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| Tornadoes by Month | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
| 0 | 1 | 0 | 8 | 11 | 13 | 1 | 0 | 2 | 0 | 0 | 0 | 36 |
| Tornadoes by Intensity | |||||||
|---|---|---|---|---|---|---|---|
| F? | F0 | F1 | F2 | F3 | F4 | F5 | Total |
| 0 | 16 | 10 | 7 | 2 | 1 | 0 | 36 |
| Tornado Number |
Date | Time (CST) |
Length of Path (miles) |
Width of Path (yards) |
F-Scale | Killed | Injured | County | Location |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 02/08/1966 | 1720 | 11 | 67 | F2 | 0 | 2 | Stephens | Duncan - 2 SE Marlow |
| 2 | 04/11/1966 | 1840 | 7 | 100 | F3 | 0 | 6 | Wagoner | 2 NW Stonebluff - 2 W Coweta |
| 3 | 04/11/1966 | 2000 | 7 | 20 | F2 | 0 | 0 | Cherokee | Near- 6 E Fort Gibson Dam |
| 4 | 04/11/1966 | 2145 | 0.1 | 10 | F1 | 0 | 0 | Blaine | Canton |
| 5 | 04/17/1966 | 1540 | 7 | 100 | F1 | 0 | 0 | Ellis | 6 NW- 8 N Shattuck |
| 6 | 04/17/1966 | 1640 | 1 | 10 | F0 | 0 | 0 | Ellis | Lake Vincent (9 WSW Arnett) |
| 7 | 04/27/1966 | 1815 | 4 | 150 | F2 | 0 | 1 | Hughes | Calvin |
| 8 | 04/27/1966 | 1900 | 10 | 300 | F4 | 0 | 2 | Johnston/ Atoka | 4 NW Fillmore- 3 E Coleman |
| 9 | 04/27/1966 | 1905 | 8 | 400 | F3 | 0 | 0 | Pittsburg | E of Ashland - Near Haywood |
| 10 | 05/11/1966 | 1830 | 2 | 100 | F2 | 0 | 1 | Tulsa | NE Tulsa |
| 11 | 05/11/1966 | 1930 | 1 | 1200 | F1 | 0 | 0 | Delaware | 3 SE Grove |
| 12 | 05/11/1966 | 1930 | 8 | 50 | F2 | 0 | 2 | Rogers | 10 W- 2 NW Inola |
| 13 | 05/15/1966 | 2050 | 0.1 | 10 | F1 | 0 | 0 | Creek | Between Oilton and Drumright |
| 14 | 05/15/1966 | 2155 | 0.1 | 10 | F0 | 0 | 0 | Lincoln | Just N of Stroud |
| 15 | 05/16/1966 | 2030 | 0.1 | 10 | F0 | 0 | 0 | Grant | Near Wakita |
| 16 | 05/16/1966 | 2153 | 0.1 | 10 | F0 | 0 | 0 | Kay | Tonkawa |
| 17 | 05/17/1966 | 2007 | 0.1 | 10 | F0 | 0 | 0 | Creek | Near Drumright |
| 18 | 05/17/1966 | 2023 | 0.1 | 10 | F0 | 0 | 0 | Creek | 3 NE Drumright |
| 19 | 05/17/1966 | 2215 | 0.4 | 17 | F0 | 0 | 0 | Cleveland | Norman (near Berry and Dorchester) |
| 20 | 05/17/1966 | 2245 | 0.1 | 10 | F0 | 0 | 0 | Okfuskee | 3 N Okfuskee |
| 21 | 06/05/1966 | 1700 | 0.1 | 10 | F0 | 0 | 0 | Blaine | West of Watonga |
| 22 | 06/05/1966 | 1750 | 3 | 100 | F2 | 0 | 1 | Kay | 6 WNW- 4 W Blackwell |
| 23 | 06/05/1966 | 1830 | 4 | 10 | F0 | 0 | 0 | Garfield | 4 N- 6 NE Enid |
| 24 | 06/05/1966 | 1830 | 1.4 | 150 | F1 | 0 | 0 | Grant | 4 WSW Lamont |
| 25 | 06/05/1966 | 1835 | 0.1 | 10 | F2 | 0 | 6 | Garfield | North part of Enid |
| 26 | 06/05/1966 | 1855 | 4 | 67 | F0 | 0 | 0 | Garfield | South part of Drummond |
| 27 | 06/05/1966 | 1900 | 6 | 10 | F1 | 0 | 0 | Garfield | SW part of Enid- 4 S Enid |
| 28 | 06/07/1966 | 1800 | 0.1 | 10 | F0 | 0 | 0 | Ellis | 5 S Arnett |
| 29 | 06/08/1966 | 1730 | 0.5 | 10 | F1 | 0 | 0 | Caddo | W part of Hinton |
| 30 | 06/08/1966 | 1800 | 0.1 | 10 | F0 | 0 | 0 | Washita | Just East of Cowden |
| 31 | 06/08/1966 | 1920 | 0.1 | 10 | F0 | 0 | 0 | Caddo | 4 SE Gracemont |
| 32 | 06/15/1966 | 1800 | 0.2 | 10 | F1 | 0 | 0 | Noble | 5 SW Marland |
| 33 | 06/30/1966 | 1615 | 0.2 | 33 | F1 | 0 | 0 | Adair | NW of Stilwell |
| 34 | 07/23/1966 | 0534 | 0.1 | 10 | F0 | 0 | 0 | Cleveland | near Noble |
| 35 | 09/04/1966 | 1145 | 4 | 100 | F1 | 0 | 0 | Grant | 4 E- 1.5 SE Lamont |
| 36 | 09/04/1966 | 1245 | 0.1 | 10 | F0 | 0 | 0 | Garfield | 5 SW Billings - near Garber |