24 tornadoes touched St. Clair County, Michigan between 1950 and 2025 — about 0.3 a year. The strongest was rated F4 (May 21, 1953). Tornadoes here killed 3 and injured 100 people.
Peak month: May.
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| May 21, 1953 | F4 | 10 mi | 1,760 yd | 68 | 2 |
| Jun 8, 1953 | F4 | 33.8 mi | 833 yd | 23 | 0 |
| May 2, 1983 | F3 | 23 mi | 200 yd | 3 | 0 |
| Sep 2, 1984 | F3 | 15.6 mi | 400 yd | 1 | 0 |
| Jun 21, 1996 | F2 | 0.2 mi | 30 yd | 0 | 0 |
| May 21, 1975 | F2 | 0.1 mi | 20 yd | 0 | 0 |
| Jun 27, 2010 | EF1 | 2.9 mi | 250 yd | 4 | 1 |
| Mar 27, 1991 | F1 | 10 mi | 150 yd | 0 | 0 |
| Sep 17, 1977 | F1 | 5.2 mi | 117 yd | 0 | 0 |
| Sep 14, 1990 | F1 | 2 mi | 33 yd | 0 | 0 |
| Sep 6, 1990 | F1 | 2 mi | 40 yd | 0 | 0 |
| May 31, 2004 | F1 | 1.5 mi | 80 yd | 0 | 0 |
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Oct 14, 2021 | EF0 | 0.4 mi | 120 yd | 0 | 0 |
| Nov 6, 2015 | EF0 | 1.2 mi | 75 yd | 0 | 0 |
| Jun 22, 2015 | EF0 | 0.6 mi | 50 yd | 0 | 0 |
| Jun 27, 2010 | EF1 | 2.9 mi | 250 yd | 4 | 1 |
| May 31, 2004 | F1 | 1.5 mi | 80 yd | 0 | 0 |
| May 23, 2004 | F1 | 1 mi | 75 yd | 0 | 0 |
| May 14, 2004 | F0 | 0.5 mi | 30 yd | 0 | 0 |
| Jul 28, 1999 | F1 | 0.3 mi | 100 yd | 0 | 0 |
| Jun 21, 1996 | F1 | 0.1 mi | 20 yd | 0 | 0 |
| Jun 21, 1996 | F2 | 0.2 mi | 30 yd | 0 | 0 |
| May 28, 1995 | F1 | 0.6 mi | 100 yd | 0 | 0 |
| Mar 27, 1991 | F1 | 10 mi | 150 yd | 0 | 0 |
Deadliest: May 21, 1953, F4, 2 killed.
24 tornadoes touched St. Clair County, Michigan between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.
The strongest rating recorded was F4 on May 21, 1953, with a 10-mile path and 2 deaths.
Most of its tornadoes happened in May (8 of 24). Tornadoes can occur in any month, so keep alerts on year-round.
Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).