221
Recorded events
5
Direct deaths
0
Direct injuries
$99.3M
Property damage
Flash Flood in Westchester County, New York: 221 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #34 nationally and #2 statewide for this hazard.
Decade by decade
Flash Flood in Westchester County, New York: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Westchester County is the 2020s, when 103 of the county's 221 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 Westchester County archive, flash flood makes up 29.9% of all recorded severe weather across 8 hazard types. Nationally the county sits at #34 for this hazard and #2 within New York, putting it in the 98.9 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for flash flood in Westchester County with 63 recorded events, while Jan 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 |
|---|---|---|---|---|---|
| Sep 2, 2021 | COUNTRY RIDGE ESTATE | 0 | 2 | 0 | $0 |
| Sep 2, 2021 | PELHAM MANOR | 0 | 1 | 0 | $0 |
| Sep 2, 2021 | TARRYTOWN | 0 | 1 | 0 | $0 |
| Sep 2, 2021 | SCARSDALE | 0 | 1 | 0 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Oct 30, 2025 | FLEETWOOD | 0 | $0 |
| Oct 30, 2025 | MT VERNON | 0 | $0 |
| Jul 15, 2025 | POCANTICO HILLS | 0 | $0 |
| Jul 14, 2025 | ELMSFORD | 0 | $0 |
| Jul 14, 2025 | QUARRY HGTS | 0 | $0 |
| Jul 14, 2025 | ELMSFORD | 0 | $0 |
| Jul 14, 2025 | HAWTHORNE | 0 | $0 |
| Jul 14, 2025 | ELMSFORD | 0 | $0 |
| Jul 14, 2025 | PURCHASE | 0 | $0 |
| Jul 14, 2025 | HAWTHORNE | 0 | $0 |
Other hazards here
More from Westchester County
- Thunderstorm Wind 336
- Hail 81
- Flood 49
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
An elderly couple's vehicle was found pinned against a utility pole at the intersection of Lincoln Avenue and Brookside Way in Rye Brook. The couple are believed to have been swept away from their vehicle and down Blind Brook Creek and drowned.
Flash flooding resulted in an estimated $92.6 million in damages across Westchester County. This estimate includes $78 million in FEMA individual assistance to property owners, renters, and businesses and an additional $14.6 million in damages to Westchester County government infrastructure.
Flooding caused portions of many major roads to be closed. Specifically, the Saw Mill River Parkway was closed in both directions between the Taconic State Pkwy. and Manville Rd. in Pleasantville. Southbound lanes from Interstate 287 and northbound lanes from Interstate 87 to Rt. 119 in Elmsford were also closed, as was Exit 7 at Tuckahoe Rd. in Yonkers. The Bronx River Pkwy. was shut in both directions from the Sprain Brook Pkwy. in Yonkers to the Main St. Bridge in White Plains. Fourteen families living in a two-story apartment building on Harrison Ave. in Harrison were evacuated after a ceiling in the hallway collapsed, causing flooding throughout the building. Property damage amounts are estimated. Total rainfall amounts ranged from 3.58 inches in White Plains to 6.25 inches in Yorktown Heights.
Quick answers
Frequently asked
How many flash flood events are on record in Westchester County, New York?
221 flash flood events are recorded in Westchester County between 1996 and 2025, causing 5 direct deaths.
What is the strongest flash flood recorded in Westchester County?
The strongest flash flood on record in Westchester County measured 0.
Where does the flash flood data for Westchester 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 Westchester County, New York.” Severe Weather History. severeweatherhistory.com/county/new-york/westchester-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.