States › Missouri › Madison County › Flood
Flood in Madison County, Missouri
25 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 25 flood events in Madison County, Missouri, between 1950 and 2026, spread over 18 years.
April is the busiest month, with 7 of the recorded events. The last 20 years account for 18 events against 7 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.2% of the 10,821 flood events recorded in Missouri; its 5.1 per 100 square miles compares with 15.7 statewide.
NCEI attributes 2 deaths in the county to floods and flash floods.
Compared with Missouri
| Measure | Madison County | Missouri | US |
|---|---|---|---|
| Flood events since 1950 | 25 | 10,821 | 183,559 |
| Per 100 square miles | 5.1 | 15.7 | 5.2 |
| Per 10,000 residents | 19.8 | 17.5 | 5.5 |
| Deaths recorded | 2 | 159 | 2,961 |
| Busiest month | April | May | June |
By year
Seasonality
2Feb
1Mar
2Apr
7May
1Jun
0Jul
3Aug
5Sep
1Oct
0Nov
1Dec
2
Recorded events
All 25 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 |
|---|---|---|---|---|---|---|---|
| 7 Jul 2025 | Flash Flood | — | $1K | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 14 Aug 2023 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2023 | Flash Flood | — | — | — | — | — | County |
| 3 Aug 2023 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2022 | Flash Flood | — | $150K | — | — | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 13 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 28 Dec 2015 | Flash Flood | — | — | — | — | — | County |
| 12 Jan 2013 | Flood | — | — | — | 1 | — | County |
| 23 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 21 Mar 2010 | Flash Flood | — | — | — | — | — | County |
| 24 Dec 2009 | Flash Flood | — | — | — | — | — | County |
| 10 Apr 2008 | Flash Flood | — | $1K | — | — | — | County |
| 18 Mar 2008 | Flash Flood | — | — | — | — | — | County |
| 5 Feb 2008 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2007 | Flash Flood | — | $1K | — | — | — | County |
| 13 Jan 2007 | Flood | — | — | — | — | — | County |
| 15 Nov 2005 | Flash Flood | — | — | — | — | — | County |
| 12 May 2002 | Flash Flood | — | — | — | — | — | County |
| 28 Jul 2001 | Flash Flood | — | — | — | — | — | County |
| 3 Apr 1999 | Flash Flood | — | $6.0M | — | 1 | — | County |
| 26 Jul 1998 | Flash Flood | — | — | — | — | — | County |
| 22 Apr 1996 | Flash Flood | — | — | — | — | — | County |
| 19 Apr 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Madison County had?
25 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?
7 Jul 2025 (Flash 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 3 Apr 1999, with property damage estimated by NCEI at $6.0M; 1 death recorded.
How does Madison County compare with Missouri for flood?
5.1 events per 100 square miles against 15.7 statewide; the county holds 25 of the state's 10,821 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.