Hail in Harrison County, Iowa
Radar recorded hail of 1 inch or larger in Harrison County on 43 days since October 2020. That is more than 77% of US counties. It ranks 21 of 99 in Iowa.
The largest radar estimate was 3.4 inches on June 12, 2024. The most recent 1-inch day was September 6, 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 | 6 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 8 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| June 12, 2024 | 3.4 in |
| April 15, 2026 | 3.4 in |
| April 23, 2026 | 2.6 in |
| May 17, 2022 | 2.15 in |
| August 26, 2021 | 2.05 in |
| May 31, 2026 | 2.05 in |
Ground reports
Within this area, storm spotters and weather offices logged 21 hail reports since October 2020, and 32 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 Iowa
- Franklin County: 63 days
- Plymouth County: 61 days
- Mitchell County: 58 days
- Story County: 58 days
- Woodbury County: 56 days
- Adair County: 55 days