Calaveras County, CA Weather Alerts
Every National Weather Service alert issued for Calaveras County, California, pushed to your phone within moments — county code CAC009, forecast zone 3 zones (CAZ137, CAZ161, CAZ138). Free with StormCast.
Download on Google PlayHow the NWS identifies Calaveras County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CAC009 directly rather than matching on place names, which is why an alert arrives whether you are in Altaville or anywhere else in the county.
NWS County Code
CAC009
Forecast Zones
3 zones (CAZ137, CAZ161, CAZ138)
Forecast Office
Sacramento (STO)
Radar Station
KDAX
Towns covered in Calaveras County
An NWS alert for Calaveras County applies to all 21 of these communities. You do not need a separate alert for each one.
Current conditions
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Alert types issued for Calaveras 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 →Calaveras County weather alert questions
Which NWS forecast zone is Calaveras County in?
Calaveras County, California is NWS county code CAC009 and spans 3 forecast zones (CAZ137, CAZ161, CAZ138). Alerts for it are issued by the Sacramento (STO) Weather Forecast Office, and the nearest NEXRAD radar is KDAX.
Which towns in Calaveras County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Calaveras County covers every community inside it, including Altaville, Angels Camp, Arnold, Avery, Burson, Campo Seco, Copperopolis, Douglas Flat, Glencoe, Hathaway Pines, Mokelumne Hill, Mountain Ranch, Murphys, Rail Road Flat, San Andreas, Sheep Ranch, Vallecito, Valley Springs, Wallace, West Point and Wilseyville.
Does StormCast monitor flooding in Calaveras County?
Yes. StormCast tracks NWS flood watches, flash flood warnings and river flood warnings for Calaveras County, alongside 12,700+ USGS river gauges nationwide.
How fast are alerts for Calaveras County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CAC009, the push notification goes out within moments — even with your screen off.