◆ WILLMAR, MN HAIL HISTORY · KANDIYOHI COUNTY
Willmar, MN hail history & hail map
Willmar, Minnesota has had 5 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: Jun 23, 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
2.50″Largest recorded hail · Tennis Ball
2.50″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Willmar, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Willmar
| Date | Peak hail | Sources |
|---|---|---|
| Jun 23, 2026 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Aug 26, 2024 | 0.75″ Penny | Radar 0.75″ |
| Sep 30, 2023 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Sep 9, 2022 | 1.00″ Quarter | Radar 1.00″ |
| May 9, 2022 | 2.50″ Tennis Ball | Radar 1.00″ · 4 ground reports (max 2.50″) |
More Minnesota hail history
All Minnesota cities & hail days →
Events count days with NOAA MRMS radar hail over Willmar (45.120, -95.050) 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.