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Tornado in Johnson County, Missouri
34 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.
Johnson County, Missouri, has 34 tornado events in the NCEI record since 1950, with at least one in 21 different years.
May is the busiest month, with 16 of the recorded events. The last 20 years account for 6 events against 16 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 3,118 tornado events recorded in Missouri; its 4.1 per 100 square miles compares with 4.5 statewide.
NCEI attributes 1 death in the county to tornadoes.
By rating: 12 at (E)F0, 14 at (E)F1, 8 at (E)F2, 0 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Missouri
| Measure | Johnson County | Missouri | US |
|---|---|---|---|
| Tornado events since 1950 | 34 | 3,118 | 81,281 |
| Per 100 square miles | 4.1 | 4.5 | 2.3 |
| Per 10,000 residents | 6.3 | 5.1 | 2.4 |
| Deaths recorded | 1 | 429 | 6,410 |
| Busiest month | May | May | May |
By year
Seasonality
0Feb
2Mar
4Apr
4May
16Jun
3Jul
0Aug
0Sep
1Oct
3Nov
1Dec
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 34 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 |
|---|---|---|---|---|---|---|---|
| 6 Mar 2017 | Tornado | EF0 | — | — | — | — | County |
| 26 May 2016 | Tornado | EF0 | — | — | — | — | County |
| 20 May 2010 | Tornado | EF0 | — | — | — | — | County |
| 17 Oct 2007 | Tornado | EF0 | — | — | — | — | County |
| 28 Feb 2007 | Tornado | EF1 | $20K | — | — | — | County |
| 24 Feb 2007 | Tornado | EF1 | $200K | — | — | — | County |
| 30 Mar 2006 | Tornado | F0 | $5K | — | — | — | County |
| 12 Mar 2006 | Tornado | F0 | — | — | — | — | County |
| 12 Mar 2006 | Tornado | F2 | $2.0M | — | — | 4 | County |
| 4 Jun 2005 | Tornado | F1 | $1.1M | — | — | 2 | County |
| 29 Oct 2004 | Tornado | F0 | $5K | — | — | — | County |
| 29 Oct 2004 | Tornado | F1 | — | — | — | — | County |
| 9 May 2003 | Tornado | F0 | $1K | — | — | — | County |
| 8 May 2003 | Tornado | F0 | — | — | — | — | County |
| 8 May 2003 | Tornado | F0 | — | — | — | — | County |
| 6 May 2003 | Tornado | F0 | $10K | — | — | — | County |
| 4 May 2003 | Tornado | F2 | $1K | — | — | — | County |
| 4 May 2003 | Tornado | F1 | $25K | — | — | — | County |
| 10 Apr 2001 | Tornado | F1 | $2.0M | — | — | — | County |
| 26 May 2000 | Tornado | F1 | $5K | — | — | — | County |
| 26 May 1996 | Tornado | F1 | — | — | — | — | County |
| 15 Nov 1988 | Tornado | F1 | $250K | — | — | — | County |
| 20 May 1982 | Tornado | F1 | $250 | — | — | — | County |
| 2 Jun 1971 | Tornado | F1 | $3K | — | — | — | County |
| 2 Sep 1970 | Tornado | F0 | $250 | — | — | — | County |
| 4 Apr 1969 | Tornado | F2 | $250K | — | — | 1 | County |
| 15 May 1968 | Tornado | F2 | $25K | — | — | — | County |
| 15 May 1968 | Tornado | F2 | $25K | — | — | — | County |
| 15 May 1968 | Tornado | F2 | $25K | — | — | — | County |
| 15 May 1968 | Tornado | F2 | $250K | — | — | 2 | County |
| 12 Apr 1964 | Tornado | F2 | $250K | — | 1 | 3 | County |
| 8 Jun 1962 | Tornado | F1 | $250 | — | — | — | County |
| 23 Apr 1961 | Tornado | F1 | $3K | — | — | — | County |
| 19 May 1960 | Tornado | F1 | $3K | — | — | — | County |
Questions and answers
How many tornado events has Johnson County had?
34 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 Johnson County?
6 Mar 2017 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Johnson County?
The tornado of 10 Apr 2001, with property damage estimated by NCEI at $2.0M.
How does Johnson County compare with Missouri for tornado?
4.1 events per 100 square miles against 4.5 statewide; the county holds 34 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.