Hail history · Illinois
Winnebago County, Illinois hail history
25 days with hail reports since 2010, most recently Aug 21, 2026. Largest hail: 3.00".
Hail days since 20102514 in the last 5 years
Largest hail3.00"teacup · May 2, 2018
Damaging wind reports137last Jul 3, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 4 | 5 | 2.25" | 10 | 62 mph |
| 2025 | 2 | 8 | 1.50" | 14 | 64 mph |
| 2024 | 2 | 2 | 1.50" | 31 | 81 mph |
| 2023 | 4 | 11 | 2.00" | 4 | 70 mph |
| 2022 | 2 | 3 | 1.50" | 12 | 81 mph |
| 2021 | 0 | 0 | – | 19 | 69 mph |
| 2020 | 4 | 20 | 3.00" | 13 | 85 mph |
| 2019 | 0 | 0 | – | 8 | 63 mph |
| 2018 | 1 | 3 | 3.00" | 7 | 63 mph |
| 2017 | 3 | 7 | 2.00" | 14 | 96 mph |
| 2016 | 3 | 3 | 1.25" | 5 | 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 |
|---|---|---|
| 3.00" | teacup | May 2, 2018 |
| 3.00" | teacup | Apr 7, 2020 |
| 2.25" | hen egg | Apr 17, 2026 |
| 2.00" | hen egg | May 15, 2017 |
| 2.00" | hen egg | May 2, 2018 |
| 2.00" | hen egg | Apr 7, 2020 |
| 2.00" | hen egg | Apr 7, 2020 |
| 2.00" | hen egg | Jun 29, 2023 |
| 1.75" | golf ball | May 15, 2017 |
| 1.75" | golf ball | May 15, 2017 |
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