Hail history for Grand Isle County, Vermont
Every NOAA hail report filed in Grand Isle County since 1980, with preliminary National Weather Service reports to November 3, 2026.
Readout · Grand Isle County
- Last hail
- Jul 4, 2023
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.75 in
- golf ball · Sep 11, 2013
18 reports on 17 days since 1980 · #13 of 14 Vermont counties
Hail map · Grand Isle County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Grand Isle County is from July 4, 2023. A local roofer can check and document it at no cost.
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What the record says about Grand Isle County
The latest hail report in Grand Isle County is from July 4, 2023, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on July 4, 2023.
Over the 20 years 2006–2025, Grand Isle County logged 8 reports on 8 hail days, about 0.4 reports a year. That is 21% of the median Vermont county (1.9 a year) and ranks #13 of 14 Vermont counties for all-time reports. Grand Isle County holds 2% of all 841 hail reports in Vermont.
0% of reports with a size were 2 inches (hen egg) or larger, against 2% for the median Vermont county. The largest hail on record here is 1.75 in (golf ball) on September 11, 2013 near Alburg.
Reports were down 67% in 2016–2025 (2) compared with 2006–2015 (6). The busiest year was 2012, with 2 reports on 2 days. Hail here peaks in July (50% of reports); 28% fall between April and June.
Reports a year 2006–2025 average
- Grand Isle County 0.4
- Median Vermont county 1.9
Hail days 2006–2025
- Grand Isle County 8
- Median Vermont county 19
Share 2 in or larger of sized reports
- Grand Isle County 0%
- Median Vermont county 2%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 4, 2023 | 1 | 1.00 in | — |
| May 21, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Sep 11, 2013 | 1.75 ingolf ball | Alburg | $10K | 16:25 local · NCEI |
| Jul 22, 2005 | 1.75 ingolf ball | North Hero | — | 12:00 local · NCEI |
| Jul 4, 2023 | 1.00 inquarter | 0.69 N Alburg | — | 15:30 local · NCEI |
| May 21, 2022 | 1.00 inquarter | 0.69 N Alburg | — | 16:25 local · NCEI |
| May 29, 2012 | 1.00 inquarter | Alburg Center | — | 12:33 local · NCEI |
Size of every report
- Under 1 in 10 56%
- 1–2 in 8 44%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 4, 2023 | 1.00 inquarter | 0.69 N Alburg | — | 15:30 local · NCEI |
| May 21, 2022 | 1.00 inquarter | 0.69 N Alburg | — | 16:25 local · NCEI |
| Sep 11, 2013 | 1.75 ingolf ball | Alburg | $10K | 16:25 local · NCEI |
| May 29, 2012 | 1.00 inquarter | Alburg Center | — | 12:33 local · NCEI |
| May 16, 2012 | 0.75 inpenny | 0.85 NW Isle La Motte | — | 13:45 local · NCEI |
| Jul 21, 2010 | 1.00 inquarter | 0.98 E South Hero | — | 13:40 local · NCEI |
| Jun 26, 2009 | 0.88 innickel | 1.38 N Grand Isle Station | — | 15:55 local · NCEI |
| Aug 16, 2007 | 1.00 inquarter | Grand Isle | — | 14:55 local · NCEI |
| Jul 22, 2005 | 1.75 ingolf ball | North Hero | — | 12:00 local · NCEI |
| Jul 8, 2004 | 0.88 innickel | Alburg | — | 16:25 local · NCEI |
| Jul 8, 2004 | 0.88 innickel | Grand Isle | — | 16:10 local · NCEI |
| Jul 3, 2002 | 0.75 inpenny | South Hero | — | 20:05 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Alburgh | 6 | 6 | Jul 4, 2023 |
| South Hero | 5 | 5 | Jul 18, 2016 |
Questions about hail in Grand Isle County
How often does it hail in Grand Isle County, Vermont?
18 hail reports have been logged in Grand Isle County since 1980. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #13 of 14 Vermont counties by number of reports.
When is hail season in Grand Isle County?
Most reports come in July, May, August. July alone accounts for 50% of all reports.
What is the largest hail recorded in Grand Isle County?
1.75 in (golf ball size) on September 11, 2013 near Alburg. 0% of reports here were 2 inches or larger.
When did it last hail in Grand Isle County?
The most recent report in this data is from July 4, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Grand Isle County had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was July 4, 2023.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.