
Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >
| SPC ID # |
Date | Time (CST) |
Path Length (miles) |
Path Width (yards) |
F-Scale | Killed | Injured | County | Path |
|---|---|---|---|---|---|---|---|---|---|
| 04/30/1898 | 2230 | 3 | 1320 | 1 | 19 | Stephens | Near Duncan | ||
| 05/28/1908 | Aft | 167 | Stephens | Near Duncan and "Nellie" (10 NW Duncan) | |||||
| 53-38 | 06/19/1953 | 1720 | 0.3 | 50 | F1 | 0 | 1 | Stephens | S of Duncan (Meridian school community) |
| 55-4 | 04/11/1955 | 2130 | 15 | n/a | F0 | 0 | 0 | Stephens | Near Duncan |
| 55-7 | 04/22/1955 | 1900 | n/a | n/a | F1 | 0 | 2 | Stephens | Near Duncan |
| 57-27 | 04/20/1957 | 1830 | n/a | n/a | F1 | 0 | 1 | Stephens | 6 W Duncan |
| 57-80 | 05/24/1957 | 2225 | 3 | n/a | F2 | 0 | 0 | Stephens | 1.5 SW Duncan - Duncan |
| 60-71 | 05/19/1960 | 1650 | n/a | n/a | F? | 0 | 0 | Stephens | 2 E Duncan |
| 60-86 | 05/23/1960 | 2100 | n/a | n/a | F? | 0 | 0 | Stephens | 6 W Duncan |
| 61-55 | 05/13/1961 | 1915 | n/a | n/a | F1 | 0 | 0 | Stephens | Duncan |
| 62-9 | 05/20/1962 | 2311 | n/a | n/a | F? | 0 | 0 | Stephens | 7 N Duncan |
| 62-64 | 07/28/1962 | 1220 | 1.0 | 50 | F2 | 0 | 1 | Stephens | S part of Duncan |
| 63-3 | 03/30/1963 | 1630 | 2 | 50 | F? | 0 | 0 | Stephens | 3 NE Duncan |
| 66-1 | 02/08/1966 | 1720 | 11 | 67 | F2 | 0 | 2 | Stephens | Duncan - 2 SE Marlow |
| 70-17 | 06/11/1970 | 1445 | 10 | 167 | F1 | 0 | 2 | Stephens | S edge of Duncan |
| 70-39 | 09/07/1970 | 2030 | 0.2 | 200 | F2 | 0 | 0 | Stephens | Duncan |
| 75-5 | 02/22/1975 | 0215 | 5 | 70 | F2 | 0 | 2 | Stephens | 3 SW Duncan - Duncan Airport |
| 75-6 | 02/22/1975 | 0215 | 6 | 70 | F2 | 0 | 4 | Stephens | 3 W Duncan - W part of Duncan |
| 77-18 | 05/05/1977 | 1930 | 0.5 | 50 | F1 | 0 | 0 | Stephens | NE part of Duncan |
| 83-74 | 06/27/1983 | 2200 | 0.1 | 10 | F0 | 0 | 0 | Stephens | 2 W Duncan |
| 91-20 | 04/02/1991 | 1729 | 0.1 | 30 | F0 | 0 | 0 | Stephens | 2 W Duncan |
| 93-37 | 05/08/1993 | 1619 | 8 | 60 | F0 | 0 | 0 | Stephens | 8 SW- 4 WNW Duncan |
| 05/25/1997 | 1736 | 0.5 | 50 | F1 | 0 | 0 | Stephens | 3 S Duncan | |
| 05/08/2003 | 0008 | 3 | 200 | F1 | 0 | 0 | Stephens | 7 SE - 6 E Duncan | |
| 03/30/2006 | 1418 | 0.5 | 50 | F0 | 0 | 0 | Stephens | 6 ESE Duncan | |
| 05/18/2017 | 1800 | 0.2 | 50 | EF0 | 0 | 0 | Stephens | 3 W Duncan |
Records taken from the Storm Prediction Center archive data, "Storm Data", and data from the National Weather Service office in Norman. Data modified as described in NOAA Tech Memo NWS SR-209 (Speheger, D., 2001: "Corrections to the Historic Tornado Database").
Historic data, especially before 1950, are likely incomplete.