States › Missouri › Clay County › Flood
Flood in Clay County, Missouri
129 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 129 flood events in Clay County, Missouri, between 1950 and 2026, spread over 23 years.
June is the busiest month, with 33 of the recorded events. The last 20 years account for 60 events against 69 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.2% of the 10,821 flood events recorded in Missouri; its 32.4 per 100 square miles compares with 15.7 statewide.
Compared with Missouri
| Measure | Clay County | Missouri | US |
|---|---|---|---|
| Flood events since 1950 | 129 | 10,821 | 183,559 |
| Per 100 square miles | 32.4 | 15.7 | 5.2 |
| Per 10,000 residents | 5.0 | 17.5 | 5.5 |
| Deaths recorded | 0 | 159 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
1Feb
3Mar
4Apr
7May
31Jun
33Jul
14Aug
16Sep
10Oct
8Nov
1Dec
1
Recorded events
All 129 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 |
|---|---|---|---|---|---|---|---|
| 24 May 2022 | Flood | — | — | — | — | — | County |
| 25 Jun 2021 | Flood | — | — | — | — | — | County |
| 28 May 2020 | Flash Flood | — | — | — | — | — | County |
| 27 Sep 2019 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2019 | Flood | — | — | — | — | — | County |
| 28 May 2019 | Flash Flood | — | — | — | — | — | County |
| 24 May 2019 | Flash Flood | — | — | — | — | — | County |
| 24 May 2019 | Flash Flood | — | — | — | — | — | County |
| 1 May 2019 | Flood | — | — | — | — | — | County |
| 1 Apr 2019 | Flood | — | — | — | — | — | County |
| 8 Oct 2018 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flood | — | — | — | — | — | County |
| 5 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 5 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 26 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 26 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 26 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 27 Aug 2016 | Flood | — | — | — | — | — | County |
| 26 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 26 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 23 May 2016 | Flash Flood | — | — | — | — | — | County |
| 23 May 2016 | Flash Flood | — | — | — | — | — | County |
| 26 Apr 2016 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 21 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 21 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | — | — | — | — | County |
| 16 May 2015 | Flash Flood | — | — | — | — | — | County |
| 16 May 2015 | Flash Flood | — | — | — | — | — | County |
| 1 Oct 2014 | Flash Flood | — | — | — | — | — | County |
| 19 Sep 2013 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 20 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 15 May 2009 | Flash Flood | — | — | — | — | — | County |
| 15 May 2009 | Flash Flood | — | — | — | — | — | County |
| 15 May 2009 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2008 | Flood | — | — | — | — | — | County |
| 23 Apr 2008 | Flash Flood | — | — | — | — | — | County |
| 17 Mar 2008 | Flood | — | — | — | — | — | County |
| 4 Jul 2007 | Flash Flood | — | $20K | — | — | — | County |
| 4 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 10 Jun 2007 | Flood | — | — | — | — | — | County |
| 10 Jun 2007 | Flash Flood | — | — | — | — | — | County |
| 30 May 2007 | Flash Flood | — | — | — | — | — | County |
| 30 May 2007 | Flash Flood | — | — | — | — | — | County |
| 7 May 2007 | Flood | — | — | — | — | — | County |
| 6 May 2007 | Flood | — | — | $750K | — | — | County |
| 27 Aug 2006 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2005 | Flood | — | — | — | — | — | Forecast zone |
| 2 Oct 2005 | Flood | — | — | — | — | — | Forecast zone |
| 13 Aug 2005 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2005 | Flash Flood | — | — | — | — | — | County |
| 5 Jun 2005 | Flood | — | — | — | — | — | Forecast zone |
| 5 Jun 2005 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jun 2005 | Flash Flood | — | — | — | — | — | County |
| 13 May 2005 | Flood | — | — | — | — | — | Forecast zone |
| 13 Feb 2005 | Flood | — | — | — | — | — | Forecast zone |
| 18 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2004 | Flood | — | — | — | — | — | Forecast zone |
| 27 Aug 2004 | Flash Flood | — | — | — | — | — | County |
| 27 Aug 2004 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2004 | Flood | — | — | — | — | — | Forecast zone |
| 16 Jul 2004 | Flood | — | — | — | — | — | Forecast zone |
| 16 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2004 | Flood | — | — | — | — | — | Forecast zone |
| 19 May 2004 | Flood | — | — | — | — | — | Forecast zone |
| 19 May 2004 | Flash Flood | — | — | — | — | — | County |
| 4 Mar 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Mar 2004 | Flood | — | — | — | — | — | Forecast zone |
| 12 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 6 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 6 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 17 Sep 2001 | Flood | — | — | — | — | — | Forecast zone |
| 17 Sep 2001 | Flood | — | — | — | — | — | Forecast zone |
| 12 Jul 2001 | Flood | — | — | — | — | — | Forecast zone |
| 21 Jun 2001 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jun 2001 | Flood | — | — | — | — | — | Forecast zone |
| 6 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 5 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 5 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2001 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jun 2001 | Flood | — | — | — | — | — | Forecast zone |
| 15 Mar 2001 | Flood | — | — | — | — | — | Forecast zone |
| 24 Feb 2001 | Flood | — | — | — | — | — | Forecast zone |
| 9 Feb 2001 | Flood | — | — | — | — | — | Forecast zone |
| 20 Aug 2000 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jun 2000 | Flash Flood | — | — | — | — | — | County |
| 27 Jun 1999 | Flood | — | — | — | — | — | Forecast zone |
| 23 Jun 1999 | Flood | — | $50K | — | — | — | County |
| 23 Jun 1999 | Flood | — | — | — | — | — | Forecast zone |
| 4 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 26 Apr 1999 | Flood | — | — | — | — | — | Forecast zone |
| 22 Apr 1999 | Flood | — | — | — | — | — | Forecast zone |
| 22 Apr 1999 | Flood | — | — | — | — | — | County |
| 15 Apr 1999 | Flood | — | — | — | — | — | Forecast zone |
| 31 Jan 1999 | Flood | — | — | — | — | — | Forecast zone |
| 6 Dec 1998 | Flood | — | — | — | — | — | Forecast zone |
| 1 Nov 1998 | Flood | — | — | — | — | — | Forecast zone |
| 31 Oct 1998 | Flood | — | — | — | — | — | Forecast zone |
| 17 Oct 1998 | Flood | — | — | — | — | — | Forecast zone |
| 4 Oct 1998 | Flash Flood | — | $4.0M | — | — | — | County |
| 4 Oct 1998 | Flood | — | — | — | — | — | Forecast zone |
| 14 Sep 1998 | Flood | — | — | — | — | — | Forecast zone |
| 23 Jun 1998 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 1998 | Flood | — | — | — | — | — | Forecast zone |
| 21 Jul 1996 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jul 1996 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jul 1996 | Flood | — | — | — | — | — | County |
| 17 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 17 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 31 May 1996 | Flood | — | — | — | — | — | County |
| 31 May 1996 | Flood | — | — | — | — | — | Forecast zone |
| 27 May 1996 | Flood | — | — | — | — | — | Forecast zone |
| 27 May 1996 | Flood | — | — | — | — | — | Forecast zone |
| 26 May 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Clay County had?
129 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 Clay County?
24 May 2022 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Clay County?
The flash flood of 4 Oct 1998, with property damage estimated by NCEI at $4.0M.
How does Clay County compare with Missouri for flood?
32.4 events per 100 square miles against 15.7 statewide; the county holds 129 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.