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Tornado in McClain County, Oklahoma
84 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.
McClain County, Oklahoma, has 84 tornado events in the NCEI record since 1950, with at least one in 40 different years.
May is the busiest month, with 33 of the recorded events. The last 20 years account for 47 events against 17 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.7% of the 5,054 tornado events recorded in Oklahoma; its 14.7 per 100 square miles compares with 7.4 statewide.
NCEI attributes 4 deaths in the county to tornadoes.
By rating: 34 at (E)F0, 29 at (E)F1, 13 at (E)F2, 2 at (E)F3, 4 at (E)F4, 0 at (E)F5 and 2 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Oklahoma
| Measure | McClain County | Oklahoma | US |
|---|---|---|---|
| Tornado events since 1950 | 84 | 5,054 | 81,281 |
| Per 100 square miles | 14.7 | 7.4 | 2.3 |
| Per 10,000 residents | 19.3 | 12.7 | 2.4 |
| Deaths recorded | 4 | 364 | 6,410 |
| Busiest month | May | May | May |
By year
Seasonality
1Feb
2Mar
5Apr
20May
33Jun
8Jul
0Aug
2Sep
3Oct
3Nov
4Dec
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 84 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 |
|---|---|---|---|---|---|---|---|
| 8 Jan 2026 | Tornado | EF2 | $400K | — | — | — | County |
| 6 Jun 2025 | Tornado | EF0 | $1K | — | — | — | County |
| 6 Jun 2025 | Tornado | EF0 | $15K | — | — | — | County |
| 6 Jun 2025 | Tornado | EF0 | $2K | — | — | — | County |
| 3 Jun 2025 | Tornado | EF1 | $60K | — | — | — | County |
| 3 Nov 2024 | Tornado | EF1 | $5.0M | — | — | — | County |
| 27 Apr 2024 | Tornado | EF1 | $40K | — | — | — | County |
| 27 Apr 2024 | Tornado | EF1 | $2K | — | — | — | County |
| 27 Apr 2024 | Tornado | EF1 | $2K | — | — | — | County |
| 27 Apr 2024 | Tornado | EF0 | $2K | — | — | — | County |
| 27 Apr 2024 | Tornado | EF2 | $200K | — | — | — | County |
| 11 May 2023 | Tornado | EF0 | $2K | — | — | — | County |
| 11 May 2023 | Tornado | EF0 | $5K | — | — | — | County |
| 11 May 2023 | Tornado | EF0 | — | — | — | — | County |
| 11 May 2023 | Tornado | EF1 | $100K | — | — | — | County |
| 19 Apr 2023 | Tornado | EF1 | $5K | — | — | — | County |
| 19 Apr 2023 | Tornado | EF1 | $30K | — | — | — | County |
| 19 Apr 2023 | Tornado | EF1 | $4K | — | — | — | County |
| 19 Apr 2023 | Tornado | EF0 | $20K | — | — | — | County |
| 19 Apr 2023 | Tornado | EF1 | $25K | — | — | — | County |
| 19 Apr 2023 | Tornado | EF3 | $4.0M | — | 1 | 2 | County |
| 26 Feb 2023 | Tornado | EF2 | $200K | — | — | — | County |
| 13 Dec 2022 | Tornado | EF2 | $75K | — | — | — | County |
| 16 Jun 2019 | Tornado | EF0 | — | — | — | — | County |
| 21 May 2019 | Tornado | EF1 | $30K | — | — | — | County |
| 19 May 2018 | Tornado | EF0 | $10K | — | — | — | County |
| 2 May 2018 | Tornado | EF1 | $10K | — | — | — | County |
| 21 Oct 2017 | Tornado | EF1 | $100K | — | — | — | County |
| 26 Dec 2015 | Tornado | EF0 | — | — | — | — | County |
| 23 May 2015 | Tornado | EF1 | — | — | — | — | County |
| 23 May 2015 | Tornado | EF0 | — | — | — | — | County |
| 19 May 2015 | Tornado | EF0 | — | — | — | — | County |
| 19 May 2015 | Tornado | EF0 | — | — | — | — | County |
| 6 May 2015 | Tornado | EF1 | — | — | — | — | County |
| 20 May 2013 | Tornado | EF4 | — | — | — | 5 | County |
| 13 Apr 2012 | Tornado | EF0 | — | — | — | — | County |
| 7 Nov 2011 | Tornado | EF1 | — | — | — | — | County |
| 24 May 2011 | Tornado | EF0 | — | — | — | — | County |
| 24 May 2011 | Tornado | EF1 | — | — | — | — | County |
| 24 May 2011 | Tornado | EF4 | — | — | — | — | County |
| 24 May 2011 | Tornado | EF4 | — | — | — | 61 | County |
| 22 Apr 2011 | Tornado | EF0 | — | — | — | — | County |
| 22 Apr 2011 | Tornado | EF1 | $5K | — | — | — | County |
| 10 May 2010 | Tornado | EF1 | — | — | — | — | County |
| 10 May 2010 | Tornado | EF0 | — | — | — | — | County |
| 29 Apr 2009 | Tornado | EF1 | — | — | — | — | County |
| 7 May 2008 | Tornado | EF0 | $15K | — | — | — | County |
| 8 May 2003 | Tornado | F0 | — | — | — | — | County |
| 3 May 1999 | Tornado | F4 | $10M | — | 1 | 17 | County |
| 3 May 1999 | Tornado | F0 | — | — | — | — | County |
| 5 Apr 1999 | Tornado | F1 | $40K | — | — | — | County |
| 9 Nov 1998 | Tornado | F1 | $100K | — | — | — | County |
| 4 Oct 1998 | Tornado | F0 | $5K | — | — | — | County |
| 4 Oct 1998 | Tornado | F0 | $500 | — | — | — | County |
| 25 May 1997 | Tornado | F0 | $1K | — | — | — | County |
| 25 May 1997 | Tornado | F2 | $900K | — | — | 2 | County |
| 6 Jun 1996 | Tornado | F0 | — | — | — | — | County |
| 6 Jun 1996 | Tornado | F0 | — | — | — | — | County |
| 26 May 1996 | Tornado | F0 | — | — | — | — | County |
| 13 Sep 1993 | Tornado | F0 | — | — | — | — | County |
| 2 Sep 1992 | Tornado | F2 | $250K | — | — | 1 | County |
| 2 May 1991 | Tornado | F1 | $25K | — | — | 3 | County |
| 13 Mar 1990 | Tornado | F2 | $2.5M | — | — | 1 | County |
| 13 Mar 1990 | Tornado | F2 | $250K | — | — | — | County |
| 26 Mar 1985 | Tornado | F1 | $250K | — | — | — | County |
| 27 May 1984 | Tornado | F0 | $3K | — | — | — | County |
| 27 May 1984 | Tornado | F0 | $250 | — | — | — | County |
| 27 Aug 1982 | Tornado | F2 | $25K | — | — | — | County |
| 11 Jun 1982 | Tornado | F2 | $250K | — | — | — | County |
| 17 May 1981 | Tornado | F1 | — | — | — | — | County |
| 21 Aug 1979 | Tornado | F0 | — | — | — | — | County |
| 2 Mar 1977 | Tornado | F1 | $25K | — | — | — | County |
| 19 Nov 1973 | Tornado | F3 | $2.5M | — | 2 | 18 | County |
| 29 Dec 1972 | Tornado | F2 | $25K | — | — | — | County |
| 14 Apr 1965 | Tornado | F0 | — | — | — | — | County |
| 5 Apr 1965 | Tornado | F1 | $3K | — | — | — | County |
| 3 Apr 1964 | Tornado | — | — | — | — | — | County |
| 26 May 1962 | Tornado | F2 | $25K | — | — | — | County |
| 17 Feb 1961 | Tornado | — | $250 | — | — | — | County |
| 23 May 1960 | Tornado | F1 | $30 | — | — | — | County |
| 3 Sep 1959 | Tornado | F0 | — | — | — | — | County |
| 24 May 1957 | Tornado | F1 | $30 | — | — | — | County |
| 2 Apr 1953 | Tornado | F0 | — | — | — | — | County |
| 13 Mar 1953 | Tornado | F2 | $250K | — | — | 2 | County |
Questions and answers
How many tornado events has McClain County had?
84 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 McClain County?
8 Jan 2026 (Tornado, EF2). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in McClain County?
The tornado of 3 May 1999, with property damage estimated by NCEI at $10M; 1 death recorded.
How does McClain County compare with Oklahoma for tornado?
14.7 events per 100 square miles against 7.4 statewide; the county holds 84 of the state's 5,054 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.