Hail in Mellette County, South Dakota
Radar recorded hail of 1 inch or larger in Mellette County on 72 days since October 2020. That is more than 94% of US counties. It ranks 13 of 66 in South Dakota.
The largest radar estimate was 3.45 inches on July 29, 2024. The most recent 1-inch day was August 27, 2026. Radar estimates and ground reports often differ, so see how they compare.
See the county center on the map
Days of 1-inch hail by year
| Year | Days |
|---|---|
| 2020 (from October) | 0 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 13 |
| 2025 | 12 |
| 2026 | 13 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| July 29, 2024 | 3.45 in |
| June 28, 2026 | 3.05 in |
| June 2, 2026 | 2.95 in |
| August 23, 2021 | 2.8 in |
| August 4, 2022 | 2.65 in |
| June 27, 2023 | 2.6 in |
Ground reports
Within this area, storm spotters and weather offices logged 27 hail reports since October 2020, and 16 tornadoes started here since 1950.
Figures cover a circle with the same land area as the county, centered on it, so edges are approximate.
Most hail days in South Dakota
- Pennington County: 168 days
- Custer County: 160 days
- Oglala Lakota County: 130 days
- Lawrence County: 124 days
- Meade County: 120 days
- Butte County: 115 days