54
Recorded events
1
Direct deaths
0
Direct injuries
$195.4M
Property damage
Flash Flood in Washington County, Vermont: 54 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #550 nationally and #2 statewide for this hazard.
Decade by decade
Flash Flood in Washington County, Vermont: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Washington County is the 2010s, when 17 of the county's 54 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Washington County archive, flash flood makes up 16.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #550 for this hazard and #2 within Vermont, putting it in the 82.1 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flash flood in Washington County with 21 recorded events, while Feb is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 11, 2023 | MONTPELIER JCT | 0 | 1 | 0 | $100.0M |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| May 17, 2025 | FAYSTON | 0 | $0 |
| May 17, 2025 | MONTPELIER JCT | 0 | $0 |
| Jul 11, 2024 | NORTH FAYSTON | 0 | $500K |
| Jul 11, 2024 | FAIRMONT ARPT | 0 | $2.5M |
| Jul 11, 2024 | (MPV)-MONTPELIER ARPT | 0 | $250K |
| Jun 23, 2024 | WOODBURY | 0 | $250K |
| Jul 11, 2023 | MONTPELIER JCT | 0 | $100.0M |
| Jul 10, 2023 | NORTHFIELD FALLS | 0 | $1.0M |
| Jul 10, 2023 | MIDDLESEX | 0 | $2.0M |
| Jul 10, 2023 | ROXBURY | 0 | $10.0M |
Other hazards here
More from Washington County
- Thunderstorm Wind 177
- Hail 64
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Three to seven inches of rain fell during the afternoon/evening of July 10 and into the morning hours on July 11. Severe flash flooding occurred, most notably in the Barre area where the Stevens and Jail Branches of the Winooski River were overwhelmed. A number of homes and businesses were damaged, especially along Route 302. A few landslides also occurred, causing damage.
Severe todevastating flash flooding occurred across much of Washington county, especially in the foothills of the Green Mountains. Communities such as Roxbury, Warren, Waitsfield, Fayston, Moretown, Montpelier, Barre, Berlin, Northfield suffered major damage to roads and bridges (state and local), including Routes 12, 12A, 14, 17, 62, and 100. Several communities were isolated due to loss infrastructure. Several homes and businesses as well as farms suffered tremendous losses to crops and livestock.
Training showers and thunderstorms with heavy to torrential rainfall affected this area from the early morning to early afternoon hours on July 10, 2023. Observations and radar estimates show 3 to 6 inches of rain occurred, with localized amount to 7-8 inches. This lead to areas of significant flash flooding with numerous roads closed. The towns of Berlin, Williamstown, Roxbury and Middlesex were most impacted, with scattered reports elsewhere.
Quick answers
Frequently asked
How many flash flood events are on record in Washington County, Vermont?
54 flash flood events are recorded in Washington County between 1996 and 2025, causing 1 direct deaths.
What is the strongest flash flood recorded in Washington County?
The strongest flash flood on record in Washington County measured 0.
Where does the flash flood data for Washington County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Washington County, Vermont.” Severe Weather History. severeweatherhistory.com/county/vermont/washington-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.