Mason County, WA Weather Alerts
Every National Weather Service alert issued for Mason County, Washington, pushed to your phone within moments — county code WAC045, forecast zone 3 zones (WAZ321, WAZ317, WAZ319). Free with StormCast.
Download on Google PlayHow the NWS identifies Mason County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches WAC045 directly rather than matching on place names, which is why an alert arrives whether you are in Allyn or anywhere else in the county.
NWS County Code
WAC045
Forecast Zones
3 zones (WAZ321, WAZ317, WAZ319)
Forecast Office
Seattle (SEW)
Radar Station
KATX
Towns covered in Mason County
An NWS alert for Mason County applies to all 9 of these communities. You do not need a separate alert for each one.
River gauges in and around Mason County
StormCast tracks 6 gauges near Mason County. Set a flood-stage alert on any of them to get notified before the water reaches you.
Current conditions
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Alert types issued for Mason 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 →Mason County weather alert questions
Which NWS forecast zone is Mason County in?
Mason County, Washington is NWS county code WAC045 and spans 3 forecast zones (WAZ321, WAZ317, WAZ319). Alerts for it are issued by the Seattle (SEW) Weather Forecast Office, and the nearest NEXRAD radar is KATX.
Which towns in Mason County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Mason County covers every community inside it, including Allyn, Belfair, Grapeview, Hoodsport, Lilliwaup, Matlock, Shelton, Tahuya and Union.
Are there river gauges in Mason County?
Yes — StormCast monitors 6 river gauges in and around Mason County, including Skokomish River near Potlatch, North Fork Skokomish River at Cushman Dam, North Fork Skokomish River near Potlatch. 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 Mason County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for WAC045, the push notification goes out within moments — even with your screen off.