Hail history · South Dakota
Dewey County, South Dakota hail history
34 days with hail reports since 2010, most recently Aug 24, 2026. Largest hail: 4.00".
Hail days since 20103415 in the last 5 years
Largest hail4.00"softball · Jul 5, 2022
Damaging wind reports90last Aug 30, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 2 | 3 | 1.75" | 8 | 76 mph |
| 2025 | 3 | 3 | 1.50" | 15 | 72 mph |
| 2024 | 2 | 3 | 1.00" | 9 | 81 mph |
| 2023 | 2 | 3 | 1.00" | 2 | 63 mph |
| 2022 | 6 | 11 | 4.00" | 9 | 84 mph |
| 2021 | 6 | 11 | 1.75" | 7 | 72 mph |
| 2020 | 1 | 7 | 2.00" | 7 | 94 mph |
| 2019 | 3 | 3 | 1.75" | 6 | 72 mph |
| 2018 | 6 | 10 | 2.25" | 13 | 90 mph |
| 2017 | 1 | 1 | 1.75" | 4 | 70 mph |
| 2016 | 2 | 11 | 2.50" | 10 | 71 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 |
|---|---|---|
| 4.00" | softball | Jul 5, 2022 |
| 4.00" | softball | Jul 5, 2022 |
| 2.50" | tennis ball | Jul 22, 2016 |
| 2.50" | tennis ball | Jul 22, 2016 |
| 2.50" | tennis ball | Jul 5, 2022 |
| 2.25" | hen egg | Jul 22, 2016 |
| 2.25" | hen egg | Jun 1, 2018 |
| 2.00" | hen egg | Aug 26, 2020 |
| 2.00" | hen egg | Aug 26, 2020 |
| 2.00" | hen egg | Apr 22, 2022 |
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