Hail in Wisconsin — where it hits, county by county
Hail is a fact of life on Wisconsin ground — 793 National Weather Service hail reports in the last 5 years, led by Dane County, peaking around April. The table below ranks the counties; the interactive national map shows exactly where, year by year. Checking a specific address? The map’s search box pulls every dated report within 25 miles.
Open the interactive map on Wisconsin →Top hail counties in Wisconsin (2022–2026)
| County | Reports | Avg/yr | Peak month | % damaging (≥1.5″) |
|---|---|---|---|---|
| Dane | 237 | 47.4 | Apr | 36% |
| Marathon | 90 | 18.0 | May | 18% |
| La Crosse | 90 | 18.0 | Jul | 30% |
| Waukesha | 75 | 15.0 | Apr | 20% |
| Brown | 75 | 15.0 | Jun | 11% |
| Grant | 62 | 12.4 | Apr | 26% |
| Jefferson | 43 | 8.6 | Apr | 26% |
| Milwaukee | 42 | 8.4 | May | 5% |
| Rock | 40 | 8.0 | Apr | 48% |
| Bayfield | 39 | 7.8 | Mar | 10% |
Key figures — Wisconsin hail at a glance
- Wisconsin logged 793 National Weather Service hail reports statewide over the last 5 years (2022–2026).
- Dane County leads Wisconsin with 237 hail reports over that span — about 47.4 per year.
- Reported hail in Wisconsin peaks in April.
- Roughly 203 of Wisconsin's reports involved stones 1.5″ or larger — the size that damages roofs, vehicles, and crops.
Citing these figures? Attribution: AGSIST National Hail Map, https://agsist.com/hail-map/wisconsin (NWS Local Storm Reports, 2022–2026). Data is available at no charge; a link back keeps it that way.
Wisconsin hail — the questions people ask
Where does it hail the most in Wisconsin?
By reported hail over the last 5 years, the most active counties in Wisconsin are Dane, Marathon, La Crosse. Reports track population and spotter coverage as well as storms, so rural corridors can be under-counted; the persistent leaders on this table are real hail geography.
When is hail season in Wisconsin?
Reported hail in Wisconsin peaks around April, with most activity in the spring-through-midsummer window. Any single year can break the pattern.
How much of Wisconsin's hail is damaging?
On this page, damaging means reported stones of 1.5″ or larger — the size that reliably dents roofs and vehicles and strips crops. The per-county damaging share is in the table; statewide, hail of any size totaled 793 reports over 5 years.
Insurance, roofing, or ag professional using this data in client-facing work? The same dataset is available as a licensable embeddable widget — details on the sponsor page or email sig@farmers1st.com.