Hail in Sioux County, Iowa
Radar recorded hail of 1 inch or larger in Sioux County on 52 days since October 2020. That is more than 85% of US counties. It ranks 8 of 99 in Iowa.
The largest radar estimate was 2.8 inches on June 27, 2026. The most recent 1-inch day was October 8, 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 | 12 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 3 |
| 2025 | 9 |
| 2026 | 11 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| June 27, 2026 | 2.8 in |
| July 8, 2021 | 2.3 in |
| June 2, 2025 | 2.25 in |
| July 10, 2023 | 2.2 in |
| September 21, 2025 | 2.2 in |
| August 5, 2021 | 2 in |
Ground reports
Within this area, storm spotters and weather offices logged 29 hail reports since October 2020, and 41 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