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Flood in Cass County, Missouri
72 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.
Cass County, Missouri, has 72 flood events in the NCEI record since 1950, with at least one in 23 different years.
June is the busiest month, with 24 of the recorded events. The last 20 years account for 53 events against 19 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.7% of the 10,821 flood events recorded in Missouri; its 10.3 per 100 square miles compares with 15.7 statewide.
Compared with Missouri
| Measure | Cass County | Missouri | US |
|---|---|---|---|
| Flood events since 1950 | 72 | 10,821 | 183,559 |
| Per 100 square miles | 10.3 | 15.7 | 5.2 |
| Per 10,000 residents | 6.6 | 17.5 | 5.5 |
| Deaths recorded | 0 | 159 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
0Feb
0Mar
4Apr
8May
20Jun
24Jul
11Aug
3Sep
1Oct
1Nov
0Dec
0
Recorded events
All 72 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 |
|---|---|---|---|---|---|---|---|
| 28 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 27 May 2021 | Flash Flood | — | — | — | — | — | County |
| 27 May 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 30 Jul 2020 | Flood | — | — | — | — | — | County |
| 29 Jul 2020 | Flood | — | — | — | — | — | County |
| 28 May 2020 | Flash Flood | — | — | — | — | — | County |
| 28 Sep 2019 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2019 | Flood | — | — | — | — | — | County |
| 4 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 4 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 24 May 2019 | Flash Flood | — | — | — | — | — | County |
| 21 May 2019 | Flood | — | — | — | — | — | County |
| 30 Apr 2019 | Flash Flood | — | — | — | — | — | County |
| 26 Mar 2018 | Flash Flood | — | — | — | — | — | County |
| 26 Mar 2018 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 27 Jul 2017 | Flood | — | — | — | — | — | County |
| 27 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 27 Jul 2017 | Flood | — | — | — | — | — | County |
| 30 May 2016 | Flash Flood | — | — | — | — | — | County |
| 6 Jul 2014 | Flood | — | — | — | — | — | County |
| 2 Apr 2014 | Flash Flood | — | — | — | — | — | County |
| 31 May 2013 | Flash Flood | — | — | — | — | — | County |
| 25 May 2012 | Flash Flood | — | — | — | — | — | County |
| 6 May 2012 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 2011 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 2011 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 2011 | Flood | — | — | — | — | — | County |
| 14 Jun 2010 | Flood | — | $3K | — | — | — | County |
| 12 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 10 Mar 2009 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2008 | Flood | — | — | — | — | — | County |
| 4 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2007 | Flash Flood | — | — | — | — | — | County |
| 29 Jun 2007 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2007 | Flash Flood | — | — | — | — | — | County |
| 6 May 2007 | Flash Flood | — | — | — | — | — | County |
| 6 May 2007 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2007 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2005 | Flash Flood | — | — | — | — | — | County |
| 16 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 19 May 2004 | Flash Flood | — | $500K | — | — | — | County |
| 18 May 2004 | Flash Flood | — | — | — | — | — | County |
| 4 Mar 2004 | Flood | — | — | — | — | — | Forecast zone |
| 9 May 2003 | Flash Flood | — | — | — | — | — | County |
| 11 May 2002 | Flash Flood | — | — | — | — | — | County |
| 11 May 2002 | Flash Flood | — | — | — | — | — | County |
| 8 May 2002 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 10 Apr 2001 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 1999 | Flood | — | $25K | — | — | — | County |
| 4 Oct 1998 | Flash Flood | — | $200K | — | — | — | County |
| 30 Jul 1998 | Flood | — | — | — | — | — | County |
| 25 May 1997 | Flash Flood | — | — | — | — | — | County |
| 31 May 1996 | Flood | — | — | — | — | — | County |
| 24 May 1996 | Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Cass County had?
72 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 Cass County?
28 Jun 2021 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Cass County?
The flash flood of 19 May 2004, with property damage estimated by NCEI at $500K.
How does Cass County compare with Missouri for flood?
10.3 events per 100 square miles against 15.7 statewide; the county holds 72 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 30 Sep 2026. See the methodology, the Flood hub and the county page.