◆ GREGORY, SD HAIL HISTORY · GREGORY COUNTY
Gregory, SD hail history & hail map
Gregory, South Dakota has had 4 hail events in the past 5 years, with hail up to 1.25″ (Half Dollar). Most recent: Aug 3, 2025. 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
1.25″Largest recorded hail · Half Dollar
1.25″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Gregory, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Gregory
| Date | Peak hail | Sources |
|---|---|---|
| Aug 3, 2025 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 1.00″) |
| Jul 15, 2025 | 1.25″ Half Dollar | Radar 1.25″ |
| Aug 26, 2024 | 1.25″ Half Dollar | Radar 1.25″ |
| Aug 25, 2024 | 1.25″ Half Dollar | 1 ground report (max 1.25″) |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Gregory (43.240, -99.430) 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.