◆ CORNELIA, WI HAIL HISTORY · GRANT COUNTY
Cornelia, WI hail history & hail map
Cornelia, Wisconsin has had 2 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Aug 17, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
2Hail events in the past 5 years
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Cornelia, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Cornelia
| Date | Peak hail | Sources |
|---|---|---|
| Aug 17, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Apr 18, 2025 | 2.00″ Golf Ball | Radar 1.25″ · 1 ground report (max 2.00″) |
More Wisconsin hail history
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Events count days with NOAA MRMS radar hail over Cornelia (42.690, -90.610) 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.