National Weather ServiceVermontHeat AdvisoryArchive to October 1, 2026
Heat Advisories in Vermont
The National Weather Service issued 11 heat advisories for Vermont in 2025 and 5 a year on average in 2008-2025; in 2021-2025 it had the 38th most of any state. 2026 through September: 8, 64% above the average of 5 for those months in 2008-2025. Western Addison was covered most often (46 times since 2008).
How many heat advisories does Vermont get?
Every heat advisory that covered part of Vermont. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 8 |
| 2025 | 11 |
| 2024 | 8 |
| 2023 | 9 |
| 2022 | 13 |
| 2021 | 15 |
| 2020 | 7 |
| 2019 | 2 |
| 2018 | 15 |
| 2017 | 0 |
| 2016 | 0 |
| 2015 | 0 |
| 2014 | 0 |
| 2013 | 2 |
| 2012 | 2 |
| 2011 | 2 |
| 2010 | 2 |
| 2009 | 0 |
| 2008 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Vermont get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Vermont?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Western Addison | 46 | 17 | July 14, 2026 |
| Eastern Windham | 45 | 15 | July 14, 2026 |
| Western Chittenden | 42 | 14 | July 14, 2026 |
| Western Rutland | 40 | 13 | July 14, 2026 |
| Western Franklin | 34 | 11 | July 14, 2026 |
| Grand Isle | 29 | 8 | July 14, 2026 |
| Bennington | 25 | 6 | July 14, 2026 |
| Eastern Windsor | 17 | 12 | July 14, 2026 |
| Windsor | 16 | 0 | August 26, 2021 |
| Orange | 15 | 5 | July 14, 2026 |
| Eastern Chittenden | 13 | 7 | July 14, 2026 |
| Eastern Franklin | 13 | 7 | July 14, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a heat advisory?
A heat advisory means heat that can make people ill, especially those without cooling, below the office's extreme heat warning values. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Vermont.