◆ ROCKYFORD, SD HAIL HISTORY · OGLALA LAKOTA COUNTY
Rockyford, SD hail history & hail map
Rockyford, South Dakota has had 11 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: May 31, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
11Hail events in the past 5 years
2.50″Largest recorded hail · Tennis Ball
1.75″Largest ground report (within 3 mi)
2.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Rockyford, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Rockyford
| Date | Peak hail | Sources |
|---|---|---|
| May 31, 2026 | 0.75″ Penny | Radar 0.75″ |
| Sep 13, 2025 | 2.50″ Tennis Ball | Radar 2.50″ |
| Jul 22, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Jul 15, 2025 | 0.75″ Penny | Radar 0.75″ |
| Jul 14, 2025 | 0.75″ Penny | Radar 0.75″ |
| Jul 9, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Jun 29, 2025 | 1.75″ Golf Ball | Radar 1.75″ · 1 ground report (max 1.75″) |
| Jun 16, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Aug 26, 2024 | 1.25″ Half Dollar | Radar 1.25″ |
| Jun 2, 2024 | 1.25″ Half Dollar | Radar 1.25″ |
| Jul 3, 2022 | 1.00″ Quarter | Radar 1.00″ |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Rockyford (43.380, -102.660) 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.