25 tornadoes touched St. Clair County, Missouri between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (Mar 15, 1982). Tornadoes here killed 3 and injured 20 people.
Peak month: May.
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Mar 15, 1982 | F3 | 70 mi | 600 yd | 8 | 2 |
| May 4, 1999 | F3 | 3 mi | 200 yd | 1 | 0 |
| Mar 12, 2006 | F2 | 38 mi | 300 yd | 7 | 1 |
| May 26, 2004 | F2 | 12 mi | 200 yd | 1 | 0 |
| Apr 20, 1973 | F2 | 5.7 mi | 17 yd | 0 | 0 |
| Apr 20, 1973 | F1 | 13 mi | 17 yd | 0 | 0 |
| Apr 20, 1973 | F1 | 9.8 mi | 10 yd | 0 | 0 |
| Jan 29, 2013 | EF1 | 8.6 mi | 400 yd | 0 | 0 |
| Apr 13, 1972 | F1 | 5.4 mi | 50 yd | 1 | 0 |
| May 24, 2015 | EF1 | 5 mi | 200 yd | 0 | 0 |
| May 19, 2025 | EF1 | 4.6 mi | 50 yd | 0 | 0 |
| Jul 27, 1972 | F1 | 3.6 mi | 50 yd | 1 | 0 |
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| May 19, 2025 | EF1 | 4.6 mi | 50 yd | 0 | 0 |
| May 6, 2024 | EF0 | 1 mi | 100 yd | 0 | 0 |
| Apr 26, 2024 | EF0 | 0.2 mi | 50 yd | 0 | 0 |
| Jun 26, 2018 | EF1 | 2.5 mi | 200 yd | 0 | 0 |
| May 24, 2015 | EF1 | 5 mi | 200 yd | 0 | 0 |
| May 20, 2013 | EF0 | 0.5 mi | 200 yd | 0 | 0 |
| Jan 29, 2013 | EF1 | 8.6 mi | 400 yd | 0 | 0 |
| May 11, 2011 | EF0 | 2.7 mi | 50 yd | 0 | 0 |
| Jun 2, 2008 | EF0 | 10.6 mi | 300 yd | 1 | 0 |
| Jan 7, 2008 | EF0 | 0.1 mi | 20 yd | 0 | 0 |
| Mar 12, 2006 | F2 | 38 mi | 300 yd | 7 | 1 |
| May 26, 2004 | F2 | 12 mi | 200 yd | 1 | 0 |
Deadliest: Mar 15, 1982, F3, 2 killed.
25 tornadoes touched St. Clair County, Missouri between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.
The strongest rating recorded was F3 on Mar 15, 1982, with a 70-mile path and 2 deaths.
Most of its tornadoes happened in May (11 of 25). 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).