Merced County, CA Weather Alerts
Every National Weather Service alert issued for Merced County, California, pushed to your phone within moments — county code CAC047, forecast zone 3 zones (CAZ302, CAZ301, CAZ303). Free with StormCast.
Download on Google PlayHow the NWS identifies Merced County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CAC047 directly rather than matching on place names, which is why an alert arrives whether you are in Atwater or anywhere else in the county.
NWS County Code
CAC047
Forecast Zones
3 zones (CAZ302, CAZ301, CAZ303)
Forecast Office
Hanford (HNX)
Radar Station
KMUX
Towns covered in Merced County
An NWS alert for Merced County applies to all 18 of these communities. You do not need a separate alert for each one.
River gauges in and around Merced County
StormCast tracks 7 gauges near Merced County. Set a flood-stage alert on any of them to get notified before the water reaches you.
Current conditions
Loading current conditions…
Alert types issued for Merced 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 →Merced County weather alert questions
Which NWS forecast zone is Merced County in?
Merced County, California is NWS county code CAC047 and spans 3 forecast zones (CAZ302, CAZ301, CAZ303). Alerts for it are issued by the Hanford (HNX) Weather Forecast Office, and the nearest NEXRAD radar is KMUX.
Which towns in Merced County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Merced County covers every community inside it, including Atwater, Ballico, Cressey, Delhi, Dos Palos, El Nido, Gustine, Hilmar, Le Grand, Livingston, Los Banos, Merced, Planada, Santa Rita Park, Snelling, South Dos Palos, Stevinson and Winton.
Are there river gauges in Merced County?
Yes — StormCast monitors 7 river gauges in and around Merced County, including Eastside Bypass at El Nido, Bear Creek at McKee Road, San Joaquin River near Stevinson. 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 Merced County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CAC047, the push notification goes out within moments — even with your screen off.