San Joaquin County, CA Weather Alerts
Every National Weather Service alert issued for San Joaquin County, California, pushed to your phone within moments — county code CAC077, forecast zone 5 zones (CAZ159, CAZ161, CAZ158, CAZ160, CAZ163). Free with StormCast.
Download on Google PlayHow the NWS identifies San Joaquin County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CAC077 directly rather than matching on place names, which is why an alert arrives whether you are in Acampo or anywhere else in the county.
NWS County Code
CAC077
Forecast Zones
5 zones (CAZ159, CAZ161, CAZ158, CAZ160, CAZ163)
Forecast Office
Sacramento (STO)
Radar Station
KDAX
Towns covered in San Joaquin County
An NWS alert for San Joaquin County applies to all 18 of these communities. You do not need a separate alert for each one.
River gauges in and around San Joaquin County
StormCast tracks 12 gauges near San Joaquin County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Rough and Ready Island
- Mormon Slough at Bellota
- San Joaquin River at Mossdale Bridge
- Sacramento-San Joaquin Delta at Venice Island
- Sacramento-San Joaquin Delta at Bacon Island at Old River
- Dry Creek near Galt
- Holland Cut near Bethel Island Ca
- Sacramento-San Joaquin Delta at Old River At Bacon Island
- Old River at Coney Island
- Old River near Byron Ca (Old River at Hwy 4)
- Sacramento-San Joaquin Delta above Old And Middle Rivers Tidally Filtered Est
- Old River at Byron
Current conditions
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Alert types issued for San Joaquin 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 Joaquin County weather alert questions
Which NWS forecast zone is San Joaquin County in?
San Joaquin County, California is NWS county code CAC077 and spans 5 forecast zones (CAZ159, CAZ161, CAZ158, CAZ160, CAZ163). Alerts for it are issued by the Sacramento (STO) Weather Forecast Office, and the nearest NEXRAD radar is KDAX.
Which towns in San Joaquin County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for San Joaquin County covers every community inside it, including Acampo, Clements, Escalon, Farmington, French Camp, Holt, Lathrop, Linden, Lockeford, Lodi, Manteca, Ripon, Stockton, Thornton, Tracy, Vernalis, Victor and Woodbridge.
Are there river gauges in San Joaquin County?
Yes — StormCast monitors 12 river gauges in and around San Joaquin County, including Rough and Ready Island, Mormon Slough at Bellota, San Joaquin River at Mossdale Bridge. 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 Joaquin County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CAC077, the push notification goes out within moments — even with your screen off.