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Tornado in Calhoun County, Michigan
18 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 18 tornado events in Calhoun County, Michigan, between 1950 and 2026, spread over 16 years.
March is the busiest month, with 3 of the recorded events. The last 20 years account for 4 events against 5 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.4% of the 1,291 tornado events recorded in Michigan; its 2.5 per 100 square miles compares with 2.3 statewide.
By rating: 4 at (E)F0, 12 at (E)F1, 1 at (E)F2, 1 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Michigan
| Measure | Calhoun County | Michigan | US |
|---|---|---|---|
| Tornado events since 1950 | 18 | 1,291 | 81,281 |
| Per 100 square miles | 2.5 | 2.3 | 2.3 |
| Per 10,000 residents | 1.3 | 1.3 | 2.4 |
| Deaths recorded | 0 | 253 | 6,410 |
| Busiest month | March | June | May |
By year
Seasonality
0Feb
1Mar
3Apr
2May
3Jun
3Jul
3Aug
2Sep
1Oct
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 18 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 2026 | Tornado | EF0 | — | — | — | — | County |
| 15 May 2025 | Tornado | EF0 | — | — | — | — | County |
| 28 Feb 2024 | Tornado | EF1 | $1.0M | — | — | — | County |
| 5 Jun 2010 | Tornado | EF1 | $2.0M | — | — | — | County |
| 20 Jul 2003 | Tornado | F1 | $1.0M | $200K | — | — | County |
| 27 Jul 2002 | Tornado | F1 | $150K | $75K | — | — | County |
| 12 Jun 1998 | Tornado | F1 | $50K | — | — | — | County |
| 27 Mar 1991 | Tornado | F3 | $250K | — | — | 18 | County |
| 5 Aug 1989 | Tornado | F1 | $250K | — | — | — | County |
| 10 Sep 1986 | Tornado | F1 | $25K | — | — | — | County |
| 15 Jul 1986 | Tornado | F2 | $250K | — | — | — | County |
| 18 May 1984 | Tornado | F0 | $250 | — | — | — | County |
| 15 Jun 1982 | Tornado | F1 | $3K | — | — | — | County |
| 17 Apr 1981 | Tornado | F0 | $3K | — | — | — | County |
| 30 May 1980 | Tornado | F1 | $25K | — | — | — | County |
| 22 Apr 1976 | Tornado | F1 | $25K | — | — | — | County |
| 20 Mar 1976 | Tornado | F1 | $25K | — | — | — | County |
| 22 Aug 1964 | Tornado | F1 | $250K | — | — | 3 | County |
Questions and answers
How many tornado events has Calhoun County had?
18 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 Calhoun County?
6 Mar 2026 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Calhoun County?
The tornado of 5 Jun 2010, with property damage estimated by NCEI at $2.0M.
How does Calhoun County compare with Michigan for tornado?
2.5 events per 100 square miles against 2.3 statewide; the county holds 18 of the state's 1,291 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.