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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Hennessey, 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 Hennessey, Oklahoma since 1851, 0 of them at hurricane strength; the most recent was Erin in 2007. Since 1950, 161 tornadoes have touched down within 25 miles, 14 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
2

below hurricane strength

Tornadoes
161

within 25 mi, since 1950

EF3 or stronger
14

4 deaths in all

What the records show for Hennessey

None of the 2 tropical systems was at hurricane strength as it passed Hennessey; the strongest was Erin in 2007, a tropical storm with 43 mph winds when its centre passed 35 miles away. The record near Hennessey 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 Hennessey. The highest rating among the 161 tornadoes within 25 miles is F4, reached 3 times; the most recent, on May 3, 1999, came within 6 miles. The deadliest, an F4 on May 3, 1999, killed 2 people. Of the 161, 13 had paths within 5 miles of the city centre, and 46 have come since 2000. May has had the most tornadoes, 80. The most recent tornado was on July 12, 2025. Hennessey has more tornadoes within 25 miles than 50% of the 216 Oklahoma cities. Hail has been reported within 10 miles 115 times since 1955, with stones up to 3 inches (tea cup size). Of the 216 Oklahoma cities, 78% have more hail reports within 10 miles than Hennessey.

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Tropical storms and hurricanes near Hennessey

Tropical systems that passed within 75 miles of Hennessey, Oklahoma, newest first
YearStormClosestStrength when closestPeak
2007ErinAug 1935 miTropical storm (43 mph)Tropical storm
1900Unnamed 1900 stormSep 1017 miTropical storm (40 mph)Category 4

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Hennessey: 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 Hennessey

By decade

  • 2020s10
  • 2010s21
  • 2000s15
  • 1990s43(6 EF3+)
  • 1980s14(1 EF3+)
  • 1970s13(3 EF3+)
  • 1960s25(1 EF3+)
  • 1950s20(3 EF3+)
Strongest tornadoes near Hennessey, Oklahoma
DateRatingDistancePathKilled / injured
May 3, 1999F419 mi35 mi2 / 26
May 3, 1999F46 mi15 mi1 / 11
May 2, 1979F418 mi20.6 mi1 / 25
May 3, 1999F320 mi13 mi0 / 13
May 3, 1999F323 mi22 mi0 / 0
May 3, 1999F318 mi21 mi0 / 4
Apr 26, 1991F321 mi6 mi0 / 0
May 13, 1983F313 mi8.8 mi0 / 0
May 2, 1979F310 mi8.4 mi0 / 0
Apr 26, 1970F318 mi1 mi0 / 0
Jun 10, 1967F38 mi16.7 mi0 / 1
Nov 17, 1958F319 mi39.2 mi0 / 0

The strongest 12 of 161, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Hennessey

The Storm Prediction Center has 115 hail reports within 10 miles of Hennessey since 1955, made on 81 separate days. Of these, 68 were 1 inch across or larger, and 11 reached 2 inches. The largest, 3 inches (tea cup size), fell on June 23, 1969. The most recent report is from May 25, 2024. May has the most reports, 45.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Hennessey

The nearest NOAA station with 1991–2020 climate normals is Hennessey 4 ESE, OK, 3 miles east of Hennessey at 1,174 feet. July is the warmest, with an average high of 95°F and low of 70°F; January is the coolest, at 47°F and 24°F. May is the wettest at 5.0 inches of precipitation on average and January the driest at 1.3 inches; the year adds up to 33.4 inches over 51 days with at least a tenth of an inch. Highs reach 90°F on about 80 days a year, almost all from May to October. Lows fall below freezing on about 94 nights a year. Snowfall averages 9.1 inches a year, most of it in January. That 33.4 inches is more than at 22 of the 82 Oklahoma stations used on this site (27%). Crescent, 17 miles southeast, has its own station (Guthrie Municipal Airport, OK): 30.6 inches a year, 2.8 less than here, and a July average high of 94°F against 95°F.

Monthly climate normals 1991–2020 at Hennessey 4 ESE, OK
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow in
Jan47241.323.1
Feb51271.431.6
Mar61352.541.2
Apr70443.550.0
May79555.070.0
Jun90654.560.0
Jul95703.040.0
Aug94683.550.0
Sep85602.340.0
Oct73472.950.0
Nov59351.830.4
Dec48261.732.8
Year714633.4519.1

Averages for 1991–2020 at Hennessey 4 ESE, OK (1,174 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.

Oklahoma weather by month, station by station →

Floods, thunderstorm wind and lightning near Hennessey

Since 1996, the National Weather Service has logged 52 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Hennessey: 46 thunderstorm wind reports, 2 flash floods, 2 floods and 2 heavy rain events. None is recorded as killing or injuring anyone; the NWS estimated $464,000 in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on September 21, 1998.

  • June 16, 2005: thunderstorm wind 1 mile from the centre of Hennessey — $250,000 damage.

    NWS: “In Hennessey, a gas station awning was blown down onto the gas pumps. Two power poles were snapped.”

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

Kingfisher County, which includes Hennessey, has been named in 35 federal disaster or emergency declarations since 1973, 27 of them major disasters (by incident: 14 severe storms, 9 ice storms, 5 floods, 2 biological emergencies). The latest major disaster declaration was Severe Winter Storms, on February 24, 2021. FEMA's National Risk Index gives Kingfisher County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for tornadoes, hail and strong wind; Relatively Low for inland flooding and heat waves; Very Low for hurricanes and lightning. It models the county's expected loss from all 18 hazards it covers at $17.7 million a year, the 37th highest of 77 Oklahoma counties; of the hazards above, the largest share, $4.6 million (26%), 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 Hennessey

All Oklahoma cities →All hurricanes since 1851 →Compare Hennessey with another place →

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