HailEvidence → hail history → Hanover, WI
Hanover, WI hail history
Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Hanover city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 4 | 1.50" (ping pong ball) |
| 2024 | 6 | 1.50" (ping pong ball) |
| 2023 | 1 | 0.88" (nickel) |
| 2022 | 4 | 1.00" (quarter) |
| 2021 | 0 | — |
| 2020 | 1 | 0.88" (nickel) |
| 2019 | 1 | 1.00" (quarter) |
| 2018 | 2 | 1.50" (ping pong ball) |
| 2017 | 2 | 1.00" (quarter) |
| 2016 | 2 | 0.88" (nickel) |
| 2015 | 1 | 0.88" (nickel) |
| 2014 | 1 | 0.75" (penny) |
| 2013 | 1 | 1.00" (quarter) |
| 2012 | 3 | 2.00" (hen egg) |
Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.
Wind and tornado record
- 167 thunderstorm-wind events, strongest 104 mph, most recent 2025-08-16.
- 10 tornado events, most recent 2024-06-22.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-16 | Hail | 1.00" | 6.7 mi |
| 2025-08-16 | Hail | 1.50" | 7.1 mi |
| 2025-08-16 | Thunderstorm Wind | 58 mph | 8.4 mi |
| 2025-08-16 | Hail | 1.00" | 8.8 mi |
| 2025-08-16 | Hail | 1.00" | 8.3 mi |
| 2025-03-14 | Thunderstorm Wind | 64 mph | 9.5 mi |
| 2025-03-14 | Thunderstorm Wind | 64 mph | 9.9 mi |
| 2025-03-14 | Thunderstorm Wind | 64 mph | 8.8 mi |
| 2025-03-14 | Thunderstorm Wind | 64 mph | 6.3 mi |
| 2024-07-14 | Thunderstorm Wind | 58 mph | 8.4 mi |
2025-08-16: “Ping pong ball hail on the west side of Janesville.”
2025-08-16: “Tree damage across Janesville.”
2025-08-16: “Public Facebook report via video of many hailstones shredding leaves off a backyard tree.”
Disputing a claim at a Hanover address?
This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.
Verify an address — $29source: NOAA NCEI Storm Events computed 2026-06-12