◆ ROCKERVILLE, SD HAIL HISTORY · PENNINGTON COUNTY
Rockerville, SD hail history & hail map
Rockerville, South Dakota has had 19 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Aug 19, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
19Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Rockerville, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Rockerville
| Date | Peak hail | Sources |
|---|---|---|
| Aug 19, 2026 | 1.50″ Ping Pong Ball | Radar 0.75″ · 2 ground reports (max 1.50″) |
| Aug 11, 2026 | 1.75″ Golf Ball | 2 ground reports (max 1.75″) |
| Jul 3, 2026 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
| Aug 18, 2025 | 1.75″ Golf Ball | Radar 1.75″ · 1 ground report (max 1.00″) |
| Jul 20, 2025 | 1.00″ Quarter | Radar 1.00″ · 3 ground reports (max 1.00″) |
| Jul 7, 2025 | 0.75″ Penny | Radar 0.75″ |
| Jul 6, 2025 | 1.75″ Golf Ball | Radar 0.75″ · 3 ground reports (max 1.75″) |
| Jul 28, 2024 | 0.75″ Penny | Radar 0.75″ |
| Jun 25, 2024 | 1.25″ Half Dollar | Radar 1.25″ · 4 ground reports (max 1.25″) |
| Apr 16, 2024 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Sep 13, 2023 | 1.00″ Quarter | Radar 1.00″ |
| Sep 9, 2023 | 0.75″ Penny | Radar 0.75″ |
| Aug 12, 2023 | 1.00″ Quarter | Radar 1.00″ |
| Jul 22, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Jul 18, 2023 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 0.50″) |
| Jul 12, 2023 | 1.75″ Golf Ball | Radar 1.25″ · 2 ground reports (max 1.75″) |
| Jun 24, 2023 | 0.50″ Small | 1 ground report (max 0.50″) |
| May 30, 2023 | 0.50″ Small | 1 ground report (max 0.50″) |
| May 12, 2022 | 0.75″ Penny | 1 ground report (max 0.75″) |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Rockerville (44.010, -103.330) 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.