Hail HistoryHome › South Dakota › Day County
Hail history for Day County, SD
112 hail reports in Day County since 2006 on 65 days. The largest stones measured 2.75 in (baseball) on Aug 10, 2006.
Recent hail in Day County
| Date | Hail size | Where |
|---|---|---|
| Jul 7, 2026 | 1 in quarter | Webster 1 hail report |
| Aug 14, 2025 | 1.5 in ping pong ball | Pierpont 1 hail report |
| Aug 5, 2025 | 1.5 in ping pong ball | Holmquist, Bristol 2 hail reports |
| Jul 28, 2025 | 1 in quarter | Roslyn 1 hail report |
| Jun 16, 2025 | 1.25 in half dollar | Grenville 2 hail reports |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Day County by year
When hail season peaks in Day County
Damaging thunderstorm winds in Day County
120 reports of damaging thunderstorm wind in Day County since 2006, on 48 days. The strongest measured gust was 90 mph on Jul 17, 2015.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 25, 2026 | 64 mph, measured | Pierpont 1 wind report |
| Jul 7, 2026 | 62 mph, measured | Andover, Waubay Wildlife Re 2 wind reports |
| Jun 29, 2026 | 100 mph, estimated | Andover, Bristol, Webster 9 wind reports |
| Jun 15, 2026 | 68 mph, measured | Waubay 1 wind report |
| Aug 14, 2025 | 70 mph, estimated | Roslyn, Pierpont 4 wind reports |
| Jul 31, 2024 | 60 mph, measured | Andover 1 wind report |
| Jun 2, 2024 | 64 mph, measured | Waubay 1 wind report |
| Aug 10, 2023 | 60 mph, estimated | Webster Muni Airport 1 wind report |
| Apr 19, 2023 | 78 mph, measured | Pierpont 2 wind reports |
| Jul 23, 2022 | 58 mph, measured | Waubay 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Day County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).