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Tornado in Cass County, Nebraska
52 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.
Cass County, Nebraska, has 52 tornado events in the NCEI record since 1950, with at least one in 26 different years.
June is the busiest month, with 17 of the recorded events. The last 20 years account for 24 events against 18 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.5% of the 3,400 tornado events recorded in Nebraska; its 9.3 per 100 square miles compares with 4.4 statewide.
By rating: 26 at (E)F0, 17 at (E)F1, 6 at (E)F2, 0 at (E)F3, 1 at (E)F4, 0 at (E)F5 and 2 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Nebraska
| Measure | Cass County | Nebraska | US |
|---|---|---|---|
| Tornado events since 1950 | 52 | 3,400 | 81,281 |
| Per 100 square miles | 9.3 | 4.4 | 2.3 |
| Per 10,000 residents | 19.2 | 17.3 | 2.4 |
| Deaths recorded | 0 | 56 | 6,410 |
| Busiest month | June | June | May |
By year
Seasonality
0Feb
0Mar
3Apr
6May
16Jun
17Jul
1Aug
2Sep
2Oct
1Nov
1Dec
3
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 52 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 Jun 2026 | Tornado | EF1 | — | — | — | — | County |
| 11 Jun 2026 | Tornado | EF0 | — | — | — | — | County |
| 11 Jun 2026 | Tornado | EF1 | — | — | — | — | County |
| 22 May 2026 | Tornado | EF0 | — | — | — | — | County |
| 17 May 2026 | Tornado | EF1 | — | — | — | — | County |
| 17 Apr 2025 | Tornado | EF0 | — | — | — | — | County |
| 17 Apr 2025 | Tornado | EF unrated | — | — | — | — | County |
| 17 Apr 2025 | Tornado | EF0 | — | — | — | — | County |
| 14 Jun 2022 | Tornado | EF1 | — | — | — | — | County |
| 15 Dec 2021 | Tornado | EF2 | — | — | — | — | County |
| 15 Dec 2021 | Tornado | EF2 | — | — | — | — | County |
| 15 Dec 2021 | Tornado | EF2 | — | — | — | — | County |
| 11 Jun 2018 | Tornado | EF0 | — | — | — | — | County |
| 11 Jun 2018 | Tornado | EF0 | — | — | — | — | County |
| 11 Jun 2018 | Tornado | EF0 | — | — | — | — | County |
| 9 May 2016 | Tornado | EF2 | — | — | — | — | County |
| 3 Oct 2013 | Tornado | EF0 | — | — | — | — | County |
| 14 Apr 2012 | Tornado | EF1 | — | — | — | — | County |
| 1 Jun 2010 | Tornado | EF1 | $4K | — | — | — | County |
| 23 Mar 2009 | Tornado | EF1 | $1.0M | — | — | — | County |
| 23 Mar 2009 | Tornado | EF1 | — | — | — | 3 | County |
| 23 Mar 2009 | Tornado | EF1 | — | — | — | 5 | County |
| 11 Jun 2008 | Tornado | EF1 | — | — | — | — | County |
| 11 Jun 2008 | Tornado | EF0 | — | — | — | — | County |
| 13 Jun 2004 | Tornado | F0 | — | — | — | — | County |
| 13 Jun 2004 | Tornado | F0 | — | — | — | — | County |
| 13 Jun 2004 | Tornado | F0 | — | — | — | — | County |
| 22 May 2004 | Tornado | F1 | — | — | — | — | County |
| 22 May 2004 | Tornado | F1 | — | — | — | — | County |
| 22 May 2004 | Tornado | F1 | — | — | — | — | County |
| 17 Nov 2003 | Tornado | F0 | — | — | — | — | County |
| 4 May 2003 | Tornado | F0 | — | — | — | — | County |
| 13 Jun 2000 | Tornado | F0 | — | — | — | — | County |
| 16 May 1999 | Tornado | F0 | $5K | — | — | — | County |
| 21 Apr 1999 | Tornado | F0 | — | — | — | — | County |
| 23 Jun 1996 | Tornado | F0 | — | — | — | — | County |
| 8 May 1995 | Tornado | F0 | — | — | — | — | County |
| 8 May 1995 | Tornado | F0 | — | — | — | — | County |
| 8 May 1995 | Tornado | F0 | — | — | — | — | County |
| 8 May 1995 | Tornado | F0 | — | — | — | — | County |
| 8 May 1995 | Tornado | F0 | — | — | — | — | County |
| 5 Sep 1992 | Tornado | F0 | — | — | — | — | County |
| 19 Apr 1985 | Tornado | F0 | — | — | — | — | County |
| 12 Jun 1984 | Tornado | F2 | $2.5M | — | — | — | County |
| 12 Jun 1984 | Tornado | F2 | $3K | — | — | — | County |
| 1 May 1983 | Tornado | F1 | $250K | — | — | — | County |
| 22 May 1975 | Tornado | F0 | — | — | — | — | County |
| 8 May 1965 | Tornado | F1 | — | — | — | — | County |
| 5 Sep 1958 | Tornado | — | $3K | — | — | — | County |
| 5 Aug 1958 | Tornado | F1 | $25K | — | — | — | County |
| 28 Jul 1956 | Tornado | F1 | $3K | — | — | — | County |
| 13 Aug 1952 | Tornado | F4 | $250K | — | — | — | County |
Questions and answers
How many tornado events has Cass County had?
52 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 Jun 2026 (Tornado, EF1). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Cass County?
The tornado of 12 Jun 1984, with property damage estimated by NCEI at $2.5M.
How does Cass County compare with Nebraska for tornado?
9.3 events per 100 square miles against 4.4 statewide; the county holds 52 of the state's 3,400 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.