◆ TREMPEALEAU, WI HAIL HISTORY · TREMPEALEAU COUNTY
Trempealeau, WI hail history & hail map
Trempealeau, Wisconsin has had 9 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Sep 2, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
9Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Trempealeau, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Trempealeau
| Date | Peak hail | Sources |
|---|---|---|
| Sep 2, 2026 | 1.50″ Ping Pong Ball | 1 ground report (max 1.50″) |
| Aug 18, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Jun 10, 2026 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| May 15, 2025 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
| Jul 13, 2024 | 1.75″ Golf Ball | Radar 0.75″ · 7 ground reports (max 1.75″) |
| Oct 24, 2023 | 1.50″ Ping Pong Ball | 1 ground report (max 1.50″) |
| May 20, 2022 | 0.75″ Penny | Radar 0.75″ |
| May 10, 2022 | 1.00″ Quarter | Radar 1.00″ |
| Apr 12, 2022 | 0.75″ Penny | 2 ground reports (max 0.75″) |
More Wisconsin hail history
All Wisconsin cities & hail days →
Events count days with NOAA MRMS radar hail over Trempealeau (44.010, -91.440) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.