County Hazards

States › Indiana › Dearborn County › Flood

Flood in Dearborn County, Indiana

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

92 events · 0 deaths recorded · peak month June · county share of state 1.5%

2026-06-18: Flood2025-02-16: Flood2023-03-24: Flood2023-03-24: Flood2023-03-24: Flood2022-05-21: Flood2021-06-30: Flood2021-06-19: Flood2019-07-15: Flood2019-06-16: Flood2019-06-16: Flood2019-06-16: Flood2019-06-15: Flood2019-02-12: Flood2019-02-07: Flood2019-02-07: Flood2019-02-07: Flood2019-02-06: Flood2019-02-06: Flood2018-06-12: Flood2018-06-12: Flood2018-02-24: Flood2017-06-23: Flood2017-06-23: Flood2017-06-23: Flood2017-04-29: Flood2017-04-29: Flood2017-04-29: Flood2017-04-29: Flood2017-03-01: Flood2017-03-01: Flood2017-03-01: Flood2016-09-08: Flood2016-08-28: Flood2016-06-02: Flood2015-07-12: Flood2014-04-04: Flood2013-06-26: Flood2011-12-05: Flood2011-04-23: Flood2011-04-23: Flood2008-06-04: Flood2008-05-15: Flood2008-03-18: Flood2008-03-18: Flood2008-03-04: Flood2006-04-07: Flood2006-03-12: Flood2005-01-05: Flood
Flood event locations in and around Dearborn 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.

Dearborn County, Indiana, has 92 flood events in the NCEI record since 1950, with at least one in 24 different years.

June is the busiest month, with 19 of the recorded events. The last 20 years account for 47 events against 45 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.5% of the 6,083 flood events recorded in Indiana; its 30.2 per 100 square miles compares with 17.0 statewide.

Compared with Indiana

MeasureDearborn CountyIndianaUS
Flood events since 1950926,083183,559
Per 100 square miles30.217.05.2
Per 10,000 residents18.18.95.5
Deaths recorded0832,961
Busiest monthJuneJuneJune

By year

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

Seasonality

Jan
6
Feb
10
Mar
13
Apr
15
May
12
Jun
19
Jul
6
Aug
2
Sep
3
Oct
2
Nov
1
Dec
3
Flood events in Dearborn County by month of occurrence, all years.

Recorded events

All 92 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
18 Jun 2026Flash Flood—————County
16 Feb 2025Flash Flood—$10K———County
24 Mar 2023Flood—————County
24 Mar 2023Flood—————County
24 Mar 2023Flood—————County
21 May 2022Flood—————County
30 Jun 2021Flash Flood—$10K———County
19 Jun 2021Flash Flood—$100K———County
15 Jul 2019Flood—————County
16 Jun 2019Flash Flood—————County
16 Jun 2019Flash Flood—$6K———County
16 Jun 2019Flash Flood—————County
15 Jun 2019Flood—————County
12 Feb 2019Flood—————County
7 Feb 2019Flash Flood—————County
7 Feb 2019Flood—————County
7 Feb 2019Flood—————County
6 Feb 2019Flood—————County
6 Feb 2019Flood—————County
12 Jun 2018Flood—————County
12 Jun 2018Flash Flood—————County
24 Feb 2018Flash Flood—————County
23 Jun 2017Flood—————County
23 Jun 2017Flash Flood—$15K———County
23 Jun 2017Flash Flood—————County
29 Apr 2017Flash Flood—————County
29 Apr 2017Flash Flood—————County
29 Apr 2017Flash Flood—————County
29 Apr 2017Flash Flood—$1K———County
1 Mar 2017Flash Flood—$20K———County
1 Mar 2017Flash Flood—$10K———County
1 Mar 2017Flash Flood—$30K———County
8 Sep 2016Flash Flood—————County
28 Aug 2016Flash Flood—————County
2 Jun 2016Flash Flood—————County
12 Jul 2015Flood—————County
4 Apr 2014Flood—————County
26 Jun 2013Flash Flood—$1K———County
5 Dec 2011Flood—$1K———County
23 Apr 2011Flash Flood—$1K———County
23 Apr 2011Flash Flood—$20K———County
4 Jun 2008Flash Flood—$4K———County
15 May 2008Flood—$2K———County
4 Apr 2008Flash Flood—$3K———County
18 Mar 2008Flood—$5K———County
18 Mar 2008Flash Flood—$8K———County
4 Mar 2008Flood—$5K———County
7 Apr 2006Flash Flood—————County
12 Mar 2006Flash Flood—————County
23 Sep 2005Flood—————Forecast zone
28 Mar 2005Flood—$20K———Forecast zone
28 Mar 2005Flood—————Forecast zone
5 Jan 2005Flood—$20K———Forecast zone
5 Jan 2005Flash Flood—$10K———County
18 Oct 2004Flood—————Forecast zone
4 Jan 2004Flood—————Forecast zone
4 Jan 2004Flood—————Forecast zone
10 Jul 2003Flash Flood—————County
15 Jun 2003Flash Flood—————County
10 May 2003Flood—————Forecast zone
10 May 2003Flood—————Forecast zone
10 May 2003Flood—————Forecast zone
10 Nov 2002Flood—————Forecast zone
27 Sep 2002Flood—————Forecast zone
28 May 2002Flash Flood—————County
13 May 2002Flood—————Forecast zone
12 May 2002Flash Flood—————County
8 May 2002Flash Flood—————County
7 May 2002Flash Flood—$4K———County
21 Apr 2002Flood—————Forecast zone
17 Dec 2001Flood—————Forecast zone
24 Oct 2001Flash Flood—————County
11 Aug 2001Flash Flood—————County
18 Jul 2001Flash Flood—————County
18 Jul 2001Flash Flood—$5K———County
18 May 2001Flash Flood—$5K———County
18 Feb 2000Flash Flood—$5K———County
13 Feb 2000Flash Flood—$5K———County
3 Jan 2000Flash Flood—$25K———County
20 Jul 1998Flash Flood—————County
23 Jun 1998Flash Flood—————County
11 Jun 1998Flood—————Forecast zone
16 Apr 1998Flash Flood—————County
8 Apr 1998Flash Flood—————County
2 Mar 1997Flood—$3.0M———Forecast zone
1 Dec 1996Flash Flood—————County
19 Jun 1996Flash Flood—$25K———County
4 May 1996Flash Flood—$5K———County
29 Apr 1996Flash Flood—$4K———County
29 Apr 1996Flood—$500K———Forecast zone
29 Apr 1996Flash Flood—$3K———County
24 Jan 1996Flood—$100K———Forecast zone

Questions and answers

How many flood events has Dearborn County had?

92 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 Dearborn 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 Dearborn County?

The flood of 2 Mar 1997, with property damage estimated by NCEI at $3.0M.

How does Dearborn County compare with Indiana for flood?

30.2 events per 100 square miles against 17.0 statewide; the county holds 92 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.