Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Windham County, Vermont

68

Recorded events

1

Direct deaths

1

Direct injuries

$7.0M

Property damage

Flash Flood in Windham County, Vermont: 68 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #357 nationally and #1 statewide for this hazard.

Decade by decade

Flash Flood in Windham County, Vermont: events per decade

Flash Flood in Windham County, Vermont: recorded events per decade
Flash Flood in Windham County, Vermont: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Windham County is the 2010s, when 29 of the county's 68 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 Windham County archive, flash flood makes up 19.9% of all recorded severe weather across 7 hazard types. Nationally the county sits at #357 for this hazard and #1 within Vermont, putting it in the 88.3 percentile of all U.S. counties.

Seasonality

Events by month

4Jan
0Feb
0Mar
0Apr
2May
14Jun
24Jul
13Aug
8Sep
0Oct
0Nov
3Dec

Jul is the peak month for flash flood in Windham County with 24 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

DateLocationScaleDeathsInjuriesDamage
Aug 28, 2011WHITINGHAM010$0
Jul 30, 2021ATHENS001$600K
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jun 6, 2025SAXTONS RIVER0$1K
Jul 10, 2023NEWFANE0$25K
Jul 10, 2023LONDONDERRY0$500K
Jul 30, 2021EAST DOVER0$50K
Jul 30, 2021WEST WARDSBORO0$0
Jul 30, 2021BELLOWS FALLS0$1.0M
Jul 30, 2021WEST WARDSBORO0$200K
Jul 30, 2021SIMPSONVILLE0$80K
Jul 30, 2021SIMPSONVILLE0$0
Jul 30, 2021SOUTH NEWFANE0$150K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Windham County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Windham County, Vermont?

68 flash flood events are recorded in Windham County between 1996 and 2025, causing 1 direct deaths.

What is the strongest flash flood recorded in Windham County?

The strongest flash flood on record in Windham County measured 0.

Where does the flash flood data for Windham 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 Windham County, Vermont.” Severe Weather History. severeweatherhistory.com/county/vermont/windham-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov