◆ WATERTOWN, SD HAIL HISTORY · CODINGTON COUNTY
Watertown, SD hail history & hail map
Watertown, South Dakota has had 9 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Jul 28, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
9Hail 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 Watertown, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Watertown
| Date | Peak hail | Sources |
|---|---|---|
| Jul 28, 2025 | 1.75″ Golf Ball | Radar 1.75″ · 1 ground report (max 1.00″) |
| Jul 27, 2025 | 1.50″ Ping Pong Ball | 1 ground report (max 1.50″) |
| Apr 14, 2025 | 0.10″ Small | 1 ground report (max 0.10″) |
| Jun 18, 2024 | 1.50″ Ping Pong Ball | Radar 1.50″ · 3 ground reports (max 1.00″) |
| Jun 12, 2024 | 1.75″ Golf Ball | Radar 1.25″ · 4 ground reports (max 1.75″) |
| Jun 2, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Sep 9, 2022 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Sep 8, 2022 | 0.25″ Small | 1 ground report (max 0.25″) |
| May 30, 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 Watertown (44.890, -97.120) 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.