NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Fort Sill, OK
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
2 tropical systems have passed within 75 miles of Fort Sill, Oklahoma since 1851, 0 of them at hurricane strength; the most recent was Erin in 2007. Since 1950, 130 tornadoes have touched down within 25 miles, 8 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 2
- Tornadoes
- 130
- EF3 or stronger
- 8
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
11 deaths in all
What the records show for Fort Sill
None of the 2 tropical systems was at hurricane strength as it passed Fort Sill; the strongest was Erin in 2007, a tropical storm with 51 mph winds when its centre passed 61 miles away. The record near Fort Sill begins with an unnamed storm in 1900; the most recent system was Erin in 2007. Of the 216 Oklahoma cities on this site, 36% have more tropical storms and hurricanes within 75 miles than Fort Sill. The highest rating among the 130 tornadoes within 25 miles is F4, reached 2 times; the most recent, on April 17, 1976, came within 13 miles. The deadliest, an F4 on May 24, 1957, killed 4 people. Of the 130, 7 had paths within 5 miles of the city centre, and 54 have come since 2000. May has had the most tornadoes, 58. The most recent tornado was on May 2, 2025. Of the 216 Oklahoma cities, 79% have more tornadoes within 25 miles than Fort Sill. Hail has been reported within 10 miles 381 times since 1957, with stones up to 4 inches (softball size). Fort Sill has more hail reports within 10 miles than 90% of the 216 Oklahoma cities.
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Tropical storms and hurricanes near Fort Sill
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2007 | ErinAug 19 | 61 mi | Tropical storm (51 mph) | Tropical storm |
| 1900 | Unnamed 1900 stormSep 10 | 38 mi | Tropical storm (46 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Fort Sill: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Fort Sill
By decade
- 2020s15
- 2010s33(1 EF3+)
- 2000s6
- 1990s16(1 EF3+)
- 1980s13
- 1970s11(2 EF3+)
- 1960s15(1 EF3+)
- 1950s21(3 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 24, 1957 | F4 | 10 mi | 21.6 mi | 4 / 5 |
| Apr 17, 1976 | F4 | 13 mi | 32.9 mi | 0 / 6 |
| Apr 10, 1979 | F3 | 8 mi | 4.5 mi | 3 / 100 |
| May 1, 1954 | F3 | 24 mi | 12.3 mi | 3 / 3 |
| May 16, 2015 | EF3 | 24 mi | 40.41 mi | 0 / 0 |
| May 3, 1999 | F3 | 15 mi | 6 mi | 0 / 3 |
| Apr 20, 1967 | F3 | 23 mi | 1 mi | 0 / 0 |
| Nov 17, 1958 | F3 | 25 mi | 65.8 mi | 0 / 4 |
| Apr 10, 1979 | F2 | 19 mi | 74.1 mi | 1 / 3 |
| May 18, 2019 | EF2 | 17 mi | 0.5 mi | 0 / 1 |
| Feb 14, 1987 | F2 | 3 mi | 3.5 mi | 0 / 1 |
| May 14, 1986 | F2 | 25 mi | 3 mi | 0 / 0 |
The strongest 12 of 130, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Fort Sill
The Storm Prediction Center has 381 hail reports within 10 miles of Fort Sill since 1957, made on 221 separate days. Of these, 256 were 1 inch across or larger, and 34 reached 2 inches. The largest size, 4 inches (softball size), was reported on 3 days, most recently June 15, 2023. The most recent report is from August 11, 2025. May has the most reports, 112.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Fort Sill
The nearest NOAA station with 1991–2020 climate normals is Lawton, OK, 6 miles south of Fort Sill at 1,150 feet. July is the warmest, with an average high of 96°F and low of 72°F; January is the coolest, at 51°F and 28°F. May is the wettest at 5.0 inches of precipitation on average and January the driest at 1.2 inches; the year adds up to 34.2 inches over 49 days with at least a tenth of an inch. Highs reach 90°F on about 83 days a year, almost all from May to October. Lows fall below freezing on about 70 nights a year. That 34.2 inches is more than at 25 of the 82 Oklahoma stations used on this site (30%). Apache, 14 miles north, has its own station (Anadarko 3 E, OK): 31.8 inches a year, 2.4 less than here, and a July average high of 93°F against 96°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 51 | 28 | 1.2 | 2 |
| Feb | 56 | 31 | 1.7 | 3 |
| Mar | 64 | 41 | 2.4 | 4 |
| Apr | 73 | 49 | 3.3 | 5 |
| May | 82 | 59 | 5.0 | 6 |
| Jun | 90 | 68 | 4.2 | 6 |
| Jul | 96 | 72 | 2.9 | 4 |
| Aug | 96 | 72 | 3.5 | 4 |
| Sep | 86 | 64 | 3.1 | 5 |
| Oct | 76 | 51 | 2.9 | 4 |
| Nov | 63 | 39 | 2.1 | 3 |
| Dec | 53 | 30 | 1.9 | 3 |
| Year | 74 | 50 | 34.2 | 49 |
Averages for 1991–2020 at Lawton, OK (1,150 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Fort Sill
Since 1996, the National Weather Service has logged 244 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Fort Sill: 179 thunderstorm wind reports, 53 flash floods, 11 floods and 1 heavy rain event. They killed 4 people and injured 1, and the NWS estimated $1.8 million in property and crop damage. The strongest thunderstorm gust on record here was 104 mph, on June 15, 2023. May has had the most flash floods, 17 of 53. Of the 216 Oklahoma cities on this site with a flash flood on record, 191 have had fewer than Fort Sill.
April 26, 2025: flash flood 5 miles from the centre of Fort Sill — 1 killed, $250,000 damage.
May 20, 2015: flash flood 5 miles from the centre of Fort Sill — 1 killed, $30,000 damage.
June 12, 2016: flash flood 5 miles from the centre of Fort Sill — 1 killed, $10,000 damage.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Comanche County, which includes Fort Sill, has been named in 36 federal disaster or emergency declarations since 1973, 25 of them major disasters (by incident: 15 severe storms, 8 ice storms, 5 fires, 4 floods). The latest major disaster declaration was Severe Storms, Straight-Line Winds, and Tornadoes, on July 19, 2023. FEMA's National Risk Index gives Comanche County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes and strong wind; Relatively Moderate for hail, inland flooding and lightning; Relatively Low for heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $50.8 million a year, the 6th highest of 77 Oklahoma counties; of the hazards above, the largest share, $19.7 million (39%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Fort Sill
- Lawton, OK6 mi
- Cache, OK11 mi
- Elgin, OK11 mi
- Apache, OK14 mi
- Fletcher, OK17 mi
- Walters, OK24 mi
- Anadarko, OK28 mi
- Carnegie, OK30 mi
- Marlow, OK31 mi
- Rush Springs, OK31 mi
- Duncan, OK32 mi
- Frederick, OK35 mi
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