NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Chickasha, 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
3 tropical systems have passed within 75 miles of Chickasha, Oklahoma since 1851, 0 of them at hurricane strength; the most recent was Erin in 2007. Since 1950, 194 tornadoes have touched down within 25 miles, 19 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 3
- Tornadoes
- 194
- EF3 or stronger
- 19
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
71 deaths in all
What the records show for Chickasha
None of the 3 tropical systems was at hurricane strength as it passed Chickasha; the strongest was an unnamed storm in 1900, a tropical storm with 45 mph winds when its centre passed 11 miles away. The record near Chickasha begins with an unnamed storm in 1900; the most recent system was Erin in 2007, a tropical storm 39 miles away. Chickasha has more tropical storms and hurricanes within 75 miles than 64% of the 216 Oklahoma cities on this site. The highest rating among the 194 tornadoes within 25 miles is F5 or EF5, reached 2 times; the most recent, on May 20, 2013, came within 25 miles. The deadliest, an F5 on May 3, 1999, killed 36 people. Of the 194, 15 had paths within 5 miles of the city centre, and 86 have come since 2000. May has had the most tornadoes, 86. The most recent tornado was on June 6, 2025. Chickasha has more tornadoes within 25 miles than 73% of the 216 Oklahoma cities. Hail has been reported within 10 miles 245 times since 1956, with stones up to 3.75 inches. Chickasha has more hail reports within 10 miles than 79% of the 216 Oklahoma cities.
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Tropical storms and hurricanes near Chickasha
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2007 | ErinAug 19 | 39 mi | Tropical storm (44 mph) | Tropical storm |
| 1961 | CarlaSep 13 | 74 mi | Tropical storm (40 mph) | Category 4 |
| 1900 | Unnamed 1900 stormSep 10 | 11 mi | Tropical storm (45 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Chickasha: 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 Chickasha
By decade
- 2020s36(1 EF3+)
- 2010s35(4 EF3+)
- 2000s15
- 1990s31(3 EF3+)
- 1980s8
- 1970s16(4 EF3+)
- 1960s30(5 EF3+)
- 1950s23(2 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 3, 1999 | F5 | 8 mi | 37 mi | 36 / 583 |
| May 20, 2013 | EF5 | 25 mi | 13.85 mi | 24 / 212 |
| May 24, 1973 | F4 | 21 mi | 13.3 mi | 2 / 4 |
| May 24, 2011 | EF4 | 1 mi | 33.3 mi | 1 / 48 |
| May 24, 2011 | EF4 | 16 mi | 23.1 mi | 0 / 61 |
| Apr 17, 1976 | F4 | 23 mi | 32.9 mi | 0 / 6 |
| Nov 19, 1973 | F3 | 18 mi | 24.2 mi | 5 / 36 |
| Apr 19, 2023 | EF3 | 18 mi | 10.9 mi | 1 / 2 |
| Mar 13, 1953 | F3 | 18 mi | 1 mi | 1 / 8 |
| May 6, 2015 | EF3 | 12 mi | 10.3 mi | 0 / 0 |
| May 3, 1999 | F3 | 3 mi | 9 mi | 0 / 4 |
| May 3, 1999 | F3 | 21 mi | 6 mi | 0 / 3 |
The strongest 12 of 194, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Chickasha
The Storm Prediction Center has 245 hail reports within 10 miles of Chickasha since 1956, made on 145 separate days. Of these, 154 were 1 inch across or larger, and 23 reached 2 inches. The largest, 3.75 inches, fell on April 28, 2020. The most recent report is from November 19, 2025. April has the most reports, 87.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Chickasha
The nearest NOAA station with 1991–2020 climate normals is Chickasha Exp Station, OK, 2 miles east of Chickasha at 1,085 feet. July is the warmest, with an average high of 97°F and low of 71°F; January is the coolest, at 54°F and 27°F. May is the wettest at 5.0 inches of precipitation on average and January the driest at 1.4 inches; the year adds up to 36.7 inches over 54 days with at least a tenth of an inch. Highs reach 90°F on about 94 days a year, almost all from April to October. Lows fall below freezing on about 79 nights a year. Snowfall averages 4.7 inches a year, most of it in December. That 36.7 inches is more than at 34 of the 82 Oklahoma stations used on this site (41%). Anadarko, 17 miles west, has its own station (Anadarko 3 E, OK): 31.8 inches a year, 4.9 less than here, and a July average high of 93°F against 97°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 54 | 27 | 1.4 | 3 | 1.5 |
| Feb | 58 | 30 | 1.6 | 3 | 0.3 |
| Mar | 67 | 39 | 2.6 | 4 | 0.5 |
| Apr | 76 | 48 | 4.1 | 5 | 0.0 |
| May | 84 | 59 | 5.0 | 7 | 0.0 |
| Jun | 91 | 67 | 4.4 | 6 | 0.0 |
| Jul | 97 | 71 | 2.9 | 4 | 0.0 |
| Aug | 95 | 70 | 3.5 | 4 | 0.0 |
| Sep | 88 | 62 | 3.7 | 5 | 0.0 |
| Oct | 77 | 50 | 3.3 | 5 | 0.1 |
| Nov | 65 | 38 | 2.2 | 4 | 0.6 |
| Dec | 54 | 30 | 2.0 | 3 | 1.7 |
| Year | 75 | 49 | 36.7 | 54 | 4.7 |
Averages for 1991–2020 at Chickasha Exp Station, OK (1,085 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 Chickasha
Since 1996, the National Weather Service has logged 126 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Chickasha: 112 thunderstorm wind reports, 11 flash floods, 2 floods and 1 heavy rain event. None is recorded as killing or injuring anyone; the NWS estimated $1.8 million in property and crop damage. The strongest thunderstorm gust on record here was 82 mph, on October 10, 2021. May has had the most flash floods, 4 of 11. Of the 216 Oklahoma cities on this site with a flash flood on record, 76 have had fewer than Chickasha.
August 19, 2007: flash flood 1 mile from the centre of Chickasha — $1.0 million damage.
NWS: “The Chickasha PD received major damage due to flooding, including the phone system, the communication system, data system, and the heating and air conditioning systems. Several businesses sustained damage.”
March 30, 1998: thunderstorm wind in Chickasha — $150,000 damage.
NWS: “Severe thunderstorm winds blew out numerous windows, downed large trees, and destroyed several signs and awnings in the downtown business district. Utility poles were downed, damaging and cutting the power to the city's water treatment facility.”
July 29, 1996: thunderstorm wind 3 miles from the centre of Chickasha — $100,000 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
Flood insurance policyholders in Chickasha's ZIP code 73018 have filed 175 claims with the National Flood Insurance Program since 1978, and were paid $3.8 million for buildings and contents, in the dollars of each year. The most came from Flooding in 1986: 36 claims (21% of all) and $654,000. The year with the most claims was 2007, with 46. 26% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 92 Oklahoma cities on this site with 10 or more claims, 77 have fewer than Chickasha.
| Event | Claims | Paid |
|---|---|---|
| Flooding1986 | 36 | $654,000 |
Grady County, which includes Chickasha, has been named in 37 federal disaster or emergency declarations since 1983, 28 of them major disasters (by incident: 14 severe storms, 11 ice storms, 4 floods, 3 fires). The latest major disaster declaration was Severe Winter Storms, on February 24, 2021. FEMA's National Risk Index gives Grady County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for tornadoes; Relatively Moderate for hail and heat waves; Relatively Low for inland flooding, strong wind and lightning; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $34.0 million a year, the 15th highest of 77 Oklahoma counties; of the hazards above, the largest share, $10.0 million (29%), is from tornadoes.
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 Chickasha
- Anadarko, OK17 mi
- Blanchard, OK17 mi
- Rush Springs, OK17 mi
- Tuttle, OK19 mi
- Minco, OK19 mi
- Fletcher, OK21 mi
- Newcastle, OK24 mi
- Lindsay, OK24 mi
- Washington, OK26 mi
- Mustang, OK27 mi
- Apache, OK27 mi
- Elgin, OK28 mi
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