◆ DELMONT, SD HAIL HISTORY · DOUGLAS COUNTY
Delmont, SD hail history & hail map
Delmont, South Dakota has had 4 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). 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
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Delmont, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Delmont
| Date | Peak hail | Sources |
|---|---|---|
| Aug 3, 2025 | 0.75″ Penny | 2 ground reports (max 0.75″) |
| Jun 28, 2025 | 0.75″ Penny | Radar 0.75″ |
| Jul 30, 2023 | 1.25″ Half Dollar | Radar 1.25″ |
| Apr 12, 2022 | 1.75″ Golf Ball | 1 ground report (max 1.75″) |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Delmont (43.330, -98.230) 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.