142
Recorded events
1
Direct deaths
0
Direct injuries
$3.8M
Property damage
Flash Flood in Herkimer County, New York: 142 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #84 nationally and #7 statewide for this hazard.
Decade by decade
Flash Flood in Herkimer County, New York: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Herkimer County is the 2010s, when 88 of the county's 142 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 Herkimer County archive, flash flood makes up 15.6% of all recorded severe weather across 9 hazard types. Nationally the county sits at #84 for this hazard and #7 within New York, putting it in the 97.3 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for flash flood in Herkimer County with 31 recorded events, while Mar 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 |
|---|---|---|---|---|---|
| Nov 1, 2019 | NORWAY | 0 | 1 | 0 | $25K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| May 6, 2025 | MOHAWK | 0 | $2K |
| May 6, 2025 | MOHAWK | 0 | $1K |
| May 6, 2025 | MOHAWK | 0 | $2K |
| May 6, 2025 | MOHAWK | 0 | $1K |
| May 6, 2025 | MOHAWK | 0 | $50K |
| May 6, 2025 | EAST FRANKFORT | 0 | $5K |
| May 6, 2025 | MOHAWK | 0 | $20K |
| Aug 4, 2023 | WEST SCHUYLER | 0 | $50K |
| Aug 4, 2023 | NEWPORT | 0 | $10K |
| Aug 4, 2023 | NEWPORT | 0 | $5K |
Other hazards here
More from Herkimer County
- Thunderstorm Wind 553
- Hail 100
- Flood 82
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The shoulder of Military Road in Norway collapsed due to flood waters. An 82-year old man's vehicle became stuck with the driver's side wheels on the pavement, and the passenger side wheels in a ravine created by the floodwaters. The man died when he exited the vehicle and was swept away by floodwaters.
Several flooding reports were received in the Mohawk Valley. A person was trapped in their house in the Town of Schuyler due to flooding off Route 5S. That route was closed in the Village of Frankfort, along with Route 171 and West Main Street. Route 5 was closed from the Town of Schuyler to Little Falls with portions of the roadway under water. The Wal-Mart in Herkimer had to be evacuated due to flooding concerns.
There was widespread flash flooding in the village of Middleville. Water entered structures with cars partially submerged. There were 27 evacuations as a result of the flooding. The West Canada Creek was nearing the road surface of the Route 28 bridge. Downstream at Kast Bridge, the creek reached moderate flood stage at 2106EST and continued to rise to major flood stage by 2124EST before cresting at a record high level of 10.92 feet at 2315EST.
Quick answers
Frequently asked
How many flash flood events are on record in Herkimer County, New York?
142 flash flood events are recorded in Herkimer County between 1996 and 2025, causing 1 direct deaths.
What is the strongest flash flood recorded in Herkimer County?
The strongest flash flood on record in Herkimer County measured 0.
Where does the flash flood data for Herkimer 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 Herkimer County, New York.” Severe Weather History. severeweatherhistory.com/county/new-york/herkimer-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.