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Tornado in Cass County, Missouri
41 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.
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 41 tornado events in Cass County, Missouri, between 1950 and 2026, spread over 25 years.
May is the busiest month, with 14 of the recorded events. The last 20 years account for 14 events against 7 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.3% of the 3,118 tornado events recorded in Missouri; its 5.9 per 100 square miles compares with 4.5 statewide.
NCEI attributes 3 deaths in the county to tornadoes.
By rating: 23 at (E)F0, 11 at (E)F1, 2 at (E)F2, 5 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Missouri
| Measure | Cass County | Missouri | US |
|---|---|---|---|
| Tornado events since 1950 | 41 | 3,118 | 81,281 |
| Per 100 square miles | 5.9 | 4.5 | 2.3 |
| Per 10,000 residents | 3.7 | 5.1 | 2.4 |
| Deaths recorded | 3 | 429 | 6,410 |
| Busiest month | May | May | May |
By year
Seasonality
0Feb
1Mar
2Apr
9May
14Jun
9Jul
2Aug
1Sep
3Oct
0Nov
0Dec
0
Magnitude distribution
Enhanced Fujita scale wind estimates
- EF0/F0
- 65–85 mph (EF0)
- EF1/F1
- 86–110 mph (EF1)
- EF2/F2
- 111–135 mph (EF2)
- EF3/F3
- 136–165 mph (EF3)
- EF4/F4
- 166–200 mph (EF4)
- EF5/F5
- over 200 mph (EF5)
- Unrated
- no rating recorded
Tornado rating as recorded (Fujita scale before February 2007, Enhanced Fujita after).
Recorded events
All 41 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 |
|---|---|---|---|---|---|---|---|
| 11 Jul 2025 | Tornado | EF0 | — | — | — | — | County |
| 15 Mar 2021 | Tornado | EF0 | — | — | — | — | County |
| 4 Jun 2020 | Tornado | EF0 | — | — | — | — | County |
| 2 May 2018 | Tornado | EF0 | — | — | — | — | County |
| 18 Sep 2015 | Tornado | EF1 | — | — | — | — | County |
| 18 Sep 2015 | Tornado | EF0 | — | — | — | — | County |
| 1 Jul 2015 | Tornado | EF0 | — | — | — | — | County |
| 15 Jun 2014 | Tornado | EF0 | — | — | — | — | County |
| 6 May 2012 | Tornado | EF0 | — | — | — | — | County |
| 6 May 2012 | Tornado | EF0 | — | — | — | — | County |
| 25 May 2011 | Tornado | EF0 | — | — | — | — | County |
| 8 Jun 2010 | Tornado | EF0 | $10K | — | — | — | County |
| 1 May 2008 | Tornado | EF0 | — | — | — | — | County |
| 28 Feb 2007 | Tornado | EF1 | $30K | — | — | — | County |
| 12 Mar 2006 | Tornado | F2 | $75K | — | — | — | County |
| 4 Jun 2005 | Tornado | F0 | — | — | — | — | County |
| 9 May 2003 | Tornado | F1 | $1.0M | — | — | 1 | County |
| 9 May 2003 | Tornado | F0 | — | — | — | — | County |
| 4 May 2003 | Tornado | F2 | $200K | — | — | — | County |
| 4 May 2003 | Tornado | F1 | — | — | — | — | County |
| 30 May 2001 | Tornado | F0 | $1K | — | — | — | County |
| 21 Jun 1981 | Tornado | F0 | — | — | — | — | County |
| 21 Jun 1981 | Tornado | F0 | — | — | — | — | County |
| 19 Jun 1981 | Tornado | F0 | — | — | — | — | County |
| 19 Jun 1981 | Tornado | F0 | — | — | — | — | County |
| 4 May 1977 | Tornado | F3 | $25M | — | 2 | 15 | County |
| 4 Apr 1969 | Tornado | F0 | $30 | — | — | — | County |
| 15 May 1968 | Tornado | F3 | $250 | — | — | — | County |
| 18 Aug 1967 | Tornado | F1 | $250 | — | — | — | County |
| 16 Apr 1967 | Tornado | F0 | $30 | — | — | — | County |
| 16 Apr 1967 | Tornado | F0 | $30 | — | — | — | County |
| 4 Jun 1965 | Tornado | F0 | $250 | — | — | — | County |
| 26 May 1965 | Tornado | F1 | $25K | — | — | — | County |
| 10 Apr 1965 | Tornado | F1 | $25K | — | — | — | County |
| 12 Apr 1964 | Tornado | F3 | $2.5M | — | — | — | County |
| 12 Apr 1964 | Tornado | F3 | $2.5M | — | 1 | 10 | County |
| 23 Apr 1961 | Tornado | F1 | $3K | — | — | — | County |
| 22 Apr 1961 | Tornado | F1 | $25K | — | — | — | County |
| 15 Apr 1960 | Tornado | F3 | $25K | — | — | — | County |
| 24 Sep 1955 | Tornado | F1 | $25K | — | — | — | County |
| 27 May 1955 | Tornado | F1 | $3K | — | — | — | County |
Questions and answers
How many tornado events has Cass County had?
41 events in the NCEI Storm Events record between 1950 and 2026. Reporting of tornadoes became far more complete after 1996, so early decades undercount.
When was the last recorded tornado event in Cass County?
11 Jul 2025 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Cass County?
The tornado of 4 May 1977, with property damage estimated by NCEI at $25M; 2 deaths recorded.
How does Cass County compare with Missouri for tornado?
5.9 events per 100 square miles against 4.5 statewide; the county holds 41 of the state's 3,118 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 Tornado hub and the county page.