Tornado record · Original Fujita scale
F0 tornado, Knox County, Illinois, June 20, 1974
RatingF0
Deaths0
Injuries0
Length0.1 mi
Width10 yd
Path
Drawn as a straight line from the recorded start point (40.73, -90.40) to the end point (40.73, -90.40), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- June 20, 1974, 8:20 PM (as recorded, Central Standard Time)
- Rating
- F0
- States
- Illinois
- Counties
- Knox County
- Path
- 0.1 miles long, up to 10 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on June 20, 1974
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jun 20, 1974 | F3 | Iowa | 10.6 mi | 200 yd | 1 | 20 |
| Jun 20, 1974 | F3 | Indiana | 4.5 mi | 150 yd | 0 | 5 |
| Jun 20, 1974 | F2 | Michigan | 5.7 mi | 20 yd | 0 | 0 |
| Jun 20, 1974 | F2 | Michigan | 0.8 mi | 100 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Wyoming | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Wyoming | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Wisconsin | 0.5 mi | 50 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Michigan | 2 mi | 30 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F1 | Indiana | 0.5 mi | 27 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Mississippi | 0.7 mi | 100 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | South Dakota | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 1.5 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Jun 20, 1974 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.