◆ HERMOSA, SD HAIL HISTORY · CUSTER COUNTY
Hermosa, SD hail history & hail map
Hermosa, South Dakota has had 20 hail events in the past 5 years, with hail up to 3.60″ (Baseball). Most recent: Aug 23, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
20Hail events in the past 5 years
3.60″Largest recorded hail · Baseball
3.60″Largest ground report (within 3 mi)
3.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Hermosa, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Hermosa
| Date | Peak hail | Sources |
|---|---|---|
| Aug 23, 2026 | 1.00″ Quarter | Radar 1.00″ · 2 ground reports (max 1.00″) |
| Aug 11, 2026 | 3.60″ Baseball | 7 ground reports (max 3.60″) |
| May 31, 2026 | 0.75″ Penny | Radar 0.75″ · 1 ground report (max 0.70″) |
| Jul 7, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Sep 16, 2024 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Sep 13, 2024 | 1.25″ Half Dollar | Radar 1.25″ |
| Aug 26, 2024 | 2.00″ Golf Ball | Radar 1.50″ · 2 ground reports (max 2.00″) |
| Aug 11, 2024 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 1.00″) |
| Aug 4, 2024 | 1.00″ Quarter | Radar 1.00″ |
| Jul 29, 2024 | 3.00″ Baseball | Radar 3.00″ · 5 ground reports (max 2.25″) |
| Jul 28, 2024 | 1.00″ Quarter | Radar 0.75″ · 1 ground report (max 1.00″) |
| Oct 3, 2023 | 0.75″ Penny | Radar 0.75″ |
| Aug 12, 2023 | 2.00″ Golf Ball | Radar 1.50″ · 2 ground reports (max 2.00″) |
| Jul 12, 2023 | 0.75″ Penny | Radar 0.75″ |
| Jul 11, 2023 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Jul 4, 2023 | 1.50″ Ping Pong Ball | Radar 1.50″ · 4 ground reports (max 1.50″) |
| Jun 24, 2023 | 1.25″ Half Dollar | Radar 1.25″ |
| May 30, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| May 29, 2023 | 1.00″ Quarter | Radar 1.00″ · 2 ground reports (max 1.00″) |
| Jun 11, 2022 | 1.00″ Quarter | 1 ground report (max 1.00″) |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Hermosa (43.840, -103.200) 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.