Los Angeles County, CA Weather Alerts
Every National Weather Service alert issued for Los Angeles County, California, pushed to your phone within moments — county code CAC037, forecast zone 18 zones (CAZ548, CAZ368, CAZ372, CAZ373, CAZ366, CAZ088, CAZ371, CAZ383, CAZ382, CAZ362, CAZ380, CAZ367, CAZ379, CAZ087, CAZ381, CAZ055, CAZ375, CAZ370). Free with StormCast.
Download on Google PlayHow the NWS identifies Los Angeles County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CAC037 directly rather than matching on place names, which is why an alert arrives whether you are in Acton or anywhere else in the county.
NWS County Code
CAC037
Forecast Zones
18 zones (CAZ548, CAZ368, CAZ372, CAZ373, CAZ366, CAZ088, CAZ371, CAZ383, CAZ382, CAZ362, CAZ380, CAZ367, CAZ379, CAZ087, CAZ381, CAZ055, CAZ375, CAZ370)
Forecast Office
Oxnard (LOX)
Radar Station
KSOX
Towns covered in Los Angeles County
An NWS alert for Los Angeles County applies to all 132 of these communities. You do not need a separate alert for each one.
River gauges in and around Los Angeles County
StormCast tracks 12 gauges near Los Angeles County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Los Angeles River at Arroyo Seco
- Verdugo Wash at Estrella Ave.
- Devils Gate Dam
- Los Angeles River at Tujunga Avenue
- Alhambra Wash at Klingerman
- Arroyo Seco near Pasedena
- Eaton Dam
- Rubio Wash at Glendon
- Rio Hondo at Garvey
- Ballona Creek at Sawtelle Boulevard
- Eaton Wash at Loftus
- Los Angeles River at Firestone
Current conditions
Loading current conditions…
Alert types issued for Los Angeles County
Tornado
Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.
How tornado alerts work →Flooding
Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.
How flood alerts work →Winter
Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.
Winter warnings explained →Fire Weather
Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.
Fire weather alerts →Heat & Cold
Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.
Frost & freeze alerts →Los Angeles County weather alert questions
Which NWS forecast zone is Los Angeles County in?
Los Angeles County, California is NWS county code CAC037 and spans 18 forecast zones (CAZ548, CAZ368, CAZ372, CAZ373, CAZ366, CAZ088, CAZ371, CAZ383, CAZ382, CAZ362, CAZ380, CAZ367, CAZ379, CAZ087, CAZ381, CAZ055, CAZ375, CAZ370). Alerts for it are issued by the Oxnard (LOX) Weather Forecast Office, and the nearest NEXRAD radar is KSOX.
Which towns in Los Angeles County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Los Angeles County covers every community inside it, including Acton, Agoura Hills, Alhambra, Altadena, Arcadia, Artesia, Avalon, Azusa, Baldwin Park, Bell, Bell Gardens, Bellflower, Beverly Hills, Burbank, Calabasas, Canoga Park, Canyon Country, Carson, Castaic, Cerritos, Chatsworth, City Of Industry, Claremont, Compton, Covina, Culver City, Diamond Bar, Downey, Duarte, El Monte, El Segundo, Encino, Gardena, Glendale, Glendora, Granada Hills, Hacienda Heights, Harbor City, Hawaiian Gardens, Hawthorne, Hermosa Beach, Huntington Park, Inglewood, La Canada Flintridge, La Crescenta, La Mirada, La Puente, La Verne, Lake Hughes, Lakewood, Lancaster, Lawndale, Littlerock, Llano, Lomita, Long Beach, Los Angeles, Lynwood, Malibu, Manhattan Beach, Marina Del Rey, Maywood, Mission Hills, Monrovia, Montebello, Monterey Park, Montrose, Mount Wilson, Mt Baldy, Newhall, North Hills, North Hollywood, Northridge, Norwalk, Pacific Palisades, Pacoima, Palmdale, Palos Verdes Peninsula, Panorama City, Paramount, Pasadena, Pearblossom, Pico Rivera, Playa Del Rey, Pomona, Porter Ranch, Rancho Palos Verdes, Redondo Beach, Reseda, Rosemead, Rowland Heights, San Dimas, San Fernando, San Gabriel, San Marino, San Pedro, Santa Clarita, Santa Fe Springs, Santa Monica, Sherman Oaks, Sierra Madre, Signal Hill, South El Monte, South Gate, South Pasadena, Stevenson Ranch, Studio City, Sun Valley, Sunland, Sylmar, Tarzana, Temple City, Toluca Lake, Topanga, Torrance, Tujunga, Universal City, Valencia, Valley Village, Valyermo, Van Nuys, Venice, Verdugo City, Walnut, West Covina, West Hills, West Hollywood, Westlake Village, Whittier, Wilmington, Winnetka and Woodland Hills.
Are there river gauges in Los Angeles County?
Yes — StormCast monitors 12 river gauges in and around Los Angeles County, including Los Angeles River at Arroyo Seco, Verdugo Wash at Estrella Ave., Devils Gate Dam. You can set a flood-stage alert on any of them and get a push notification when the water rises.
How fast are alerts for Los Angeles County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CAC037, the push notification goes out within moments — even with your screen off.