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Flood in Herkimer County, New York

224 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

224 events · 1 deaths recorded · peak month June · county share of state 3.3%

2026-04-01: Flood2026-03-31: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2025-05-06: Flood2023-12-18: Flood2023-12-18: Flood2023-12-18: Flood2023-08-04: Flood2023-08-04: Flood2023-08-04: Flood2023-08-04: Flood2023-08-04: Flood2023-08-04: Flood2023-08-04: Flood2023-08-04: Flood2022-06-12: Flood2022-04-07: Flood2022-02-23: Flood2022-02-18: Flood2022-02-18: Flood2021-07-20: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-11-01: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-10-17: Flood2019-10-16: Flood2019-08-17: Flood2018-01-12: Flood2017-07-01: Flood2017-07-01: Flood2017-07-01: Flood2017-07-01: Flood2014-06-13: Flood2014-06-13: Flood2014-06-13: Flood2014-06-13: Flood2014-05-16: Flood2013-07-19: Flood2013-07-07: Flood2013-07-07: Flood2013-07-07: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-28: Flood2013-06-24: Flood2013-06-23: Flood2013-06-23: Flood2013-06-23: Flood2013-06-23: Flood2013-06-23: Flood2013-06-23: Flood2013-06-13: Flood2013-06-13: Flood2013-05-29: Flood2013-05-29: Flood2013-05-29: Flood2011-10-14: Flood2011-10-14: Flood2011-09-07: Flood2011-04-28: Flood2010-08-22: Flood2008-08-11: Flood
Flood event locations in and around Herkimer County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Herkimer County, New York, has 224 flood events in the NCEI record since 1950, with at least one in 25 different years.

June is the busiest month, with 40 of the recorded events. The last 20 years account for 164 events against 60 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 3.3% of the 6,836 flood events recorded in New York; its 15.9 per 100 square miles compares with 14.5 statewide.

NCEI attributes 1 death in the county to floods and flash floods.

Compared with New York

MeasureHerkimer CountyNew YorkUS
Flood events since 19502246,836183,559
Per 100 square miles15.914.55.2
Per 10,000 residents37.43.45.5
Deaths recorded11172,961
Busiest monthJuneJulyJune

By year

195019882026
Flood events recorded in Herkimer County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
5Feb
6Mar
5Apr
6May
28Jun
40Jul
28Aug
30Sep
10Oct
33Nov
26Dec
7
Flood events in Herkimer County by month of occurrence, all years.

Recorded events

The 159 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 224. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
1 Apr 2026Flood—$250K———County
31 Mar 2026Flood—$250K———County
6 May 2025Flash Flood—$20K———County
6 May 2025Flood—$1K———County
6 May 2025Flash Flood—$5K———County
6 May 2025Flash Flood—$50K———County
6 May 2025Flood—$1K———County
6 May 2025Flash Flood—$2K———County
6 May 2025Flash Flood—$1K———County
6 May 2025Flood—$1K———County
6 May 2025Flash Flood—$1K———County
6 May 2025Flood—————County
6 May 2025Flood—————County
6 May 2025Flash Flood—$2K———County
18 Dec 2023Flood—$10K———County
18 Dec 2023Flood—$2K———County
18 Dec 2023Flood—————County
4 Aug 2023Flash Flood—$10K———County
4 Aug 2023Flood—$5K———County
4 Aug 2023Flood—$5K———County
4 Aug 2023Flash Flood—$50K———County
4 Aug 2023Flood—$20K———County
4 Aug 2023Flood—$10K———County
4 Aug 2023Flood—$20K———County
4 Aug 2023Flash Flood—$5K———County
12 Jun 2022Flood—————County
7 Apr 2022Flood—————County
23 Feb 2022Flood—————County
18 Feb 2022Flood—$35K———County
18 Feb 2022Flood—————County
20 Jul 2021Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—$200K———County
1 Nov 2019Flood—$380K———County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—————County
1 Nov 2019Flood—$110K———County
1 Nov 2019Flash Flood—$50K———County
1 Nov 2019Flood—————County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—$25K———County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—$25K———County
31 Oct 2019Flood—————County
31 Oct 2019Flash Flood—$110K———County
31 Oct 2019Flash Flood—$25K—1—County
31 Oct 2019Flood—————County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—$1K———County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—$75K———County
31 Oct 2019Flash Flood—————County
31 Oct 2019Flash Flood—$75K———County
31 Oct 2019Flash Flood—$75K———County
31 Oct 2019Flash Flood—$75K———County
31 Oct 2019Flash Flood—$25K———County
31 Oct 2019Flash Flood—$20K———County
31 Oct 2019Flash Flood—$75K———County
17 Oct 2019Flood—————County
16 Oct 2019Flood—————County
17 Aug 2019Flash Flood—————County
12 Jan 2018Flood—————County
1 Jul 2017Flood—$500K———County
1 Jul 2017Flash Flood—$1.0M$1K——County
1 Jul 2017Flash Flood—————County
1 Jul 2017Flash Flood—————County
13 Jun 2014Flash Flood—————County
13 Jun 2014Flash Flood—————County
13 Jun 2014Flash Flood—————County
13 Jun 2014Flash Flood—————County
16 May 2014Flash Flood—————County
19 Jul 2013Flash Flood—————County
7 Jul 2013Flash Flood—————County
7 Jul 2013Flash Flood—————County
7 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
1 Jul 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
28 Jun 2013Flash Flood—————County
24 Jun 2013Flash Flood—————County
23 Jun 2013Flash Flood—————County
23 Jun 2013Flash Flood—————County
23 Jun 2013Flash Flood—————County
23 Jun 2013Flash Flood—————County
23 Jun 2013Flash Flood—————County
23 Jun 2013Flash Flood—————County
13 Jun 2013Flash Flood—————County
13 Jun 2013Flash Flood—————County
29 May 2013Flash Flood—————County
29 May 2013Flash Flood—————County
29 May 2013Flash Flood—————County
14 Oct 2011Flash Flood—————County
14 Oct 2011Flash Flood—————County
7 Sep 2011Flood—————County
28 Apr 2011Flood—$572K———County
22 Aug 2010Flood—$50K———County
11 Aug 2008Flash Flood—$10K———County
25 Jul 2006Flash Flood—————County
22 Jul 2006Flash Flood—————County
28 Nov 2004Flash Flood—————County
7 Jul 2004Flash Flood—————County
24 May 2004Flash Flood—————County
24 May 2004Flash Flood—————County
24 May 2004Flash Flood—————County
6 Aug 2003Flash Flood—$25K———County
6 Aug 2003Flash Flood—$10K———County
5 Aug 2003Flash Flood—$20K———County
27 Jun 2002Flash Flood—————County
28 May 2002Flash Flood—$10K———County
23 Jun 2001Flash Flood—————County
2 Sep 2000Flash Flood—$29K———County
2 Sep 2000Flash Flood—$25K———County
2 Sep 2000Flash Flood—$15K———County
1 Aug 2000Flash Flood—$9K———County
14 Jul 2000Flash Flood—$75K———County
14 Jul 2000Flash Flood—$58K———County
14 Jul 2000Flash Flood—$33K———County
13 May 2000Flash Flood—$175K———County
13 May 2000Flash Flood—$90K———County
13 May 2000Flash Flood—$45K———County
13 May 2000Flash Flood—$25K———County
13 May 2000Flash Flood—$12K———County
10 May 2000Flash Flood—$50K———County
4 Jul 1999Flash Flood—$250K———County
20 Jun 1998Flash Flood—$35K———County
7 Jan 1998Flash Flood—$60K———County
15 Jul 1997Flash Flood—$15K———County
28 Feb 1997Flash Flood—$4K———County
27 Aug 1996Flash Flood—$150K———County
8 Aug 1996Flash Flood—$700K———County
25 Feb 1996Flash Flood—$8K———County
24 Feb 1996Flash Flood—$8K———County
24 Jan 1996Flash Flood—$10K———County

Questions and answers

How many flood events has Herkimer County had?

224 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Herkimer County?

1 Apr 2026 (Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Herkimer County?

The flash flood of 1 Jul 2017, with property damage estimated by NCEI at $1.0M and crop damage at $1K.

How does Herkimer County compare with New York for flood?

15.9 events per 100 square miles against 14.5 statewide; the county holds 224 of the state's 6,836 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.