◆ WAUKESHA CO ARPT, WI HAIL HISTORY · WAUKESHA COUNTY
Waukesha Co Arpt, WI hail history & hail map
Waukesha Co Arpt, Wisconsin has had 13 hail events in the past 5 years, with hail up to 1.00″ (Quarter). Most recent: Apr 15, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
13Hail events in the past 5 years
1.00″Largest recorded hail · Quarter
0.88″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Waukesha Co Arpt, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Waukesha Co Arpt
| Date | Peak hail | Sources |
|---|---|---|
| Apr 15, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| May 15, 2025 | 0.25″ Small | 2 ground reports (max 0.25″) |
| Apr 22, 2025 | 0.25″ Small | 1 ground report (max 0.25″) |
| Apr 18, 2025 | 0.75″ Penny | 4 ground reports (max 0.75″) |
| Apr 2, 2025 | 0.10″ Small | 1 ground report (max 0.10″) |
| Mar 28, 2025 | 0.25″ Small | 2 ground reports (max 0.25″) |
| Oct 12, 2024 | 0.25″ Small | 2 ground reports (max 0.25″) |
| Jun 25, 2024 | 0.50″ Small | 1 ground report (max 0.50″) |
| Apr 12, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Nov 8, 2023 | 0.25″ Small | 2 ground reports (max 0.25″) |
| Apr 19, 2023 | 0.10″ Small | 2 ground reports (max 0.10″) |
| Jun 13, 2022 | 1.00″ Quarter | Radar 1.00″ · 2 ground reports (max 0.50″) |
| Apr 23, 2022 | 0.88″ Nickel | 1 ground report (max 0.88″) |
More Wisconsin hail history
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Events count days with NOAA MRMS radar hail over Waukesha Co Arpt (43.030, -88.240) 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.