◆ OWATONNA, MN HAIL HISTORY · STEELE COUNTY
Owatonna, MN hail history & hail map
Owatonna, Minnesota has had 10 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
10Hail events in the past 5 years
2.25″Largest recorded hail · Golf Ball
2.25″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Owatonna, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Owatonna
| Date | Peak hail | Sources |
|---|---|---|
| Sep 2, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Aug 9, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| Apr 14, 2026 | 2.25″ Golf Ball | 2 ground reports (max 2.25″) |
| Apr 28, 2025 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Mar 28, 2025 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Sep 19, 2024 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jun 13, 2022 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| May 11, 2022 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Apr 13, 2022 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Apr 12, 2022 | 0.50″ Small | 1 ground report (max 0.50″) |
More Minnesota hail history
All Minnesota cities & hail days →
Events count days with NOAA MRMS radar hail over Owatonna (44.060, -93.190) 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.