Hail history for Hammon, Oklahoma
NOAA hail reports in and within about 5 km (3 miles) of Hammon since 1977, with preliminary reports to November 3, 2026.
Readout · Hammon
- Last hail
- Mar 5, 2026
- 1.25 in, half dollar size
- Hail days, last 5 years
- 9
- since Nov 3, 2021 · 12 reports
- Largest ever
- 4.00 in
- grapefruit · Jun 6, 2025
40 reports on 32 days since 1977 · #139 of 584 Oklahoma places
Hail map · Hammon
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Hammon is from March 5, 2026. A local roofer can check and document it at no cost.
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What the record says about Hammon
The latest hail report in and around Hammon is from March 5, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 9 separate hail days; the biggest stones in that time were 4.00 in on June 6, 2025.
Over the 20 years 2006–2025, Hammon logged 24 reports on 18 hail days, about 1.2 reports a year. That is 2.7 times the median Oklahoma town on this site (0.5 a year) and ranks #139 of 584 Oklahoma cities and towns on this site for all-time reports. Hammon accounts for 9% of the 447 reports filed in Roger Mills County.
13% 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 4.00 in (grapefruit) on June 6, 2025 near Hammon.
Reports were up 18% in 2016–2025 (13) compared with 2006–2015 (11). The busiest year was 2025, with 6 reports on 3 days. Hail here peaks in May (43% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Hammon 1.2
- Roger Mills County 8.1
- Median Oklahoma town on this site 0.5
Hail days 2006–2025
- Hammon 18
- Roger Mills County 80
- Median Oklahoma town on this site 8
Share 2 in or larger of sized reports
- Hammon 13%
- Roger Mills County 11%
- 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 | 1 | 4 | 1 | 6 | |||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 1 | 1 | 2 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 5, 2026 | 1 | 1.25 in | — |
| Jun 6, 2025 | 1 | 4.00 in | — |
| May 26, 2025 | 4 | 2.75 in | — |
| Apr 24, 2025 | 1 | 1.00 in | — |
| May 19, 2024 | 1 | 0.75 in | — |
| May 4, 2024 | 1 | 0.75 in | — |
| Jul 7, 2023 | 1 | 0.75 in | — |
| Oct 15, 2022 | 1 | 1.00 in | — |
| May 31, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 6, 2025 | 4.00 ingrapefruit | Hammon | Roger Mills | 21:33 local · NCEI |
| Apr 8, 2015 | 3.00 inteacup | 2.07 N Hammon | Roger Mills | 19:40 local · NCEI |
| May 26, 2025 | 2.75 inbaseball | 7.6 S Moorewood | Custer | 20:41 local · NCEI |
| May 26, 2025 | 2.75 inbaseball | Hammon | Roger Mills | 20:33 local · NCEI |
| May 26, 2025 | 2.75 inbaseball | 6.07 S Moorewood | Custer | 20:32 local · NCEI |
Size of every report
- Under 1 in 17 43%
- 1–2 in 18 45%
- 2 in + 5 13%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 5, 2026 | 1.25 inhalf dollar | Hammon | Roger Mills | 21:15 local · NCEI |
| Jun 6, 2025 | 4.00 ingrapefruit | Hammon | Roger Mills | 21:33 local · NCEI |
| May 26, 2025 | 2.75 inbaseball | 7.6 S Moorewood | Custer | 20:41 local · NCEI |
| May 26, 2025 | 2.75 inbaseball | Hammon | Roger Mills | 20:33 local · NCEI |
| May 26, 2025 | 2.75 inbaseball | 6.07 S Moorewood | Custer | 20:32 local · NCEI |
| May 26, 2025 | 1.75 ingolf ball | 2 N Hammon | Roger Mills | 20:29 local · NCEI |
| Apr 24, 2025 | 1.00 inquarter | 3 W Hammon | Roger Mills | 22:27 local · NCEI |
| May 19, 2024 | 0.75 inpenny | 3.73 N Hammon | Roger Mills | 17:29 local · NCEI |
| May 4, 2024 | 0.75 inpenny | 0.66 SSE Hammon | Roger Mills | 22:37 local · NCEI |
| Jul 7, 2023 | 0.75 inpenny | 1.04 N Hammon | Roger Mills | 04:53 local · NCEI |
| Oct 15, 2022 | 1.00 inquarter | 0.69 S Hammon | Roger Mills | 18:49 local · NCEI |
| May 31, 2022 | 1.00 inquarter | 0.56 W Hammon | Roger Mills | 15:56 local · NCEI |
Hail history near Hammon
- Butler 18 km · 17
- Strong City 20 km · 20
- Canute 25 km · 29
- Elk City 27 km · 99
- Cheyenne 27 km · 50
- Leedey 27 km · 23
- Foss 28 km · 18
- Burns Flat 36 km · 31
Questions about hail in Hammon
How often does it hail in Hammon, Oklahoma?
40 hail reports have been logged in and within about 5 km (3 miles) of Hammon since 1977. Over the 20 years 2006–2025 that averages 1.2 reports a year. That ranks #139 of 584 Oklahoma places by number of reports.
When is hail season in Hammon?
Most reports come in May, April, June. May alone accounts for 43% of all reports.
What is the largest hail recorded in Hammon?
4.00 in (grapefruit size) on June 6, 2025 near Hammon. 13% of reports here were 2 inches or larger.
When did it last hail in Hammon?
The most recent report in this data is from March 5, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Hammon had in the last five years?
9 separate days with hail reports since November 3, 2021, adding up to 12 reports. The most recent was March 5, 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.