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Flood in Shannon County, Missouri
157 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 157 flood events in Shannon County, Missouri, between 1950 and 2026, spread over 27 years.
April is the busiest month, with 35 of the recorded events. The last 20 years account for 124 events against 33 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.5% of the 10,821 flood events recorded in Missouri; its 15.6 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 | Shannon County | Missouri | US |
|---|---|---|---|
| Flood events since 1950 | 157 | 10,821 | 183,559 |
| Per 100 square miles | 15.6 | 15.7 | 5.2 |
| Per 10,000 residents | 220.9 | 17.5 | 5.5 |
| Deaths recorded | 2 | 159 | 2,961 |
| Busiest month | April | May | June |
By year
Seasonality
9Feb
12Mar
31Apr
35May
21Jun
10Jul
8Aug
3Sep
4Oct
4Nov
14Dec
6
Recorded events
All 157 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 Mar 2026 | Flood | — | — | — | — | — | County |
| 7 Mar 2026 | Flood | — | — | — | — | — | County |
| 5 Mar 2026 | Flood | — | — | — | — | — | County |
| 6 Jun 2025 | Flood | — | — | — | — | — | County |
| 5 Jun 2025 | Flash Flood | — | — | — | — | — | County |
| 5 Jun 2025 | Flash Flood | — | — | — | — | — | County |
| 5 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 5 Nov 2024 | Flood | — | $12K | — | — | — | County |
| 4 Nov 2024 | Flash Flood | — | $8.8M | — | — | — | County |
| 9 Jul 2024 | Flood | — | — | — | — | — | County |
| 31 May 2024 | Flood | — | — | — | — | — | County |
| 26 May 2024 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 2024 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 24 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flash Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 13 Apr 2022 | Flash Flood | — | — | — | — | — | County |
| 30 Mar 2022 | Flood | — | — | — | — | — | County |
| 30 Mar 2022 | Flood | — | — | — | — | — | County |
| 17 Feb 2022 | Flood | — | — | — | — | — | County |
| 13 Mar 2021 | Flood | — | — | — | — | — | County |
| 13 Mar 2021 | Flood | — | — | — | — | — | County |
| 13 Mar 2021 | Flood | — | — | — | — | — | County |
| 25 Jan 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Jan 2021 | Flash Flood | — | — | — | — | — | County |
| 29 Oct 2020 | Flood | — | — | — | — | — | County |
| 15 May 2020 | Flash Flood | — | $15K | — | — | — | County |
| 15 May 2020 | Flood | — | — | — | — | — | County |
| 14 May 2020 | Flash Flood | — | $3K | — | — | — | County |
| 19 Mar 2020 | Flood | — | — | — | — | — | County |
| 19 Mar 2020 | Flood | — | — | — | — | — | County |
| 19 Mar 2020 | Flood | — | — | — | — | — | County |
| 19 Mar 2020 | Flood | — | — | — | — | — | County |
| 13 Feb 2020 | Flood | — | — | — | — | — | County |
| 7 May 2019 | Flash Flood | — | $20K | — | — | — | County |
| 25 Apr 2019 | Flood | — | — | — | — | — | County |
| 25 Apr 2019 | Flood | — | — | — | — | — | County |
| 20 Feb 2019 | Flood | — | — | — | — | — | County |
| 11 Feb 2019 | Flood | — | — | — | — | — | County |
| 7 Feb 2019 | Flood | — | — | — | — | — | County |
| 4 Jan 2019 | Flood | — | — | — | — | — | County |
| 31 May 2018 | Flash Flood | — | — | — | — | — | County |
| 24 Feb 2018 | Flood | — | — | — | — | — | County |
| 24 Feb 2018 | Flood | — | — | — | — | — | County |
| 24 Feb 2018 | Flood | — | — | — | — | — | County |
| 29 Apr 2017 | Flash Flood | — | $5.0M | — | — | — | County |
| 26 Apr 2017 | Flood | — | — | — | — | — | County |
| 21 Apr 2017 | Flood | — | — | — | — | — | County |
| 21 Apr 2017 | Flood | — | — | — | — | — | County |
| 17 Sep 2016 | Flood | — | — | — | — | — | County |
| 4 Jul 2016 | Flash Flood | — | $100K | — | — | — | County |
| 28 Dec 2015 | Flash Flood | — | $500K | — | — | — | County |
| 18 Nov 2015 | Flood | — | — | — | — | — | County |
| 17 Nov 2015 | Flood | — | — | — | — | — | County |
| 17 Nov 2015 | Flood | — | — | — | — | — | County |
| 17 Nov 2015 | Flood | — | — | — | — | — | County |
| 17 Nov 2015 | Flood | — | — | — | — | — | County |
| 17 Nov 2015 | Flood | — | — | — | — | — | County |
| 17 Nov 2015 | Flood | — | — | — | — | — | County |
| 10 Aug 2015 | Flash Flood | — | — | — | — | — | County |
| 10 Aug 2015 | Flash Flood | — | — | — | — | — | County |
| 30 May 2015 | Flood | — | — | — | — | — | County |
| 30 May 2015 | Flood | — | — | — | — | — | County |
| 3 Apr 2015 | Flood | — | — | — | — | — | County |
| 3 Apr 2015 | Flood | — | — | — | — | — | County |
| 21 Dec 2013 | Flood | — | — | — | — | — | County |
| 21 Dec 2013 | Flood | — | — | — | — | — | County |
| 21 Dec 2013 | Flood | — | — | — | — | — | County |
| 21 Dec 2013 | Flood | — | — | — | — | — | County |
| 1 Jun 2013 | Flood | — | — | — | — | — | County |
| 1 Jun 2013 | Flood | — | — | — | — | — | County |
| 1 Jun 2013 | Flood | — | — | — | — | — | County |
| 1 Jun 2013 | Flood | — | — | — | — | — | County |
| 26 Feb 2013 | Flood | — | — | — | — | — | County |
| 26 Feb 2013 | Flood | — | — | — | — | — | County |
| 13 Jan 2013 | Flash Flood | — | — | — | — | — | County |
| 12 Jan 2013 | Flash Flood | — | — | — | — | — | County |
| 12 Jan 2013 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2011 | Flash Flood | — | $2K | — | 1 | — | County |
| 2 May 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | $1.0M | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 23 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 23 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 22 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 20 May 2010 | Flood | — | — | — | — | — | County |
| 15 May 2010 | Flash Flood | — | — | — | — | — | County |
| 30 Oct 2009 | Flash Flood | — | — | — | — | — | County |
| 29 Oct 2009 | Flood | — | — | — | — | — | County |
| 30 Jul 2009 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 4 Sep 2008 | Flood | — | — | — | — | — | County |
| 10 Apr 2008 | Flash Flood | — | — | — | 1 | — | County |
| 19 Mar 2008 | Flood | — | — | — | — | — | County |
| 18 Mar 2008 | Flash Flood | — | $1K | — | — | — | County |
| 8 Sep 2007 | Flash Flood | — | — | — | — | — | County |
| 3 May 2007 | Flash Flood | — | — | — | — | — | County |
| 11 Jul 2006 | Flash Flood | — | — | — | — | — | County |
| 10 Jul 2006 | Flash Flood | — | — | — | — | — | County |
| 3 May 2006 | Flash Flood | — | — | — | — | — | County |
| 27 Nov 2005 | Flash Flood | — | — | — | — | — | County |
| 27 Nov 2005 | Flash Flood | — | — | — | — | — | County |
| 15 Nov 2005 | Flash Flood | — | — | — | — | — | County |
| 15 Nov 2005 | Flash Flood | — | — | — | — | — | County |
| 13 Jan 2005 | Flash Flood | — | — | — | — | — | County |
| 13 Jan 2005 | Flood | — | — | — | — | — | Forecast zone |
| 18 Nov 2003 | Flash Flood | — | — | — | — | — | County |
| 23 Aug 2002 | Flash Flood | — | — | — | — | — | County |
| 19 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 17 May 2002 | Flash Flood | — | — | — | — | — | County |
| 17 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 13 May 2002 | Flood | — | — | — | — | — | Forecast zone |
| 12 May 2002 | Flash Flood | — | — | — | — | — | County |
| 8 May 2002 | Flood | — | $10K | — | — | — | Forecast zone |
| 8 Apr 2002 | Flood | — | — | — | — | — | Forecast zone |
| 19 Mar 2002 | Flood | — | — | — | — | — | Forecast zone |
| 1 Feb 2002 | Flood | — | — | — | — | — | Forecast zone |
| 31 Jan 2002 | Flood | — | — | — | — | — | Forecast zone |
| 16 Dec 2001 | Flood | — | — | — | — | — | Forecast zone |
| 12 Jun 1999 | Flash Flood | — | — | — | — | — | County |
| 14 Apr 1999 | Flash Flood | — | — | — | — | — | County |
| 6 Feb 1999 | Flash Flood | — | — | — | — | — | County |
| 6 Oct 1998 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 1998 | Flood | — | $142K | $4K | — | — | Forecast zone |
| 20 Jun 1998 | Flash Flood | — | $10K | — | — | — | County |
| 19 Mar 1998 | Flash Flood | — | — | — | — | — | County |
| 30 May 1997 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 1997 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 6 May 1996 | Flash Flood | — | $5K | — | — | — | County |
Questions and answers
How many flood events has Shannon County had?
157 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 Shannon County?
7 Mar 2026 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Shannon County?
The flash flood of 4 Nov 2024, with property damage estimated by NCEI at $8.8M.
How does Shannon County compare with Missouri for flood?
15.6 events per 100 square miles against 15.7 statewide; the county holds 157 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.