Hail in Polk County, Iowa
Radar recorded hail of 1 inch or larger in Polk County on 46 days since October 2020. That is more than 80% of US counties. It ranks 17 of 99 in Iowa.
The largest radar estimate was 3.75 inches on September 8, 2026. The most recent 1-inch day was September 15, 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 | 7 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 12 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| September 8, 2026 | 3.75 in |
| July 9, 2021 | 3.1 in |
| August 19, 2022 | 2.55 in |
| July 30, 2024 | 2.3 in |
| July 15, 2024 | 2 in |
| July 20, 2026 | 1.95 in |
Ground reports
Within this area, storm spotters and weather offices logged 114 hail reports since October 2020, and 56 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