◆ WATERTOWN AIRPORT, WI HAIL HISTORY · JEFFERSON COUNTY
Watertown Airport, WI hail history & hail map
Watertown Airport, Wisconsin has had 5 hail events in the past 5 years, with hail up to 2.75″ (Baseball). Most recent: Apr 17, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
5Hail events in the past 5 years
2.75″Largest recorded hail · Baseball
2.75″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Watertown Airport, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Watertown Airport
| Date | Peak hail | Sources |
|---|---|---|
| Apr 17, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Apr 14, 2026 | 2.75″ Baseball | Radar 1.25″ · 6 ground reports (max 2.75″) |
| Apr 18, 2025 | 1.25″ Half Dollar | 1 ground report (max 1.25″) |
| Oct 23, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Apr 15, 2023 | 0.88″ Nickel | 2 ground reports (max 0.88″) |
More Wisconsin hail history
All Wisconsin cities & hail days →
Events count days with NOAA MRMS radar hail over Watertown Airport (43.170, -88.690) 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.