San Diego County, CA Weather Alerts
Every National Weather Service alert issued for San Diego County, California, pushed to your phone within moments — county code CAC073, forecast zone 4 zones (CAZ050, CAZ043, CAZ058, CAZ062). Free with StormCast.
Download on Google PlayHow the NWS identifies San Diego County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CAC073 directly rather than matching on place names, which is why an alert arrives whether you are in Alpine or anywhere else in the county.
NWS County Code
CAC073
Forecast Zones
4 zones (CAZ050, CAZ043, CAZ058, CAZ062)
Forecast Office
San Diego (SGX)
Radar Station
KNKX
Towns covered in San Diego County
An NWS alert for San Diego County applies to all 52 of these communities. You do not need a separate alert for each one.
River gauges in and around San Diego County
StormCast tracks 9 gauges near San Diego County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- San Diego River at Mast Nr Santee
- San Diego River at Fashion Valley
- Tijuana River at International Border
- Tijuana River near San Ysidro
- Goat Canyon at International Border
- Smugglers Gulch at International Border
- San Luis Rey River at Oceanside
- Santa Margarita River at Ysidora
- Borrego Palm Canyon near Borrego Springs
Current conditions
Loading current conditions…
Alert types issued for San Diego 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 →San Diego County weather alert questions
Which NWS forecast zone is San Diego County in?
San Diego County, California is NWS county code CAC073 and spans 4 forecast zones (CAZ050, CAZ043, CAZ058, CAZ062). Alerts for it are issued by the San Diego (SGX) Weather Forecast Office, and the nearest NEXRAD radar is KNKX.
Which towns in San Diego County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for San Diego County covers every community inside it, including Alpine, Bonita, Bonsall, Borrego Springs, Boulevard, Camp Pendleton, Campo, Cardiff By The Sea, Carlsbad, Chula Vista, Coronado, Del Mar, Descanso, Dulzura, El Cajon, Encinitas, Escondido, Fallbrook, Guatay, Imperial Beach, Jacumba, Jamul, Julian, La Jolla, La Mesa, Lakeside, Lemon Grove, Lincoln Acres, Mount Laguna, National City, Oceanside, Pala, Palomar Mountain, Pauma Valley, Pine Valley, Potrero, Poway, Ramona, Ranchita, Rancho Santa Fe, San Diego, San Luis Rey, San Marcos, San Ysidro, Santa Ysabel, Santee, Solana Beach, Spring Valley, Tecate, Valley Center, Vista and Warner Springs.
Are there river gauges in San Diego County?
Yes — StormCast monitors 9 river gauges in and around San Diego County, including San Diego River at Mast Nr Santee, San Diego River at Fashion Valley, Tijuana River at International Border. 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 San Diego County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CAC073, the push notification goes out within moments — even with your screen off.