Hail history · South Dakota
Walworth County, South Dakota hail history
27 days with hail reports since 2010, most recently Aug 29, 2026. Largest hail: 3.00".
Hail days since 2010278 in the last 5 years
Largest hail3.00"teacup · Aug 23, 2018
Damaging wind reports85last Aug 30, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 4 | 5 | 1.50" | 12 | 72 mph |
| 2025 | 2 | 2 | 1.00" | 13 | 81 mph |
| 2024 | 0 | 0 | – | 6 | 64 mph |
| 2023 | 1 | 2 | 1.75" | 1 | 60 mph |
| 2022 | 1 | 1 | 1.00" | 6 | 70 mph |
| 2021 | 2 | 4 | 2.50" | 0 | – |
| 2020 | 3 | 6 | 2.00" | 7 | 81 mph |
| 2019 | 3 | 10 | 2.75" | 5 | 67 mph |
| 2018 | 3 | 5 | 3.00" | 13 | 100 mph |
| 2017 | 3 | 4 | 1.75" | 6 | 70 mph |
| 2016 | 5 | 10 | 2.00" | 16 | 70 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 |
|---|---|---|
| 3.00" | teacup | Aug 23, 2018 |
| 2.75" | baseball | Aug 6, 2019 |
| 2.75" | baseball | Aug 6, 2019 |
| 2.50" | tennis ball | Aug 28, 2021 |
| 2.00" | hen egg | May 30, 2016 |
| 2.00" | hen egg | Jul 10, 2020 |
| 1.75" | golf ball | Sep 19, 2017 |
| 1.75" | golf ball | Aug 23, 2018 |
| 1.75" | golf ball | Jun 7, 2020 |
| 1.75" | golf ball | Jul 30, 2023 |
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