◆ GROVER, SD HAIL HISTORY · CODINGTON COUNTY
Grover, SD hail history & hail map
Grover, South Dakota has had 5 hail events in the past 5 years, with hail up to 1.50″ (Ping Pong Ball). Most recent: Jun 4, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
5Hail events in the past 5 years
1.50″Largest recorded hail · Ping Pong Ball
1.00″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Grover, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Grover
| Date | Peak hail | Sources |
|---|---|---|
| Jun 4, 2026 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Jul 28, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Jul 13, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Sep 9, 2022 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Aug 6, 2022 | 0.75″ Penny | Radar 0.75″ |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Grover (44.820, -97.210) 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.