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Flood in Washington Parish, Louisiana
28 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
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.
NCEI records 28 flood events in Washington Parish, Louisiana, between 1950 and 2026, spread over 15 years.
June is the busiest month, with 6 of the recorded events. The last 20 years account for 19 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.8% of the 3,330 flood events recorded in Louisiana; its 4.2 per 100 square miles compares with 7.7 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Louisiana
| Measure | Washington Parish | Louisiana | US |
|---|---|---|---|
| Flood events since 1950 | 28 | 3,330 | 183,559 |
| Per 100 square miles | 4.2 | 7.7 | 5.2 |
| Per 10,000 residents | 6.2 | 7.2 | 5.5 |
| Deaths recorded | 1 | 39 | 2,961 |
| Busiest month | June | March | June |
By year
Seasonality
1Feb
2Mar
5Apr
0May
1Jun
6Jul
2Aug
2Sep
2Oct
3Nov
0Dec
4
Recorded events
All 28 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 16 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 8 Mar 2024 | Flash Flood | — | — | — | — | — | County |
| 14 Dec 2022 | Flash Flood | — | — | — | — | — | County |
| 3 Feb 2022 | Flash Flood | — | $30K | — | — | — | County |
| 3 Feb 2022 | Flash Flood | — | — | — | — | — | County |
| 27 Oct 2021 | Flash Flood | — | — | — | — | — | County |
| 15 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 11 May 2019 | Flash Flood | — | $50K | — | — | — | County |
| 27 Dec 2018 | Flash Flood | — | $250K | — | — | — | County |
| 12 Aug 2016 | Flood | — | $1.3M | — | — | — | County |
| 12 Aug 2016 | Flash Flood | — | $4.6M | — | — | — | County |
| 11 Mar 2016 | Flash Flood | — | — | — | — | — | County |
| 11 Mar 2016 | Flood | — | $500K | — | — | — | County |
| 10 Mar 2016 | Flash Flood | — | $1.6M | — | — | — | County |
| 25 Jul 2010 | Flash Flood | — | $200K | — | — | — | County |
| 27 Mar 2009 | Flash Flood | — | — | — | — | — | County |
| 30 Dec 2006 | Flash Flood | — | — | — | 1 | — | County |
| 27 Oct 2006 | Flood | — | $20K | — | — | — | County |
| 21 Jun 2004 | Flash Flood | — | $10K | — | — | — | County |
| 1 Jul 2003 | Flood | — | $250K | — | — | — | Forecast zone |
| 23 Dec 2002 | Flash Flood | — | $20K | — | — | — | County |
| 3 Oct 2002 | Flash Flood | — | — | — | — | — | County |
| 11 Jun 2001 | Flash Flood | — | $125K | — | — | — | County |
| 20 Sep 1998 | Flash Flood | — | — | — | — | — | County |
| 6 Jan 1998 | Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Washington Parish had?
28 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 Parish?
16 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Washington Parish?
The flash flood of 12 Aug 2016, with property damage estimated by NCEI at $4.6M.
How does Washington Parish compare with Louisiana for flood?
4.2 events per 100 square miles against 7.7 statewide; the county holds 28 of the state's 3,330 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.