Grand Isle County, VT Weather Alerts
Every National Weather Service alert issued for Grand Isle County, Vermont, pushed to your phone within moments — county code VTC013, forecast zone VTZ001. Free with StormCast.
Download on Google PlayHow the NWS identifies Grand Isle County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches VTC013 directly rather than matching on place names, which is why an alert arrives whether you are in Alburgh or anywhere else in the county.
NWS County Code
VTC013
Forecast Zone
VTZ001
Forecast Office
South Burlington (BTV)
Radar Station
KCXX
Towns covered in Grand Isle County
An NWS alert for Grand Isle County applies to all 5 of these communities. You do not need a separate alert for each one.
River gauges in and around Grand Isle County
StormCast tracks 3 gauges near Grand Isle 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 Grand Isle 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 →Grand Isle County weather alert questions
Which NWS forecast zone is Grand Isle County in?
Grand Isle County, Vermont is NWS county code VTC013 and forecast zone VTZ001. Alerts for it are issued by the South Burlington (BTV) Weather Forecast Office, and the nearest NEXRAD radar is KCXX.
Which towns in Grand Isle County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Grand Isle County covers every community inside it, including Alburgh, Grand Isle, Isle La Motte, North Hero and South Hero.
Are there river gauges in Grand Isle County?
Yes — StormCast monitors 3 river gauges in and around Grand Isle County, including Lake Champlain at St. Albans Bay Flood Inundation Mapping Site, Jewett Brook near St. Albans, Lake Champlain at Sandbar State Park Flood Inundation Mapping Site. 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 Grand Isle County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for VTC013, the push notification goes out within moments — even with your screen off.