◆ DENNISON, MN HAIL HISTORY · GOODHUE COUNTY
Dennison, MN hail history & hail map
Dennison, Minnesota has had 8 hail events in the past 5 years, with hail up to 3.30″ (Baseball). Most recent: Jun 19, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
8Hail events in the past 5 years
3.30″Largest recorded hail · Baseball
3.30″Largest ground report (within 3 mi)
2.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Dennison, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Dennison
| Date | Peak hail | Sources |
|---|---|---|
| Jun 19, 2026 | 0.38″ Small | 1 ground report (max 0.38″) |
| Apr 14, 2026 | 1.25″ Half Dollar | Radar 1.25″ |
| Apr 13, 2026 | 3.30″ Baseball | Radar 2.25″ · 4 ground reports (max 3.30″) |
| May 15, 2025 | 0.50″ Small | 1 ground report (max 0.50″) |
| Jul 31, 2024 | 0.38″ Small | 1 ground report (max 0.38″) |
| May 27, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jul 24, 2023 | 1.50″ Ping Pong Ball | Radar 1.50″ · 3 ground reports (max 1.25″) |
| Apr 12, 2022 | 1.00″ Quarter | Radar 1.00″ |
More Minnesota hail history
All Minnesota cities & hail days →
Events count days with NOAA MRMS radar hail over Dennison (44.410, -93.040) 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.