Hail history · Wisconsin
Rock County, Wisconsin hail history
21 days with hail reports since 2010, most recently Jun 24, 2026. Largest hail: 2.75".
Hail days since 20102111 in the last 5 years
Largest hail2.75"baseball · Apr 18, 2025
Damaging wind reports82last Jul 3, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 4 | 6 | 2.00" | 8 | 85 mph |
| 2025 | 2 | 18 | 2.75" | 11 | 76 mph |
| 2024 | 2 | 7 | 1.50" | 17 | 70 mph |
| 2023 | 1 | 1 | 1.25" | 5 | 81 mph |
| 2022 | 2 | 7 | 2.00" | 6 | 81 mph |
| 2021 | 2 | 4 | 1.00" | 2 | 68 mph |
| 2020 | 1 | 1 | 1.00" | 6 | 75 mph |
| 2019 | 2 | 2 | 1.00" | 3 | 58 mph |
| 2018 | 1 | 3 | 1.50" | 7 | 64 mph |
| 2017 | 2 | 3 | 1.00" | 9 | 81 mph |
| 2016 | 2 | 2 | 1.00" | 8 | 64 mph |
| 2015 | 0 | 0 | – | 0 | – |
| 2014 | 0 | 0 | – | 0 | – |
| 2013 | 0 | 0 | – | 0 | – |
| 2012 | 0 | 0 | – | 0 | – |
| 2011 | 0 | 0 | – | 0 | – |
| 2010 | 0 | 0 | – | 0 | – |
Largest hail reports
| Size | About the size of a | Date |
|---|---|---|
| 2.75" | baseball | Apr 18, 2025 |
| 2.75" | baseball | Apr 18, 2025 |
| 2.75" | baseball | Apr 18, 2025 |
| 2.50" | tennis ball | Apr 18, 2025 |
| 2.00" | hen egg | Jul 23, 2022 |
| 2.00" | hen egg | Apr 18, 2025 |
| 2.00" | hen egg | Apr 18, 2025 |
| 2.00" | hen egg | Apr 18, 2025 |
| 2.00" | hen egg | Apr 17, 2026 |
| 1.75" | golf ball | Jul 23, 2022 |
Check a specific address
County totals hide big differences between neighborhoods. See every report within 1 to 10 miles of a home.
Source: NOAA Storm Prediction Center storm reports (final Storm Data through Dec 28, 2025; preliminary reports through Oct 9, 2026). Hail 1 inch or larger and damaging wind (58 mph or more, or reported damage). Counts are reports, not damage claims; many storms go unreported. Dates are CST. About the data