49
Recorded events
0
Direct deaths
0
Direct injuries
$35.1M
Property damage
Flash Flood in Addison County, Vermont: 49 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #616 nationally and #3 statewide for this hazard.
Decade by decade
Flash Flood in Addison County, Vermont: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Addison County is the 2010s, when 17 of the county's 49 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 Addison County archive, flash flood makes up 12.8% of all recorded severe weather across 8 hazard types. Nationally the county sits at #616 for this hazard and #3 within Vermont, putting it in the 79.6 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flash flood in Addison County with 14 recorded events, while Sep 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.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jul 10, 2025 | VERGENNES | 0 | $50K |
| May 17, 2025 | DOWNINGVILLE | 0 | $20K |
| Jul 10, 2024 | ADDISON | 0 | $100K |
| Aug 4, 2023 | WEST ADDISON | 0 | $1.2M |
| Jul 15, 2023 | MIDDLEBURY ARPT | 0 | $500K |
| Jul 14, 2023 | WEST LINCOLN | 0 | $100K |
| Jul 13, 2023 | CHIPMANS PT | 0 | $100K |
| May 16, 2022 | GOSHEN | 0 | $5K |
| Aug 27, 2021 | LOWER GRANVILLE | 0 | $10K |
| Jun 30, 2020 | MONKTON RIDGE | 0 | $10K |
Other hazards here
More from Addison County
- Thunderstorm Wind 201
- Hail 104
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Several areas of flash flooding occurred across Addison county, east of Route 7 and especially in the foothills of the western slopes of the Green Mountains in communities such as Lincoln, Ripton, Hancock, Granville, Bristol, East Middlebury, New Haven, Monkton, Salisbury and Leicester. Dozens of roads (state/local) witnessed partial or full washouts, including Routes 7, 17, 116 and 125. Several homes and businesses experienced flooding and many farmlands loss there late summer harvest due to flooding.
Training showers and thunderstorms with torrential rainfall affected portions of Addison County on the evening of August 3, 2023. The axis of heaviest rainfall was fairly narrow and extended from near the town of West Addison, VT through the towns of Middlebury and East Middlebury. Within this band 3 to 6 inches of rain fell leading to severe flash flooding. A CoCoRaHS observation site in Middlebury reported 6.12 inches of rain in approximately 3 hours from this event. Numerous roads were flooded with several swift water rescues needed in Middlebury and East Middlebury.
A destructive flash flood occurred across portions of Addison County. The hardest hit area was along and adjacent to Route 125 between East Middlebury and Hancock. Sections of route 125 were destroyed by the Middlebury River draining to the west, and the Robbins Branch and Hancock Branch draining to the east. Several bridges were damages or washed out, and numerous residences and campers were stranded. Damage was reported as far west as Orwell Vermont, where flooding closed Murry Rd.
Quick answers
Frequently asked
How many flash flood events are on record in Addison County, Vermont?
49 flash flood events are recorded in Addison County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Addison County?
The strongest flash flood on record in Addison County measured 0.
Where does the flash flood data for Addison 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 Addison County, Vermont.” Severe Weather History. severeweatherhistory.com/county/vermont/addison-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.