National Weather ServiceVermontFlash Flood WarningArchive to October 1, 2026
Flash Flood Warnings in Vermont
The National Weather Service issued 8 flash flood warnings for Vermont in 2025 and 13 a year on average in 2008-2025; in 2021-2025 it had the 43rd most of any state. 2026 through September: 4, 69% below the average of 13 for those months in 2008-2025. Addison was covered most often (69 times since 2008).
How many flash flood warnings does Vermont get?
Every flash flood warning that covered part of Vermont. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 4 |
| 2025 | 8 |
| 2024 | 21 |
| 2023 | 47 |
| 2022 | 4 |
| 2021 | 6 |
| 2020 | 7 |
| 2019 | 7 |
| 2018 | 5 |
| 2017 | 13 |
| 2016 | 2 |
| 2015 | 6 |
| 2014 | 7 |
| 2013 | 38 |
| 2012 | 5 |
| 2011 | 28 |
| 2010 | 6 |
| 2009 | 4 |
| 2008 | 19 |
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 |
|---|---|---|---|
| Addison | 69 | 25 | July 10, 2025 |
| Washington | 67 | 18 | June 10, 2026 |
| Windsor | 58 | 22 | June 15, 2026 |
| Rutland | 52 | 16 | June 15, 2026 |
| Caledonia | 47 | 21 | June 10, 2026 |
| Lamoille | 47 | 14 | August 11, 2026 |
| Chittenden | 43 | 13 | August 11, 2026 |
| Orleans | 41 | 17 | June 10, 2026 |
| Windham | 39 | 6 | June 6, 2025 |
| Orange | 38 | 10 | May 17, 2025 |
| Bennington | 32 | 5 | June 18, 2026 |
| Essex | 28 | 16 | July 10, 2025 |
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.
The latest flash flood warnings for Vermont in AreaZine's record
NWS BurlingtonWarningAugust 10, 2026
Flash Flood Warning: Chittenden and Lamoille, VT
Expired 12:15 a.m. EDT, August 11, 2026
NWS AlbanyWarningJune 18, 2026
Flash Flood Warning: Washington County and Bennington, NY and VT
Expired 6:00 p.m. EDT, June 18, 2026
NWS BurlingtonWarningJune 15, 2026
Flash Flood Warning: Rutland and Windsor, VT
Expired 3:30 a.m. EDT, June 15, 2026
NWS BurlingtonWarningJune 10, 2026
Flash Flood Warning: Caledonia, Lamoille, Orleans and 1 more, VT
Expired 10:30 p.m. EDT, June 10, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a flash flood warning?
A flash flood warning means flash flooding is happening or about to happen: water rising fast in streams, streets or dry washes, usually within six hours of heavy rain or a dam or levee failure. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Vermont.