Hail reports Wisconsin
No hail reports arrived in Wisconsin in the last 24 hours. The state averages about 270 reports a year, and its largest stone on record measured 5.50 inches at Port Edwards on Jun 7, 2007.
From 2005 through 2025, the Storm Events Database logs about 270 hail reports in Wisconsin a year, across about 33 days.
Largest hailstones on record in Wisconsin
| Diameter | Size | Place | Date |
|---|---|---|---|
| 5.50 inches | Grapefruit | Port Edwards, Wood County | Jun 7, 2007 |
| 4.50 inches | Grapefruit | Merrill, Lincoln County | Jul 16, 1997 |
| 4.50 inches | Grapefruit | Oakdale, Monroe County | Jun 1, 2000 |
| 4.50 inches | Grapefruit | Applecreek, Outagamie County | Sep 7, 2021 |
| 4.25 inches | Softball | Lake Mills, Jefferson County | Apr 13, 2006 |
| 4.25 inches | Softball | Jefferson, Jefferson County | May 11, 2011 |
| 4.25 inches | Softball | Westfield, Marquette County | May 22, 2011 |
| 4.25 inches | Softball | Winchester, Winnebago County | May 22, 2011 |
| 4.25 inches | Softball | Redgranite, Waushara County | May 22, 2011 |
| 4.25 inches | Softball | Loganville, Sauk County | Jun 6, 2011 |
Record figures come from the Storm Events Database at NCEI, a reviewed log that trails live reports by 2 to 3 months. Records start in 1996 and averages cover 2005-2025.
Hail reports by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reports | 0.3 | 1 | 8 | 37 | 54 | 53 | 52 | 34 | 23 | 9 | 1 | 0.1 |
Counties in Wisconsin with the most hail reports
| County | Reports a year |
|---|---|
| Dane | 17.4 |
| Waukesha | 8.9 |
| Grant | 6.9 |
| Milwaukee | 6.9 |
| Trempealeau | 6.3 |
| Sawyer | 6.3 |
| St. Croix | 6.1 |
| La Crosse | 6.0 |
| Marathon | 6.0 |
| Outagamie | 6.0 |
Cities in Wisconsin with hail data
National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.