Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Los Angeles, CA
Issued by NWS Los Angeles, CA
029 FNUS56 KLOX 191638 FWFLOX Fire Weather Planning Forecast For Southwestern California National Weather Service Los Angeles/Oxnard CA 938 AM PDT Thu Sep 19 2024 ...MODERATE RISK OF SIGNIFICANT FLASH FLOODING AND DEBRIS FLOWS OVER SOME INTERIOR MOUNTAINS AND VALLEYS TODAY, FLASH FLOOD WATCH ISSUED... ...CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH FRIDAY... .DISCUSSION... An unseasonable low pressure system, currently 50 miles west of Morro Bay, will swing through southwest California into Friday. This will result in continued cool and moist conditions through Friday. This system is unstable and will carry chances for thunderstorms over most areas with locally heavy rain. The focus today will be over San Luis Obispo, Santa Barbara, and Ventura Counties, with the greatest risks over the interior areas where there is a moderate risk of rain rates exceeding 1 inch per hour. Rain this intense would be capable of producing significant debris flows over recent burn areas, especially for the Hurricane and Apache burn scars. The Lake Fire is also of concern, but the risk is lower. As the system moves east tonight and Friday, the shower and thunderstorm activity should decrease but still remain in a more localized nature. While the risk is low for debris flows over the Post and Bridge burn scars on Friday, it is not zero and will continue to be assessed. Coastal and valley areas also have a chance for rain, but the risk for heavy rain is very low. Winds will be light tonight, then increase on Thursday and Friday with a significant wind shift from southeast to northwest as the low moves through. High pressure will quickly build aloft over the weekend, with steady and significant warming and drying into early next week. CAZ354-355-362-366>368-192315- 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 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy. Patchy drizzle in the morning. Max temperature.....62-67 beaches to 71-74 inland. 24 hr trend......Little change. Min humidity........65-75 percent beaches to 50-65 percent inland. 24 hr trend......Up 12. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph in the afternoon. Marine layer........4000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Partly cloudy in the evening then mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Min temperature.....51-61. Max humidity........80-100 percent. 20-foot winds.......Southwest 8-15 mph in the evening becoming variable 3-6 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Max temperature.....64-69 beaches to 72-75 inland. Min humidity........55-75 percent. 20-foot winds.......Variable 3-6 mph becoming southwest 8-15 mph in the afternoon. LAL.................2. CWR (>0.10 in)......10 percent. $$ CAZ370-372-373-548-192315- Eastern Santa Monica Mountains Recreational Area- Western San Fernando Valley-Eastern San Fernando Valley- Los Angeles County San Gabriel Valley- Including the cities of Topanga, Northridge, Woodland Hills, Van Nuys, Chatsworth, Burbank, Universal City, Glendale, Sunland, La Canada Flintridge, East Los Angeles, El Monte, Pasadena, Pomona, and San Gabriel 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Patchy drizzle in the morning. Max temperature.....65-75. 24 hr trend......Little change. Min humidity........45-60 percent. 24 hr trend......Up 6. 20-foot winds....... Valleys.........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. Local canyon gusts to 30 mph. Ridges..........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........4000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Partly cloudy in the evening then mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Min temperature.....51-59. Max humidity........80-100 percent. 20-foot winds....... Valleys.........South 6-12 mph with gusts to 20 mph in the evening becoming variable 3-6 mph. Ridges..........Southwest 6-12 mph with gusts to 20 mph in the evening becoming variable 3-6 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy.Chance of rain showers and slight chance of thunderstorms. Max temperature.....73-81 except 68-70 closer to the coast. Min humidity........45-65 percent. 20-foot winds....... Valleys.........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. Local canyon gusts to 30 mph. Ridges..........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. LAL.................2. CWR (>0.10 in)......10 percent. $$ CAZ356>358-369-371-374-375-192315- Lake Casitas-Ojai Valley-Central Ventura County Valleys- Western Santa Monica Mountains Recreational Area- Calabasas and Agoura Hills-Southeastern Ventura County Valleys- Santa Susana Mountains- Including the cities of Meiners Oaks, Oak View, Ojai, Fillmore, Piru, Santa Paula, Malibu Bowl, Westlake Village, Malibu Lake, Moorpark, Newbury Park, Simi Valley, Thousand Oaks, and Oat Mountain 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Patchy drizzle in the morning. Max temperature.....62-72. 24 hr trend......Down 4. Min humidity........50-70 percent. 24 hr trend......Up 4. 20-foot winds....... Valleys.........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. Local canyon gusts to 30 mph. Ridges..........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........4000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Partly cloudy in the evening then mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Min temperature.....46-55. Max humidity........80-100 percent. 20-foot winds....... Valleys.........Southwest 6-12 mph with gusts to 20 mph early becoming variable 3-6 mph. Ridges..........Southwest 6-12 mph with gusts to 20 mph early becoming variable 3-6 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Max temperature.....66-75. Min humidity........50-70 percent. 20-foot winds....... Valleys.........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. Local canyon gusts to 30 mph. Ridges..........Variable 3-6 mph becoming south 6-12 mph with gusts to 20 mph in the afternoon. LAL.................2. CWR (>0.10 in)......10 percent. $$ CAZ288-192315- Santa Clarita Valley- 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Patchy drizzle in the morning. Max temperature.....69-74. 24 hr trend......Little change. Min humidity........45-50 percent. 24 hr trend......Up 4. 20-foot winds.......Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........4000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Partly cloudy in the evening then mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Min temperature.....48-52. Max humidity........80-100 percent. 20-foot winds.......Southwest 6-12 mph with gusts to 20 mph early becoming variable 3-6 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Max temperature.....74-80. Min humidity........45-50 percent. 20-foot winds.......Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. LAL.................2. CWR (>0.10 in)......10 percent. $$ CAZ379-380-192315- Western San Gabriel Mountains and Highway 14 Corridor- Eastern San Gabriel Mountains- Including the cities of Acton, Warm Springs, Mill Creek, Mount Wilson, Mount Baldy, Wrightwood, and The Angeles Crest Highway 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Patchy drizzle in the morning. Max temperature.....62-72 low elevations to 52-59 higher elevations. 24 hr trend......Down 4. Min humidity........40-60 percent. 24 hr trend......Up 10. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........South 6-12 mph with gusts to 20 mph becoming southeast 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........4000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Partly cloudy in the evening then mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Min temperature.....43-52 except 34-39 colder valleys and slopes. Max humidity........75-100 percent. 20-foot winds....... Valleys.........Southwest 6-12 mph with gusts to 20 mph in the evening becoming northwest. Ridges..........Southeast 6-12 mph with gusts to 20 mph in the evening becoming north. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Max temperature.....67-77 low elevations to 55-62 higher elevations. Min humidity........35-55 percent. 20-foot winds....... Valleys.........Northwest 6-12 mph becoming west 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........North 6-12 mph with gusts to 20 mph becoming 10-20 mph with gusts to 30 mph in the afternoon. LAL.................2. CWR (>0.10 in)......30 percent. $$ CAZ381>383-192315- Western Antelope Valley Foothills-Eastern Antelope Valley Foothills- Antelope Valley- Including the cities of Elizabeth Lake, Lake Palmdale, Valyermo, Llano, Pearblossom, Palmdale, Lancaster, and Lake Los Angeles 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Sunny in the morning then partly cloudy. Slight chance of rain showers in the afternoon. Max temperature.....68-77. 24 hr trend......Little change. Min humidity........25-45 percent. 24 hr trend......Up 4. 20-foot winds.......Southwest 5-10 mph becoming 8-15 mph with gusts to 25 mph late. Marine layer........4000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of rain showers and thunderstorms. Min temperature.....46-55. Max humidity........70-85 percent. 20-foot winds.......Southwest 10-20 mph with gusts to 30 mph in the evening west 6-12 mph with gusts to 20 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Max temperature.....75-83 except 70-72 cooler hills. Min humidity........25-45 percent. 20-foot winds.......West 6-12 mph becoming 10-20 mph with gusts to 30 mph late. LAL.................2. CWR (>0.10 in)......20 percent. $$ CAZ376>378-192315- Southern Ventura County Mountains-Northern Ventura County Mountains- Interstate 5 Corridor- Including the cities of Rose Valley, Matilija, Topatopa Mountains, Lockwood Valley, Mount Pinos, Ozena, Tejon Pass, Gorman, and Pyramid Lake 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Partly cloudy in the morning then mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and thunderstorms in the afternoon. Max temperature.....63-72 low elevations to 53-61 higher elevations. 24 hr trend......Down 8. Min humidity........40-60 percent. 24 hr trend......Up 12. 20-foot winds....... Valleys.........Variable 3-6 mph becoming northwest 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........Southeast 8-15 mph with gusts to 25 mph becoming northeast in the afternoon. Marine layer........4000 ft asl. LAL.................2. CWR (>0.10 in)......30 percent. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunderstorms in the evening. Showers likely with a chance of thunderstorms. Min temperature.....44-54 except 31-36 colder valleys and slopes. Max humidity........75-100 percent. 20-foot winds....... Valleys.........Northwest 8-15 mph with gusts to 25 mph. Ridges..........North 8-15 mph with gusts to 25 mph. LAL.................3. CWR (>0.10 in)......30 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Max temperature.....71-79 low elevations to 61-69 higher elevations. Min humidity........35-55 percent. 20-foot winds....... Valleys.........Northwest 6-12 mph becoming 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........North 8-15 mph with gusts to 25 mph. LAL.................2. CWR (>0.10 in)......10 percent. $$ CAZ350-352-192315- Santa Barbara County Southeastern Coast- Santa Ynez Mountains Eastern Range- Including the cities of Carpinteria, Goleta, Montecito, Santa Barbara, and Montecito Hills 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy. Patchy drizzle in the morning. Max temperature.....59-69. 24 hr trend......Down 4. Min humidity........60-80 percent. 24 hr trend......Up 18. 20-foot winds.......Variable 3-6 mph becoming southwest 6-12 mph in the afternoon. Marine layer........3000 ft asl. LAL.................1. CWR (>0.10 in)......0 percent. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Min temperature.....48-55. Max humidity........80-100 percent. 20-foot winds.......Southwest 6-12 mph becoming north 5-10 mph. Isolated gusts to 25 mph in the hills. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy. Slight chance of thunderstorms in the morning. Slight chance of rain showers. Max temperature.....65-75. Min humidity........55-75 percent. 20-foot winds.......North 5-10 mph becoming southwest 6-12 mph in the afternoon. LAL.................2. CWR (>0.10 in)......10 percent. $$ CAZ349-351-192315- 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 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy. Slight chance of rain showers. Max temperature.....60-70. 24 hr trend......Little change. Min humidity........60-75 percent. 24 hr trend......Up 12. 20-foot winds.......Northwest 6-12 mph becoming 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........None. LAL.................1. CWR (>0.10 in)......10 percent. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Min temperature.....48-56. Max humidity........85-100 percent. 20-foot winds.......Northwest 10-20 mph with gusts to 30 mph in the evening becoming 6-12 mph with gusts to 20 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Slight chance of rain showers. Max temperature.....66-75. Min humidity........50-70 percent. 20-foot winds.......Northwest 6-12 mph becoming 8-15 mph with gusts to 25 mph in the afternoon. LAL.................1. CWR (>0.10 in)......10 percent. $$ CAZ340-341-346>348-192315- San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast- Santa Barbara County Central Coast Beaches- Santa Barbara County Inland Central Coast-Santa Ynez Valley- Including the cities of Arroyo Grande, Avila Beach, Cambria, Morro Bay, Pismo Beach, Lopez Lake, Nipomo, San Luis Obispo, Lompoc, Vandenberg Space Force Base, Buellton, Santa Maria, Lake Cachuma, Los Olivos, Santa Ynez, and Solvang 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Max temperature.....57-62 beaches to 67-72 inland. 24 hr trend......Little change. Min humidity........75-85 percent beaches to 60-75 percent inland. 24 hr trend......Up 12. 20-foot winds.......Variable 3-6 mph becoming west 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........None. LAL.................2. CWR (>0.10 in)......10 percent. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Min temperature.....44-53. Max humidity........90-100 percent. 20-foot winds.......Northwest 6-12 mph with gusts to 20 mph early becoming variable 3-6 mph. LAL.................2. CWR (>0.10 in)......10 percent. .FRIDAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Slight chance of rain showers in the morning. Max temperature.....58-65 beaches to 70-80 inland. Min humidity........75-85 percent beaches to 50-75 percent inland. 20-foot winds.......Variable 3-6 mph becoming northwest 8-15 mph with gusts to 25 mph in the afternoon. LAL.................1. CWR (>0.10 in)......10 percent. $$ CAZ342-343-192315- Santa Lucia Mountains-Southern Salinas Valley- Including the cities of Hearst Castle, Irish Hills, Atascadero, Lake Nacimiento, Paso Robles, San Miguel, and Templeton 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy. Rain likely with a chance of thunderstorms. Max temperature.....63-73. 24 hr trend......Down 12. Min humidity........55-75 percent. 24 hr trend......Up 12. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Marine layer........None. LAL.................2. CWR (>0.10 in)......20 percent. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of thunderstorms in the evening. Chance of rain showers through the night. Min temperature.....46-55. Max humidity........85-100 percent. 20-foot winds....... Valleys.........Southwest 8-15 mph with gusts to 25 mph in the evening becoming variable 3-6 mph. Ridges..........Southwest 8-15 mph with gusts to 25 mph in the evening becoming north 5-10 mph. LAL.................2. CWR (>0.10 in)......20 percent. .FRIDAY... Sky/weather.........Mostly cloudy in the morning then sunny. Max temperature.....73-83 except 63-68 closer to the coast. Min humidity........45-65 percent. 20-foot winds....... Valleys.........Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. Ridges..........Variable 3-6 mph becoming southwest 8-15 mph with gusts to 25 mph in the afternoon. LAL.................1. CWR (>0.10 in)......0 percent. $$ CAZ238-344-345-353-192315- Cuyama Valley-San Luis Obispo County Interior Valleys- San Luis Obispo County Mountains- Santa Barbara County Interior Mountains- Including the cities of Carrizo Plain, Creston, Shandon, Caliente Range, La Panza Range, Santa Margarita Lake, Big Pine Mountain, Figueroa Mountain, and San Rafael Mountain 938 AM PDT Thu Sep 19 2024 .TODAY... Sky/weather.........Mostly cloudy. Slight chance of rain showers and thunderstorms in the morning, then rain showers and thunderstorms likely in the afternoon. Max temperature.....67-74 low elevations to 58-65 higher elevations. 24 hr trend......Down 4. Min humidity........45-65 percent. 24 hr trend......Up 14. 20-foot winds....... Valleys.........Variable 3-6 mph becoming northwest 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........North 5-10 mph becoming 6-12 mph with gusts to 20 mph in the afternoon. Marine layer........3000 ft asl. LAL.................3. CWR (>0.10 in)......80 percent. .TONIGHT... Sky/weather.........Mostly cloudy. Showers and thunderstorms likely, then chance of showers and thunderstorms after midnight. Min temperature.....43-53. Max humidity........80-100 percent. 20-foot winds....... Valleys.........Northwest 6-12 mph with gusts to 20 mph in the evening becoming north 5-10 mph. Ridges..........North 6-12 mph with gusts to 20 mph. LAL.................3. CWR (>0.10 in)......70 percent. .FRIDAY... Sky/weather.........Mostly cloudy in the morning then partly cloudy. Slight chance of thunderstorms in the morning. Slight chance of rain showers. Max temperature.....75-82 low elevations to 67-73 higher elevations. Min humidity........35-55 percent. 20-foot winds....... Valleys.........Variable 3-6 mph becoming northwest 6-12 mph with gusts to 20 mph in the afternoon. Ridges..........North 6-12 mph with gusts to 20 mph. LAL.................2. CWR (>0.10 in)......10 percent. $$ .Extended... ...Coasts/Valleys Including the Santa Monica Range... .SATURDAY...Clear except night through morning low clouds and fog. Lows in the mid 50s to lower 60s. Highs from the mid 60s to around 70 at the beaches to the upper 70s to mid 80s inland. North winds up to 10 mph. .SUNDAY...Clear. Patchy fog in the morning. Lows in the mid 50s to mid 60s. Highs from the upper 60s to mid 70s at the beaches to the mid 80s to lower 90s inland. Northeast winds 6 to 12 mph. .MONDAY...Clear except night through morning low clouds and fog. Lows in the mid 50s to mid 60s. Highs from the 70s at the beaches to the upper 80s and 90s inland. Northeast winds 6 to 12 mph. ...Mountains / Los Padres and Angeles National Forests... .SATURDAY...Clear. Lows from the upper 50s and 60s at low elevations to the 40s in colder valleys and peaks. Highs from the upper 70s to mid 80s at low elevations to the upper 60s to mid 70s at high elevations. Northeast winds up to 10 mph. .SUNDAY...Clear. Lows from the 60s to around 70 at low elevations to the mid 40s to around 50 in colder valleys and peaks. Highs from the mid 80s to lower 90s at low elevations to the 70s at high elevations. Northeast winds 8 to 15 mph. .MONDAY...Clear. Lows from the 60s to around 70 at low elevations to the upper 40s to mid 50s in colder valleys and peaks. Highs from the mid 80s to mid 90s at low elevations to the mid 70s to lower 80s at high elevations. Northeast winds 8 to 15 mph. ...Antelope Valley... .SATURDAY...Clear. Lows in the mid 50s to lower 60s. Highs in the mid 80s to lower 90s. Southwest winds 8 to 15 mph. .SUNDAY...Clear. Lows in the mid 50s to mid 60s. Highs in the lower to mid 90s. West winds 8 to 15 mph. .MONDAY...Clear. Lows in the upper 50s to mid 60s. Highs in the mid 90s. Southwest winds 8 to 15 mph. $$ Kittell WWW.WEATHER.GOV/LOSANGELES