◆ JASPER, MN HAIL HISTORY · ROCK COUNTY
Jasper, MN hail history & hail map
Jasper, Minnesota has had 7 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Sep 21, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
7Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
0.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Jasper, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Jasper
| Date | Peak hail | Sources |
|---|---|---|
| Sep 21, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jul 13, 2023 | 1.75″ Golf Ball | 2 ground reports (max 1.75″) |
| Jun 21, 2022 | 0.75″ Penny | Radar 0.75″ |
| May 30, 2022 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| May 29, 2022 | 0.75″ Penny | Radar 0.75″ |
| Apr 23, 2022 | 1.25″ Half Dollar | 1 ground report (max 1.25″) |
| Apr 13, 2022 | 0.75″ Penny | Radar 0.75″ |
More Minnesota hail history
All Minnesota cities & hail days →
Events count days with NOAA MRMS radar hail over Jasper (43.850, -96.370) 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.