◆ VERMILLION, SD HAIL HISTORY · CLAY COUNTY
Vermillion, SD hail history & hail map
Vermillion, South Dakota has had 14 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Sep 12, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
14Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.00″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Vermillion, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Vermillion
| Date | Peak hail | Sources |
|---|---|---|
| Sep 12, 2026 | 0.75″ Penny | Radar 0.75″ |
| May 31, 2026 | 0.38″ Small | 1 ground report (max 0.38″) |
| Jul 28, 2025 | 0.38″ Small | 1 ground report (max 0.38″) |
| Jul 8, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Jun 29, 2025 | 0.38″ Small | 1 ground report (max 0.38″) |
| Jun 28, 2025 | 0.50″ Small | 1 ground report (max 0.50″) |
| Jun 2, 2025 | 1.75″ Golf Ball | Radar 1.75″ · 4 ground reports (max 1.00″) |
| Apr 17, 2025 | 0.75″ Penny | 1 ground report (max 0.75″) |
| May 4, 2023 | 0.62″ Small | 1 ground report (max 0.62″) |
| Mar 31, 2023 | 0.50″ Small | 1 ground report (max 0.50″) |
| Aug 31, 2022 | 0.88″ Nickel | 3 ground reports (max 0.88″) |
| May 13, 2022 | 1.00″ Quarter | Radar 1.00″ · 3 ground reports (max 1.00″) |
| Mar 29, 2022 | 0.25″ Small | 1 ground report (max 0.25″) |
| Mar 5, 2022 | 0.50″ Small | 2 ground reports (max 0.50″) |
More South Dakota hail history
All South Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Vermillion (42.780, -96.920) 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.