts to 30 mph. ...Antelope Valley... .SATURDAY...Clear. Lows in the mid 50s to mid 60s. Highs in the upper 80s to mid 90s. Southwest winds 15 to 25 mph with gusts to 35 mph. .SUNDAY...Clear. Lows in the mid 50s to mid 60s. Highs in the upper 80s to mid 90s. Southwest winds 15 to 25 mph with gusts to 35 mph. .MONDAY...Clear. Lows in the mid 50s to mid 60s. Highs in the 80s to lower 90s. West winds 15 to 25 mph with gusts to 35 mph. $$ Gomberg/Schoenfeld WWW.WEATHER.GOV/LOSANGELES