Hail history for Hennessey, Oklahoma
NOAA hail reports in and within about 5 km (3 miles) of Hennessey since 1955, with preliminary reports to November 3, 2026.
Readout · Hennessey
- Last hail
- Mar 10, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 4
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.75 in
- baseball · Apr 21, 1999
45 reports on 39 days since 1955 · #112 of 584 Oklahoma places
Hail map · Hennessey
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Hennessey
The latest hail report in and around Hennessey is from March 10, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.00 in on March 10, 2026.
Over the 20 years 2006–2025, Hennessey logged 6 reports on 6 hail days, about 0.3 reports a year. That is 33% less than the median Oklahoma town on this site (0.5 a year) and ranks #112 of 584 Oklahoma cities and towns on this site for all-time reports. Hennessey accounts for 11% of the 400 reports filed in Kingfisher County.
9% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Oklahoma town on this site. The largest hail on record here is 2.75 in (baseball) on April 21, 1999 near Hennessey.
The busiest year was 1999, with 5 reports on 2 days. Hail here peaks in May (33% of reports); 82% fall between April and June.
Reports a year 2006–2025 average
- Hennessey 0.3
- Kingfisher County 5.3
- Median Oklahoma town on this site 0.5
Hail days 2006–2025
- Hennessey 6
- Kingfisher County 55
- Median Oklahoma town on this site 8
Share 2 in or larger of sized reports
- Hennessey 9%
- Kingfisher County 14%
- Median Oklahoma town on this site 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 10, 2026 | 1 | 1.00 in | — |
| May 25, 2024 | 1 | 1.00 in | — |
| Apr 1, 2024 | 1 | 1.00 in | — |
| May 4, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 21, 1999 | 2.75 inbaseball | Hennessey | Kingfisher | $1.0 million | 21:20 local · NCEI |
| May 1, 1964 | 2.25 inhen egg | — | Kingfisher | — | 16:45 local · NCEI |
| Jun 6, 1975 | 2.00 inhen egg | — | Kingfisher | — | 22:00 local · NCEI |
| May 23, 1974 | 2.00 inhen egg | — | Kingfisher | — | 17:30 local · NCEI |
| May 18, 2017 | 1.75 ingolf ball | 2.17 SE Hennessey | Kingfisher | — | 17:33 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 19 42%
- 1–2 in 22 49%
- 2 in + 4 9%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 10, 2026 | 1.00 inquarter | 0.36 SSW Hennessey | Kingfisher | 17:56 local · NCEI |
| May 25, 2024 | 1.00 inquarter | 2.6 NNE Hennessey | Kingfisher | 18:48 local · NCEI |
| Apr 1, 2024 | 1.00 inquarter | 0.22 SSE Hennessey | Kingfisher | 12:55 local · NCEI |
| May 4, 2022 | 1.00 inquarter | Hennessey | Kingfisher | 14:00 local · NCEI |
| May 18, 2017 | 1.75 ingolf ball | 2.17 SE Hennessey | Kingfisher | 17:33 local · NCEI |
| Mar 10, 2010 | 0.88 innickel | Hennessey | Kingfisher | 14:30 local · NCEI |
| Jun 16, 2008 | 0.75 inpenny | Hennessey | Kingfisher | 17:45 local · NCEI |
| Jun 16, 2005 | 0.88 innickel | Hennessey | Kingfisher | 21:05 local · NCEI |
| May 13, 2005 | 1.00 inquarter | Hennessey | Kingfisher | 18:45 local · NCEI |
| Apr 21, 2004 | 0.88 innickel | 2 E Stratford | Garvin | 17:20 local · NCEI |
| Sep 7, 2001 | 0.75 inpenny | Hennessey | Kingfisher | 16:15 local · NCEI |
| May 27, 2001 | 0.75 inpenny | Lone Wolf | Kiowa | 21:20 local · NCEI |
Hail history near Hennessey
Questions about hail in Hennessey
How often does it hail in Hennessey, Oklahoma?
45 hail reports have been logged in and within about 5 km (3 miles) of Hennessey since 1955. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #112 of 584 Oklahoma places by number of reports.
When is hail season in Hennessey?
Most reports come in May, April, June. May alone accounts for 33% of all reports.
What is the largest hail recorded in Hennessey?
2.75 in (baseball size) on April 21, 1999 near Hennessey. 9% of reports here were 2 inches or larger.
When did it last hail in Hennessey?
The most recent report in this data is from March 10, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Hennessey had in the last five years?
4 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was March 10, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.