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Flood in Simpson County, Mississippi
46 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 46 flood events in Simpson County, Mississippi, between 1950 and 2026, spread over 17 years.
February is the busiest month, with 10 of the recorded events. The last 20 years account for 37 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.2% of the 3,812 flood events recorded in Mississippi; its 7.8 per 100 square miles compares with 8.1 statewide.
Compared with Mississippi
| Measure | Simpson County | Mississippi | US |
|---|---|---|---|
| Flood events since 1950 | 46 | 3,812 | 183,559 |
| Per 100 square miles | 7.8 | 8.1 | 5.2 |
| Per 10,000 residents | 17.9 | 12.9 | 5.5 |
| Deaths recorded | 0 | 26 | 2,961 |
| Busiest month | February | April | June |
By year
Seasonality
4Feb
10Mar
7Apr
6May
4Jun
2Jul
1Aug
8Sep
3Oct
0Nov
0Dec
1
Recorded events
All 46 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 |
|---|---|---|---|---|---|---|---|
| 18 Jun 2026 | Flash Flood | — | $50K | — | — | — | County |
| 12 Sep 2024 | Flash Flood | — | $3K | — | — | — | County |
| 17 May 2024 | Flash Flood | — | $1K | — | — | — | County |
| 17 May 2024 | Flash Flood | — | $1K | — | — | — | County |
| 17 May 2024 | Flash Flood | — | $5K | — | — | — | County |
| 24 Jan 2024 | Flash Flood | — | $1K | — | — | — | County |
| 24 Jan 2024 | Flash Flood | — | $5K | — | — | — | County |
| 25 Aug 2022 | Flood | — | $5K | — | — | — | County |
| 24 Aug 2022 | Flash Flood | — | $5K | — | — | — | County |
| 30 Aug 2021 | Flash Flood | — | $7K | — | — | — | County |
| 6 Jun 2021 | Flood | — | — | $15K | — | — | County |
| 10 Apr 2021 | Flash Flood | — | $2K | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | $1K | — | — | — | County |
| 25 Aug 2020 | Flash Flood | — | $2K | — | — | — | County |
| 26 Aug 2019 | Flash Flood | — | $3K | — | — | — | County |
| 26 Aug 2019 | Flash Flood | — | $2K | — | — | — | County |
| 26 Aug 2019 | Flash Flood | — | $10K | — | — | — | County |
| 11 May 2019 | Flash Flood | — | $10K | — | — | — | County |
| 20 Feb 2019 | Flash Flood | — | $5K | — | — | — | County |
| 20 Feb 2019 | Flash Flood | — | $5K | — | — | — | County |
| 20 Feb 2019 | Flash Flood | — | $30K | — | — | — | County |
| 25 Jul 2017 | Flash Flood | — | $5K | — | — | — | County |
| 11 Mar 2016 | Flash Flood | — | $30K | — | — | — | County |
| 3 Feb 2016 | Flood | — | $5K | — | — | — | County |
| 2 Feb 2016 | Flash Flood | — | $5K | — | — | — | County |
| 2 Feb 2016 | Flash Flood | — | $2K | — | — | — | County |
| 7 Apr 2014 | Flood | — | — | — | — | — | County |
| 7 Apr 2014 | Flood | — | — | — | — | — | County |
| 7 Apr 2014 | Flood | — | — | — | — | — | County |
| 7 Apr 2014 | Flood | — | — | — | — | — | County |
| 7 Apr 2014 | Flood | — | — | — | — | — | County |
| 12 Feb 2013 | Flash Flood | — | — | — | — | — | County |
| 5 Sep 2011 | Flash Flood | — | $30K | — | — | — | County |
| 8 Mar 2011 | Flash Flood | — | $10K | — | — | — | County |
| 8 Mar 2011 | Flash Flood | — | $10K | — | — | — | County |
| 1 Jan 2011 | Flash Flood | — | $10K | — | — | — | County |
| 28 Mar 2009 | Flash Flood | — | $40K | — | — | — | County |
| 9 Dec 2004 | Flash Flood | — | $5K | — | — | — | County |
| 5 Feb 2004 | Flash Flood | — | $150K | — | — | — | County |
| 21 Feb 2003 | Flash Flood | — | $50K | — | — | — | County |
| 21 Feb 2003 | Flash Flood | — | $1K | — | — | — | County |
| 3 Sep 2001 | Flash Flood | — | $8K | — | — | — | County |
| 12 Aug 2001 | Flash Flood | — | $100K | — | — | — | County |
| 2 Mar 2001 | Flash Flood | — | $5K | — | — | — | County |
| 30 Jan 1999 | Flash Flood | — | — | — | — | — | County |
| 7 Mar 1998 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Simpson County had?
46 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 Simpson County?
18 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Simpson County?
The flash flood of 5 Feb 2004, with property damage estimated by NCEI at $150K.
How does Simpson County compare with Mississippi for flood?
7.8 events per 100 square miles against 8.1 statewide; the county holds 46 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.