Hail history · Oklahoma
Harmon County, Oklahoma hail history
15 days with hail reports since 2010, most recently Aug 25, 2026. Largest hail: 3.20".
Hail days since 2010156 in the last 5 years
Largest hail3.20"teacup · Apr 3, 2019
Damaging wind reports51last Aug 25, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 2 | 2 | 3.00" | 6 | 75 mph |
| 2025 | 0 | 0 | – | 0 | – |
| 2024 | 2 | 8 | 2.75" | 2 | 74 mph |
| 2023 | 1 | 1 | 1.25" | 2 | 75 mph |
| 2022 | 1 | 1 | 1.75" | 8 | 99 mph |
| 2021 | 0 | 0 | – | 3 | 81 mph |
| 2020 | 1 | 1 | 3.00" | 7 | 67 mph |
| 2019 | 1 | 6 | 3.20" | 4 | 67 mph |
| 2018 | 2 | 2 | 1.00" | 10 | 81 mph |
| 2017 | 2 | 2 | 2.50" | 1 | 58 mph |
| 2016 | 3 | 4 | 2.75" | 8 | 81 mph |
| 2015 | 0 | 0 | – | 0 | – |
| 2014 | 0 | 0 | – | 0 | – |
| 2013 | 0 | 0 | – | 0 | – |
| 2012 | 0 | 0 | – | 0 | – |
| 2011 | 0 | 0 | – | 0 | – |
| 2010 | 0 | 0 | – | 0 | – |
Largest hail reports
| Size | About the size of a | Date |
|---|---|---|
| 3.20" | teacup | Apr 3, 2019 |
| 3.00" | teacup | May 7, 2020 |
| 3.00" | teacup | Aug 25, 2026 |
| 2.75" | baseball | May 13, 2016 |
| 2.75" | baseball | May 13, 2016 |
| 2.75" | baseball | May 23, 2024 |
| 2.54" | tennis ball | Apr 3, 2019 |
| 2.52" | tennis ball | May 23, 2024 |
| 2.50" | tennis ball | Jun 13, 2017 |
| 2.50" | tennis ball | May 23, 2024 |
Check a specific address
County totals hide big differences between neighborhoods. See every report within 1 to 10 miles of a home.
Source: NOAA Storm Prediction Center storm reports (final Storm Data through Dec 28, 2025; preliminary reports through Oct 9, 2026). Hail 1 inch or larger and damaging wind (58 mph or more, or reported damage). Counts are reports, not damage claims; many storms go unreported. Dates are CST. About the data