19 tornadoes touched Clay County, Illinois between 1950 and 2025 — about 0.3 a year. The strongest was rated F4 (Jun 2, 1990).
Peak month: May.
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Jun 2, 1990 | F4 | 23 mi | 300 yd | 2 | 0 |
| Dec 18, 1957 | F3 | 19.6 mi | 200 yd | 1 | 0 |
| Apr 15, 1998 | F2 | 16 mi | 130 yd | 0 | 0 |
| Apr 15, 1998 | F2 | 9.5 mi | 150 yd | 8 | 0 |
| May 26, 2024 | EF2 | 8.3 mi | 500 yd | 0 | 0 |
| Mar 8, 2009 | EF2 | 5.6 mi | 100 yd | 0 | 0 |
| Mar 6, 1961 | F1 | 24.6 mi | 10 yd | 0 | 0 |
| Apr 27, 2002 | F1 | 5 mi | 200 yd | 5 | 0 |
| May 6, 1960 | F1 | 1 mi | 100 yd | 0 | 0 |
| May 25, 2011 | EF1 | 1 mi | 75 yd | 0 | 0 |
| May 27, 2021 | EF0 | 2.8 mi | 50 yd | 0 | 0 |
| Apr 19, 1996 | F0 | 2 mi | 50 yd | 0 | 0 |
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| May 26, 2024 | EF2 | 8.3 mi | 500 yd | 0 | 0 |
| May 27, 2021 | unrated | 0.2 mi | 10 yd | 0 | 0 |
| May 27, 2021 | EF0 | 2.8 mi | 50 yd | 0 | 0 |
| May 23, 2019 | EF0 | 0.7 mi | 20 yd | 0 | 0 |
| May 25, 2011 | EF1 | 1 mi | 75 yd | 0 | 0 |
| Mar 8, 2009 | EF2 | 5.6 mi | 100 yd | 0 | 0 |
| May 30, 2004 | F0 | 0.2 mi | 50 yd | 0 | 0 |
| May 30, 2004 | F0 | 0.2 mi | 50 yd | 0 | 0 |
| May 8, 2003 | F0 | 0.1 mi | 10 yd | 0 | 0 |
| Apr 27, 2002 | F1 | 5 mi | 200 yd | 5 | 0 |
| Jun 14, 1998 | F0 | 0.1 mi | 30 yd | 0 | 0 |
| Apr 15, 1998 | F2 | 9.5 mi | 150 yd | 8 | 0 |
19 tornadoes touched Clay County, Illinois between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.
The strongest rating recorded was F4 on Jun 2, 1990, with a 23-mile path.
Most of its tornadoes happened in May (9 of 19). 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).