Hail in Lake County, South Dakota
Radar recorded hail of 1 inch or larger in Lake County on 30 days since October 2020. That is more than 59% of US counties. It ranks 56 of 66 in South Dakota.
The largest radar estimate was 5.75 inches on May 1, 2021. The most recent 1-inch day was September 2, 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 | 4 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 7 |
| 2026 | 5 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| May 1, 2021 | 5.75 in |
| August 24, 2026 | 2.3 in |
| August 5, 2021 | 2.1 in |
| October 23, 2022 | 1.75 in |
| August 6, 2026 | 1.75 in |
| August 22, 2021 | 1.6 in |
Ground reports
Within this area, storm spotters and weather offices logged 20 hail reports since October 2020, and 23 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