Hail HistoryHome › Wisconsin › Winnebago County
Hail history for Winnebago County, WI
78 hail reports in Winnebago County since 2006 on 43 days. The largest stones measured 4.25 in on May 22, 2011.
Cities in Winnebago County
Recent hail in Winnebago County
| Date | Hail size | Where |
|---|---|---|
| Jun 16, 2026 | 1 in quarter | Oshkosh 2 hail reports |
| Apr 28, 2025 | 0.88 in nickel | Zittau 1 hail report |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Winnebago County by year
When hail season peaks in Winnebago County
Damaging thunderstorm winds in Winnebago County
100 reports of damaging thunderstorm wind in Winnebago County since 2006, on 53 days. The strongest measured gust was 74 mph on Sep 2, 2011.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 4, 2026 | 50 mph, measured | Omro, Wittman Field 3 wind reports |
| Sep 2, 2026 | 56 mph, measured | Oshkosh, Zittau 2 wind reports |
| Jul 2, 2026 | 45 mph, measured | Wittman Field 1 wind report |
| Jul 1, 2026 | 61 mph, measured | Wittman Field, Oshkosh 2 wind reports |
| Jun 10, 2026 | 70 mph, estimated | Wittman Field Osh, Oshkosh 3 wind reports |
| Sep 20, 2025 | 60 mph, measured | Oshkosh 1 wind report |
| Aug 16, 2025 | 60 mph, estimated | Oshkosh 1 wind report |
| Jun 23, 2025 | 70 mph, estimated | Oshkosh 1 wind report |
| May 16, 2025 | 60 mph, estimated | Eureka, Winneconne, Winchester 3 wind reports |
| Aug 27, 2024 | 60 mph, estimated | Lake Poygan, Menasha 2 wind reports |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Winnebago County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).