Tornado record · Original Fujita scale
F2 tornado, Grundy County, Illinois, May 20, 1975
RatingF2
Deaths0
Injuries1
Length2 mi
Width50 yd
Path
Drawn as a straight line from the recorded start point (41.20, -88.32) to the end point (41.20, -88.32), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 20, 1975, 3:50 PM (as recorded, Central Standard Time)
- Rating
- F2
- States
- Illinois
- Counties
- Grundy County
- Path
- 2 miles long, up to 50 yards wide
- Casualties
- 0 deaths, 1 injuries
Other tornadoes on May 20, 1975
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 20, 1975 | F2 | Michigan | 2.3 mi | 10 yd | 0 | 1 |
| May 20, 1975 | F2 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| May 20, 1975 | F1 | Arkansas | 6.1 mi | 800 yd | 0 | 0 |
| May 20, 1975 | F1 | Michigan | 0.5 mi | 10 yd | 0 | 0 |
| May 20, 1975 | F1 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
| May 20, 1975 | F0 | Texas | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.