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Flood in Harrison County, Indiana
69 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 69 flood events in Harrison County, Indiana, between 1950 and 2026, spread over 23 years.
March is the busiest month, with 13 of the recorded events. The last 20 years account for 38 events against 31 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 6,083 flood events recorded in Indiana; its 14.3 per 100 square miles compares with 17.0 statewide.
Compared with Indiana
| Measure | Harrison County | Indiana | US |
|---|---|---|---|
| Flood events since 1950 | 69 | 6,083 | 183,559 |
| Per 100 square miles | 14.3 | 17.0 | 5.2 |
| Per 10,000 residents | 17.4 | 8.9 | 5.5 |
| Deaths recorded | 0 | 83 | 2,961 |
| Busiest month | March | June | June |
By year
Seasonality
6Feb
1Mar
13Apr
12May
7Jun
10Jul
2Aug
4Sep
7Oct
1Nov
1Dec
5
Recorded events
All 69 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 |
|---|---|---|---|---|---|---|---|
| 26 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flash Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flash Flood | — | — | — | — | — | County |
| 13 Aug 2020 | Flash Flood | — | $150K | — | — | — | County |
| 8 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 2017 | Flood | — | — | — | — | — | County |
| 27 Apr 2016 | Flood | — | — | — | — | — | County |
| 27 Dec 2015 | Flood | — | — | — | — | — | County |
| 23 Dec 2015 | Flood | — | — | — | — | — | County |
| 26 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2015 | Flash Flood | — | $30K | — | — | — | County |
| 7 Apr 2015 | Flash Flood | — | — | — | — | — | County |
| 7 Apr 2015 | Flash Flood | — | — | — | — | — | County |
| 3 Apr 2015 | Flood | — | — | — | — | — | County |
| 3 Apr 2015 | Flood | — | — | — | — | — | County |
| 4 Mar 2015 | Flood | — | — | — | — | — | County |
| 4 Apr 2014 | Flash Flood | — | — | — | — | — | County |
| 2 May 2011 | Flood | — | — | — | — | — | County |
| 2 May 2011 | Flood | — | — | — | — | — | County |
| 2 May 2011 | Flood | — | — | — | — | — | County |
| 23 Apr 2011 | Flood | — | — | — | — | — | County |
| 23 Apr 2011 | Flood | — | — | — | — | — | County |
| 9 Oct 2009 | Flash Flood | — | — | — | — | — | County |
| 20 Sep 2009 | Flash Flood | — | — | — | — | — | County |
| 20 Sep 2009 | Flood | — | — | — | — | — | County |
| 20 Sep 2009 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2009 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2009 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2009 | Flood | — | — | — | — | — | County |
| 11 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2008 | Flood | — | — | — | — | — | County |
| 19 Mar 2008 | Flash Flood | — | $500K | — | — | — | County |
| 19 Mar 2008 | Flood | — | — | — | — | — | County |
| 15 Dec 2007 | Flood | — | — | — | — | — | County |
| 23 Sep 2006 | Flood | — | — | — | — | — | County |
| 23 Sep 2006 | Flash Flood | — | — | — | — | — | County |
| 22 Sep 2006 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2006 | Flash Flood | — | — | — | — | — | County |
| 12 Mar 2006 | Flash Flood | — | — | — | — | — | County |
| 11 Mar 2006 | Flood | — | — | — | — | — | County |
| 11 Mar 2006 | Flash Flood | — | — | — | — | — | County |
| 15 Nov 2005 | Flash Flood | — | — | — | — | — | County |
| 8 Jan 2005 | Flood | — | — | — | — | — | Forecast zone |
| 25 May 2004 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2003 | Flash Flood | — | — | — | — | — | County |
| 19 Dec 2002 | Flash Flood | — | — | — | — | — | County |
| 19 Dec 2002 | Flood | — | — | — | — | — | Forecast zone |
| 13 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 12 May 2002 | Flash Flood | — | — | — | — | — | County |
| 21 Apr 2002 | Flash Flood | — | — | — | — | — | County |
| 24 Jan 2002 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 18 Feb 2000 | Flash Flood | — | — | — | — | — | County |
| 3 Jan 2000 | Flash Flood | — | — | — | — | — | County |
| 3 Jan 2000 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 1999 | Flash Flood | — | — | — | — | — | County |
| 22 Jan 1999 | Flash Flood | — | — | — | — | — | County |
| 7 Jul 1998 | Flash Flood | — | — | — | — | — | County |
| 18 Mar 1997 | Flash Flood | — | — | — | — | — | County |
| 2 Mar 1997 | Flood | — | $10M | — | — | — | Forecast zone |
| 1 Mar 1997 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 1997 | Flash Flood | — | — | — | — | — | County |
| 11 May 1996 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 1996 | Flood | — | — | — | — | — | Forecast zone |
| 22 Jan 1996 | Flood | — | — | — | — | — | Forecast zone |
Questions and answers
How many flood events has Harrison County had?
69 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 Harrison County?
26 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Harrison County?
The flood of 2 Mar 1997, with property damage estimated by NCEI at $10M.
How does Harrison County compare with Indiana for flood?
14.3 events per 100 square miles against 17.0 statewide; the county holds 69 of the state's 6,083 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.