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Flood in Madison County, Ohio
38 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.
Madison County, Ohio, has 38 flood events in the NCEI record since 1950, with at least one in 20 different years.
January is the busiest month, with 7 of the recorded events. The last 20 years account for 18 events against 20 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.6% of the 6,794 flood events recorded in Ohio; its 8.2 per 100 square miles compares with 16.6 statewide.
Compared with Ohio
| Measure | Madison County | Ohio | US |
|---|---|---|---|
| Flood events since 1950 | 38 | 6,794 | 183,559 |
| Per 100 square miles | 8.2 | 16.6 | 5.2 |
| Per 10,000 residents | 8.6 | 5.8 | 5.5 |
| Deaths recorded | 0 | 74 | 2,961 |
| Busiest month | January | June | June |
By year
Seasonality
7Feb
1Mar
5Apr
2May
7Jun
7Jul
6Aug
2Sep
0Oct
1Nov
0Dec
0
Recorded events
All 38 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 |
|---|---|---|---|---|---|---|---|
| 27 May 2026 | Flood | — | — | — | — | — | County |
| 27 May 2026 | Flood | — | — | — | — | — | County |
| 27 May 2026 | Flood | — | — | — | — | — | County |
| 7 Oct 2025 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 18 Feb 2022 | Flood | — | — | — | — | — | County |
| 12 Aug 2021 | Flood | — | — | — | — | — | County |
| 20 Mar 2020 | Flash Flood | — | — | — | — | — | County |
| 20 Mar 2020 | Flash Flood | — | $10K | — | — | — | County |
| 6 Jul 2019 | Flood | — | — | — | — | — | County |
| 3 Jul 2019 | Flood | — | — | — | — | — | County |
| 3 Jul 2019 | Flood | — | — | — | — | — | County |
| 3 Jul 2019 | Flood | — | $250 | — | — | — | County |
| 3 Apr 2018 | Flood | — | — | — | — | — | County |
| 11 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 11 May 2011 | Flash Flood | — | $2K | — | — | — | County |
| 14 Mar 2007 | Flood | — | $3K | — | — | — | County |
| 1 Mar 2007 | Flood | — | $3K | — | — | — | County |
| 28 Jun 2005 | Flood | — | — | — | — | — | Forecast zone |
| 8 Jun 2005 | Flood | — | — | — | — | — | Forecast zone |
| 11 Jan 2005 | Flood | — | $10K | — | — | — | Forecast zone |
| 5 Jan 2005 | Flood | — | $20K | — | — | — | Forecast zone |
| 11 Jun 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jan 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jan 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jan 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Aug 2003 | Flood | — | — | — | — | — | Forecast zone |
| 9 May 2003 | Flood | — | — | — | — | — | Forecast zone |
| 23 Jul 2002 | Flood | — | $2K | — | — | — | Forecast zone |
| 18 May 2001 | Flash Flood | — | $5K | — | — | — | County |
| 16 May 2001 | Flash Flood | — | — | — | — | — | County |
| 9 Apr 2000 | Flood | — | — | — | — | — | Forecast zone |
| 3 Jan 2000 | Flash Flood | — | $5K | — | — | — | County |
| 24 Jan 1999 | Flood | — | — | — | — | — | Forecast zone |
| 29 Jun 1998 | Flood | — | — | — | — | — | Forecast zone |
| 29 Jun 1998 | Flash Flood | — | $100K | — | — | — | County |
| 2 Jun 1997 | Flash Flood | — | $100K | — | — | — | County |
| 1 Jun 1997 | Flash Flood | — | $100K | — | — | — | County |
Questions and answers
How many flood events has Madison County had?
38 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 Madison County?
27 May 2026 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Madison County?
The flash flood of 1 Jun 1997, with property damage estimated by NCEI at $100K.
How does Madison County compare with Ohio for flood?
8.2 events per 100 square miles against 16.6 statewide; the county holds 38 of the state's 6,794 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.