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Flood in Jefferson County, Arkansas
78 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 78 flood events in Jefferson County, Arkansas, between 1950 and 2026, spread over 25 years.
May is the busiest month, with 12 of the recorded events. The last 20 years account for 61 events against 17 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.4% of the 5,685 flood events recorded in Arkansas; its 8.9 per 100 square miles compares with 10.9 statewide.
Compared with Arkansas
| Measure | Jefferson County | Arkansas | US |
|---|---|---|---|
| Flood events since 1950 | 78 | 5,685 | 183,559 |
| Per 100 square miles | 8.9 | 10.9 | 5.2 |
| Per 10,000 residents | 11.8 | 18.8 | 5.5 |
| Deaths recorded | 0 | 92 | 2,961 |
| Busiest month | May | May | June |
By year
Seasonality
2Feb
5Mar
10Apr
8May
12Jun
10Jul
3Aug
6Sep
6Oct
4Nov
2Dec
10
Recorded events
All 78 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 |
|---|---|---|---|---|---|---|---|
| 5 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 5 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 3 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 2023 | Flash Flood | — | — | — | — | — | County |
| 5 Sep 2022 | Flash Flood | — | — | — | — | — | County |
| 5 May 2022 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Feb 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2020 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2019 | Flood | — | — | — | — | — | County |
| 26 May 2019 | Flood | — | $1.0M | $500K | — | — | County |
| 22 May 2019 | Flash Flood | — | — | — | — | — | County |
| 9 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 6 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 14 Apr 2018 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 2018 | Flash Flood | — | — | — | — | — | County |
| 28 Feb 2018 | Flash Flood | — | — | — | — | — | County |
| 22 Feb 2018 | Flood | — | — | — | — | — | County |
| 22 Dec 2017 | Flash Flood | — | — | — | — | — | County |
| 22 Dec 2017 | Flash Flood | — | — | — | — | — | County |
| 22 Dec 2017 | Flash Flood | — | — | — | — | — | County |
| 3 May 2017 | Flash Flood | — | — | — | — | — | County |
| 9 Mar 2016 | Flash Flood | — | — | — | — | — | County |
| 8 Mar 2016 | Flash Flood | — | — | — | — | — | County |
| 1 Jan 2016 | Flood | — | — | — | — | — | County |
| 29 Dec 2015 | Flood | — | — | — | — | — | County |
| 1 Jun 2015 | Flood | — | — | — | — | — | County |
| 28 May 2015 | Flood | — | $5.0M | — | — | — | County |
| 20 May 2015 | Flash Flood | — | — | — | — | — | County |
| 13 May 2015 | Flood | — | — | — | — | — | County |
| 9 Jun 2014 | Flash Flood | — | — | — | — | — | County |
| 21 Dec 2013 | Flash Flood | — | $40K | — | — | — | County |
| 17 May 2013 | Flash Flood | — | $50K | — | — | — | County |
| 4 Dec 2012 | Flood | — | $50K | — | — | — | County |
| 31 Aug 2012 | Flash Flood | — | $750K | — | — | — | County |
| 31 Aug 2012 | Flash Flood | — | $25K | — | — | — | County |
| 1 May 2011 | Flood | — | $500K | $8.0M | — | — | County |
| 28 Apr 2011 | Flood | — | $5K | $100K | — | — | County |
| 26 Apr 2011 | Flood | — | $100K | — | — | — | County |
| 7 Aug 2010 | Flash Flood | — | $1K | — | — | — | County |
| 24 Dec 2009 | Flood | — | $750K | — | — | — | County |
| 24 Dec 2009 | Flash Flood | — | $750K | — | — | — | County |
| 30 Oct 2009 | Flash Flood | — | $25K | — | — | — | County |
| 30 Oct 2009 | Flood | — | — | — | — | — | County |
| 13 Oct 2009 | Flash Flood | — | $10K | — | — | — | County |
| 5 Aug 2009 | Flash Flood | — | $2K | — | — | — | County |
| 6 May 2009 | Flash Flood | — | $450K | — | — | — | County |
| 4 May 2009 | Flood | — | $50K | — | — | — | County |
| 3 Sep 2008 | Flash Flood | — | $5K | — | — | — | County |
| 3 Sep 2008 | Flash Flood | — | $5K | — | — | — | County |
| 12 Apr 2008 | Flood | — | $300K | $75K | — | — | County |
| 21 Mar 2008 | Flood | — | $1.0M | $100K | — | — | County |
| 18 Mar 2008 | Flash Flood | — | $500K | — | — | — | County |
| 30 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 9 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2005 | Flash Flood | — | — | — | — | — | County |
| 13 Jan 2005 | Flash Flood | — | — | — | — | — | County |
| 23 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 23 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 29 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 17 Jun 2003 | Flash Flood | — | — | — | — | — | County |
| 7 May 2003 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2002 | Flash Flood | — | — | — | — | — | County |
| 30 Mar 2002 | Flash Flood | — | — | — | — | — | County |
| 17 Mar 2002 | Flash Flood | — | — | — | — | — | County |
| 17 Dec 2001 | Flash Flood | — | — | — | — | — | County |
| 10 Oct 2001 | Flash Flood | — | — | — | — | — | County |
| 16 Feb 2001 | Flash Flood | — | — | — | — | — | County |
| 16 Mar 1998 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 1997 | Flash Flood | — | — | — | — | — | County |
| 3 Feb 1997 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Jefferson County had?
78 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 Jefferson 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 Jefferson County?
The flood of 1 May 2011, with property damage estimated by NCEI at $500K and crop damage at $8.0M.
How does Jefferson County compare with Arkansas for flood?
8.9 events per 100 square miles against 10.9 statewide; the county holds 78 of the state's 5,685 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.