Hail history · South Dakota
Mellette County, South Dakota hail history
27 days with hail reports since 2010, most recently Jun 29, 2026. Largest hail: 4.50".
Hail days since 2010279 in the last 5 years
Largest hail4.50"grapefruit · Aug 26, 2020
Damaging wind reports56last Aug 24, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 2 | 2 | 1.50" | 10 | 96 mph |
| 2025 | 1 | 1 | 1.75" | 7 | 64 mph |
| 2024 | 1 | 2 | 1.50" | 9 | 70 mph |
| 2023 | 4 | 4 | 1.25" | 3 | 64 mph |
| 2022 | 1 | 4 | 1.50" | 4 | 61 mph |
| 2021 | 4 | 5 | 1.50" | 4 | 70 mph |
| 2020 | 3 | 8 | 4.50" | 4 | 70 mph |
| 2019 | 5 | 10 | 2.00" | 2 | 70 mph |
| 2018 | 3 | 3 | 1.25" | 7 | 70 mph |
| 2017 | 2 | 2 | 1.25" | 2 | 70 mph |
| 2016 | 1 | 1 | 1.00" | 4 | 60 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 |
|---|---|---|
| 4.50" | grapefruit | Aug 26, 2020 |
| 2.50" | tennis ball | Aug 26, 2020 |
| 2.00" | hen egg | Aug 17, 2019 |
| 1.75" | golf ball | Aug 9, 2019 |
| 1.75" | golf ball | Jul 1, 2025 |
| 1.50" | ping pong ball | Aug 26, 2020 |
| 1.50" | ping pong ball | Jul 8, 2021 |
| 1.50" | ping pong ball | Jun 24, 2022 |
| 1.50" | ping pong ball | Jul 29, 2024 |
| 1.50" | ping pong ball | Jun 2, 2026 |
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