Grand Isle County, Vermont weather alerts
No watches, warnings or advisories are in force for Grand Isle County.
Checked Sun, Sep 20, 2026, 8:32 AM EDT. Times are Eastern Daylight Time.
Radar
Reflectivity now over Grand Isle County, Vermont. Open it to see warnings and watches on the map.























Radar mosaic and map layers from NOAA MRMS. Boundaries from the Iowa Environmental Mesonet.
Alerts in force
Nothing is in force for Grand Isle County right now. Its warnings come from the National Weather Service and appear here within a minute of being issued; every one of the past year is below.
The past year in Grand Isle County
In the past year the National Weather Service issued 51 alerts for Grand Isle County, including 9 severe thunderstorm warnings, 4 snow squall warnings, 2 red flag warnings and 2 winter storm warnings.
| Product | Issued | Most recent |
|---|---|---|
| Severe Thunderstorm Warning | 9 | Aug 10, 2026 |
| Snow Squall Warning | 4 | Jan 22, 2026 |
| Red Flag Warning | 2 | Apr 28, 2026 |
| Winter Storm Warning | 2 | Feb 20, 2026 |
| Extreme Cold Warning | 1 | Jan 23, 2026 |
| Extreme Heat Warning | 1 | Jul 1, 2026 |
| High Wind Warning | 1 | Dec 19, 2025 |
| Extreme Cold Watch | 2 | Feb 7, 2026 |
| Fire Weather Watch | 2 | Apr 28, 2026 |
| Severe Thunderstorm Watch | 2 | Jul 14, 2026 |
| Extreme Heat Watch | 1 | Jul 1, 2026 |
| Flood Watch | 1 | Mar 9, 2026 |
| Tornado Watch | 1 | Jun 18, 2026 |
| Winter Storm Watch | 1 | Jan 25, 2026 |
| Wind Advisory | 6 | Jun 18, 2026 |
| Winter Weather Advisory | 6 | Mar 31, 2026 |
| Cold Weather Advisory | 3 | Feb 8, 2026 |
| Frost Advisory | 3 | Oct 17, 2025 |
| Heat Advisory | 2 | Jul 14, 2026 |
| Freezing Fog Advisory | 1 | Nov 20, 2025 |
Warnings issued
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Extreme Heat Warning
- Red Flag Warning
- Winter Storm Warning
- Winter Storm Warning
- Extreme Cold Warning
- Snow Squall Warning
- Snow Squall Warning
- Snow Squall Warning
- Snow Squall Warning
- High Wind Warning
- Red Flag Warning
Every alert, most recent first
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Watch
- Heat Advisory
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Watch
- Extreme Heat Warning
- Extreme Heat Watch
- Tornado Watch
- Wind Advisory
- Heat Advisory
- Red Flag Warning
- Fire Weather Watch
- Wind Advisory
- Winter Weather Advisory
- Wind Advisory
- Winter Weather Advisory
- Flood Watch
- Winter Storm Warning
- Winter Weather Advisory
- Winter Weather Advisory
- Cold Weather Advisory
- Extreme Cold Watch
- Cold Weather Advisory
- Cold Weather Advisory
- Winter Storm Watch
- Winter Storm Warning
- Extreme Cold Watch
- Extreme Cold Warning
- Snow Squall Warning
- Snow Squall Warning
- Snow Squall Warning
- Winter Weather Advisory
- Snow Squall Warning
The 40 most recent of 51.
From the Iowa Environmental Mesonet’s archive of NWS watches, warnings and advisories (VTEC), by the county’s own code and the forecast zones inside it. Each date links to the event at the IEM.
Nearby
The counties around Grand Isle County, with what is in force in each.
What this means
- Warning
- The hazard is happening or about to. Act now: a tornado warning means take shelter, a flash flood warning means move to higher ground.
- Watch
- Conditions favor the hazard. Nothing is happening yet; have a plan and be ready to act if a warning follows.
- Advisory
- A hazard that is less serious than a warning but can still cause trouble, such as dense fog, heat or light ice.
- Statement
- Information about weather that does not yet meet a warning: a strong storm, a hydrologic update, or a special weather statement.
Severity (extreme, severe, moderate, minor) is the rating the issuing office gives each product. More on the difference: tornado watch vs. tornado warning. Alerts come from the National Weather Service; follow its instructions and your local officials.
Sources
Alerts from the National Weather Service's public feed, read afresh every minute, and matched to counties and zones by their UGC codes. Warnings from outside the United States come from each country's own meteorological service. Follow the issuing office's instructions and your local officials.