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Flood in Washington County, Mississippi

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

65 events · 0 deaths recorded · peak month March · county share of state 1.7%

2025-04-05: Flood2024-03-25: Flood2024-03-25: Flood2024-01-24: Flood2022-12-13: Flood2020-09-23: Flood2020-01-14: Flood2019-05-11: Flood2019-05-09: Flood2019-02-23: Flood2019-02-22: Flood2019-02-22: Flood2019-02-21: Flood2019-02-20: Flood2018-08-20: Flood2018-08-19: Flood2018-02-22: Flood2018-02-22: Flood2017-08-14: Flood2017-08-08: Flood2016-08-16: Flood2016-03-31: Flood2016-03-31: Flood2016-03-30: Flood2016-03-12: Flood2016-03-10: Flood2016-03-10: Flood2016-03-10: Flood2016-03-09: Flood2016-03-09: Flood2015-07-05: Flood2013-09-24: Flood2013-06-05: Flood2013-01-13: Flood2013-01-10: Flood2012-09-30: Flood2012-08-30: Flood2012-06-11: Flood2012-05-30: Flood2011-09-25: Flood2011-05-25: Flood2011-05-05: Flood2010-10-24: Flood2010-01-21: Flood2009-10-12: Flood2009-09-14: Flood2009-05-06: Flood2008-09-14: Flood2008-09-03: Flood2008-05-15: Flood2007-07-09: Flood2005-09-25: Flood2005-04-11: Flood
Flood event locations in and around Washington 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.

Washington County, Mississippi, has 65 flood events in the NCEI record since 1950, with at least one in 25 different years.

March is the busiest month, with 12 of the recorded events. The last 20 years account for 51 events against 14 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.7% of the 3,812 flood events recorded in Mississippi; its 9.0 per 100 square miles compares with 8.1 statewide.

Compared with Mississippi

MeasureWashington CountyMississippiUS
Flood events since 1950653,812183,559
Per 100 square miles9.08.15.2
Per 10,000 residents14.912.95.5
Deaths recorded0262,961
Busiest monthMarchAprilJune

By year

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

Seasonality

Jan
7
Feb
7
Mar
12
Apr
2
May
9
Jun
3
Jul
2
Aug
6
Sep
8
Oct
2
Nov
2
Dec
5
Flood events in Washington County by month of occurrence, all years.

Recorded events

All 65 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
5 Apr 2025Flash Flood—$100K———County
25 Mar 2024Flood—$10K———County
25 Mar 2024Flash Flood—$5K———County
24 Jan 2024Flood—$2K———County
13 Dec 2022Flash Flood—$30K———County
23 Sep 2020Flash Flood—$3K———County
14 Jan 2020Flash Flood—$2K———County
11 May 2019Flash Flood—$5K———County
9 May 2019Flash Flood—$300K———County
23 Feb 2019Flash Flood—$50K———County
22 Feb 2019Flash Flood—$150K———County
22 Feb 2019Flash Flood—$5K———County
21 Feb 2019Flash Flood—$2K———County
20 Feb 2019Flash Flood—$3K———County
20 Aug 2018Flash Flood—$15K———County
19 Aug 2018Flash Flood—$5K———County
22 Feb 2018Flash Flood—$100K———County
22 Feb 2018Flood—$10K———County
14 Aug 2017Flash Flood—$5K———County
8 Aug 2017Flash Flood—$50K———County
16 Aug 2016Flash Flood—$2K———County
31 Mar 2016Flash Flood—$10K———County
31 Mar 2016Flash Flood—$20K———County
30 Mar 2016Flash Flood—$10K———County
12 Mar 2016Flood—$50K———County
10 Mar 2016Flash Flood—$7K———County
10 Mar 2016Flash Flood—$5K———County
10 Mar 2016Flash Flood—$90K———County
9 Mar 2016Flash Flood—$10K———County
9 Mar 2016Flash Flood—$10K———County
5 Jul 2015Flash Flood—$3K———County
24 Sep 2013Flash Flood—————County
5 Jun 2013Flash Flood—————County
13 Jan 2013Flash Flood—$10K———County
10 Jan 2013Flash Flood—$10K———County
30 Sep 2012Flash Flood—$10K———County
30 Aug 2012Flash Flood—$15K———County
11 Jun 2012Flash Flood—$60K———County
30 May 2012Flash Flood—————County
25 Sep 2011Flash Flood—$10K———County
25 May 2011Flash Flood—$5K$2K——County
5 May 2011Flood—$5.0M$200K——County
24 Oct 2010Flash Flood—$500———County
21 Jan 2010Flash Flood—$5K———County
12 Oct 2009Flash Flood—$100K$400K——County
14 Sep 2009Flash Flood—$5K———County
6 May 2009Flash Flood—$10K———County
14 Sep 2008Flash Flood—$10K———County
3 Sep 2008Flash Flood—$10M$20M——County
15 May 2008Flash Flood—$1.0M$500K——County
9 Jul 2007Flash Flood—$15K$150K——County
25 Sep 2005Flash Flood—$80K———County
11 Apr 2005Flash Flood—$20K———County
23 Nov 2004Flash Flood—$3K———County
17 Jun 2003Flash Flood—$10K———County
24 Dec 2002Flash Flood—$7K———County
24 Jan 2002Flash Flood—$1K———County
13 Dec 2001Flash Flood—————County
13 Dec 2001Flash Flood—————County
12 Dec 2001Flash Flood—$1K———County
28 Nov 2001Flash Flood—$100K———County
3 May 2000Flash Flood—$2K———County
29 Jan 1999Flash Flood—$50K———County
29 May 1998Flash Flood—————County
9 Mar 1997Flood—$1.4M———Forecast zone

Questions and answers

How many flood events has Washington County had?

65 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 Washington County?

5 Apr 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.

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

The flash flood of 3 Sep 2008, with property damage estimated by NCEI at $10M and crop damage at $20M.

How does Washington County compare with Mississippi for flood?

9.0 events per 100 square miles against 8.1 statewide; the county holds 65 of the state's 3,812 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.