◆ OTISCO, MN HAIL HISTORY · WASECA COUNTY
Otisco, MN hail history & hail map
Otisco, Minnesota has had 4 hail events in the past 5 years, with hail up to 2.25″ (Golf Ball). Most recent: Sep 2, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
2.25″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
2.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Otisco, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Otisco
| Date | Peak hail | Sources |
|---|---|---|
| Sep 2, 2026 | 0.75″ Penny | Radar 0.75″ |
| Sep 21, 2025 | 2.25″ Golf Ball | Radar 2.25″ · 3 ground reports (max 2.00″) |
| Jul 13, 2023 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jul 24, 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 Otisco (43.980, -93.530) 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.