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Flood in Sumner County, Tennessee

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

84 events · 1 deaths recorded · peak month June · county share of state 1.9%

2026-06-09: Flood2026-06-09: Flood2026-06-09: Flood2026-06-09: Flood2025-06-15: Flood2025-04-05: Flood2025-04-03: Flood2025-03-15: Flood2025-03-15: Flood2025-02-15: Flood2025-02-15: Flood2025-02-15: Flood2024-06-30: Flood2024-05-08: Flood2024-05-08: Flood2023-07-08: Flood2020-09-13: Flood2020-09-13: Flood2020-09-13: Flood2020-09-13: Flood2019-12-29: Flood2019-12-16: Flood2019-12-16: Flood2019-06-26: Flood2019-06-26: Flood2019-06-09: Flood2019-02-23: Flood2019-02-23: Flood2018-11-05: Flood2018-10-15: Flood2018-05-20: Flood2018-04-23: Flood2018-02-10: Flood2017-12-23: Flood2017-09-01: Flood2017-06-05: Flood2017-06-05: Flood2017-05-19: Flood2017-05-19: Flood2017-05-11: Flood2016-07-29: Flood2016-07-07: Flood2016-06-13: Flood2016-05-26: Flood2016-05-11: Flood2014-08-20: Flood2013-08-12: Flood2013-08-08: Flood2013-04-27: Flood2012-08-05: Flood2010-08-19: Flood2010-05-14: Flood2010-05-02: Flood2009-09-26: Flood2009-05-09: Flood2006-01-22: Flood2005-08-29: Flood2005-04-30: Flood
Flood event locations in and around Sumner 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.

Sumner County, Tennessee, has 84 flood events in the NCEI record since 1950, with at least one in 25 different years.

June is the busiest month, with 17 of the recorded events. The last 20 years account for 55 events against 29 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.9% of the 4,414 flood events recorded in Tennessee; its 15.9 per 100 square miles compares with 10.7 statewide.

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

Compared with Tennessee

MeasureSumner CountyTennesseeUS
Flood events since 1950844,414183,559
Per 100 square miles15.910.75.2
Per 10,000 residents4.26.35.5
Deaths recorded11212,961
Busiest monthJuneFebruaryJune

By year

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

Seasonality

Jan
3
Feb
9
Mar
7
Apr
6
May
12
Jun
17
Jul
5
Aug
7
Sep
9
Oct
1
Nov
1
Dec
7
Flood events in Sumner County by month of occurrence, all years.

Recorded events

All 84 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
9 Jun 2026Flash Flood—————County
9 Jun 2026Flash Flood—————County
9 Jun 2026Flash Flood—————County
9 Jun 2026Flash Flood—————County
15 Jun 2025Flash Flood—$50K———County
5 Apr 2025Flash Flood—————County
3 Apr 2025Flash Flood—————County
15 Mar 2025Flash Flood—————County
15 Mar 2025Flash Flood—————County
15 Feb 2025Flash Flood—————County
15 Feb 2025Flash Flood—————County
15 Feb 2025Flash Flood—————County
30 Jun 2024Flash Flood—$100K———County
8 May 2024Flash Flood—$2.0M———County
8 May 2024Flash Flood—$2.0M———County
8 Jul 2023Flash Flood—————County
13 Sep 2020Flash Flood—————County
13 Sep 2020Flash Flood—————County
13 Sep 2020Flash Flood—————County
13 Sep 2020Flash Flood—————County
29 Dec 2019Flash Flood———1—County
16 Dec 2019Flash Flood—————County
16 Dec 2019Flash Flood—————County
26 Jun 2019Flash Flood—$10K———County
26 Jun 2019Flash Flood—————County
9 Jun 2019Flash Flood—————County
23 Feb 2019Flash Flood—$50K———County
23 Feb 2019Flash Flood—————County
5 Nov 2018Flash Flood—$5K———County
15 Oct 2018Flood—————County
20 May 2018Flash Flood—————County
23 Apr 2018Flash Flood—$5K———County
10 Feb 2018Flood—————County
23 Dec 2017Flash Flood—————County
1 Sep 2017Flash Flood—$10K———County
5 Jun 2017Flash Flood—————County
5 Jun 2017Flood—$5K———County
19 May 2017Flash Flood—$5K———County
19 May 2017Flash Flood—$10K———County
11 May 2017Flash Flood—————County
29 Jul 2016Flash Flood—$100K———County
7 Jul 2016Flash Flood—$5.0M———County
13 Jun 2016Flood—————County
26 May 2016Flash Flood—$5K———County
11 May 2016Flash Flood—$3.0M——1County
20 Aug 2014Flood—————County
12 Aug 2013Flash Flood—————County
8 Aug 2013Flash Flood—$500K———County
27 Apr 2013Flash Flood—$25K———County
5 Aug 2012Flood—————County
19 Aug 2010Flash Flood—$50K$1K——County
14 May 2010Flash Flood—$50K$1K——County
2 May 2010Flood—$6K$1K——County
26 Sep 2009Flash Flood—$1K———County
9 May 2009Flash Flood—$200K———County
10 Aug 2006Flash Flood—$1K———County
22 Jan 2006Flash Flood—$1K———County
29 Aug 2005Flash Flood—$2K———County
30 Apr 2005Flash Flood—$1K———County
7 Dec 2004Flash Flood—$1K———County
20 Mar 2004Flash Flood—————County
5 Feb 2004Flood—————Forecast zone
22 Sep 2003Flash Flood—$10K———County
13 Jul 2003Flash Flood—————County
18 Jun 2003Flash Flood—————County
6 Jun 2002Flash Flood—————County
17 Mar 2002Flash Flood—————County
24 Jan 2002Flash Flood—————County
16 Feb 2001Flash Flood—————County
16 Dec 2000Flash Flood—————County
13 Feb 2000Flash Flood—————County
22 Jan 1999Flash Flood—————County
10 Jun 1998Flash Flood—————County
5 Jun 1998Flash Flood—————County
10 May 1998Flash Flood—————County
16 Apr 1998Flash Flood—————County
5 Mar 1997Flash Flood—————County
2 Mar 1997Flash Flood—$80K———County
1 Mar 1997Flash Flood—$50K———County
16 Dec 1996Flash Flood—————County
27 Sep 1996Flash Flood—————County
27 Sep 1996Flash Flood—————County
21 Jul 1996Flash Flood—————County
23 Jun 1996Flash Flood—————County

Questions and answers

How many flood events has Sumner County had?

84 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 Sumner County?

9 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.

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

The flash flood of 7 Jul 2016, with property damage estimated by NCEI at $5.0M.

How does Sumner County compare with Tennessee for flood?

15.9 events per 100 square miles against 10.7 statewide; the county holds 84 of the state's 4,414 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.