HailHistory › Hail by county › South Dakota
South Dakota · 66 counties
Hail history in South Dakota
South Dakota has 16,830 recorded hail events in the NOAA Storm Events Database since 1950 — 11,392 of them 1″ or larger. The largest on record: 8.0″ (grapefruit) in Lyman County on July 23, 2010.
When it hails in South Dakota
All recorded South Dakota events by month, 1950–present · data through April 2026.
Every South Dakota county, ranked by recorded hail
| County | Events | ≥1″ | Largest | Most recent |
|---|---|---|---|---|
| Pennington County | 1,614 | 1,172 | 4.5″ | 2025 |
| Meade County | 871 | 635 | 4.5″ | 2025 |
| Custer County | 682 | 517 | 6.0″ | 2025 |
| Lawrence County | 533 | 378 | 4.5″ | 2025 |
| Minnehaha County | 494 | 271 | 4.5″ | 2026 |
| Brown County | 437 | 299 | 4.5″ | 2025 |
| Fall River County | 376 | 280 | 4.5″ | 2025 |
| Harding County | 357 | 267 | 4.25″ | 2025 |
| Perkins County | 337 | 258 | 4.0″ | 2025 |
| Oglala Lakota County | 326 | 245 | 4.25″ | 2025 |
| Hand County | 321 | 213 | 4.0″ | 2024 |
| Butte County | 310 | 242 | 6.0″ | 2025 |
| Corson County | 310 | 196 | 3.0″ | 2025 |
| Jackson County | 292 | 205 | 4.5″ | 2025 |
| Charles Mix County | 290 | 183 | 6.88″ | 2025 |
| Edmunds County | 289 | 185 | 4.5″ | 2025 |
| Beadle County | 286 | 176 | 3.0″ | 2025 |
| Tripp County | 282 | 195 | 4.5″ | 2025 |
| Dewey County | 263 | 186 | 4.0″ | 2025 |
| Spink County | 261 | 163 | 4.0″ | 2025 |
| Yankton County | 252 | 144 | 2.75″ | 2025 |
| Todd County | 251 | 177 | 4.5″ | 2025 |
| Gregory County | 246 | 153 | 3.0″ | 2025 |
| Lyman County | 234 | 172 | 8.0″ | 2025 |
| Clark County | 233 | 138 | 4.5″ | 2025 |
| Bon Homme County | 226 | 127 | 5.0″ | 2025 |
| Codington County | 224 | 147 | 3.75″ | 2025 |
| Haakon County | 222 | 151 | 3.0″ | 2025 |
| Bennett County | 221 | 164 | 4.25″ | 2025 |
| Hughes County | 210 | 153 | 4.5″ | 2025 |
| Day County | 207 | 126 | 4.0″ | 2025 |
| Lincoln County | 201 | 133 | 2.75″ | 2026 |
| Ziebach County | 200 | 147 | 3.0″ | 2024 |
| McPherson County | 196 | 127 | 4.5″ | 2025 |
| Turner County | 194 | 111 | 5.0″ | 2026 |
| Faulk County | 193 | 128 | 5.0″ | 2025 |
| Hamlin County | 192 | 99 | 2.75″ | 2025 |
| Hutchinson County | 189 | 127 | 4.0″ | 2026 |
| McCook County | 189 | 134 | 4.5″ | 2025 |
| Kingsbury County | 186 | 111 | 4.5″ | 2025 |
| Stanley County | 183 | 133 | 2.75″ | 2025 |
| Brule County | 182 | 130 | 3.5″ | 2025 |
| Walworth County | 177 | 134 | 3.0″ | 2025 |
| Clay County | 174 | 115 | 4.5″ | 2025 |
| Davison County | 166 | 98 | 4.0″ | 2024 |
| Brookings County | 163 | 97 | 4.5″ | 2025 |
| Mellette County | 162 | 110 | 4.5″ | 2025 |
| Marshall County | 161 | 109 | 4.0″ | 2025 |
| Union County | 158 | 88 | 3.0″ | 2025 |
| Aurora County | 152 | 94 | 4.25″ | 2025 |
| Lake County | 150 | 92 | 4.0″ | 2024 |
| Sully County | 146 | 96 | 4.25″ | 2024 |
| Hyde County | 143 | 98 | 4.5″ | 2025 |
| Campbell County | 137 | 86 | 5.0″ | 2025 |
| Jones County | 136 | 104 | 3.0″ | 2026 |
| Potter County | 134 | 78 | 3.0″ | 2025 |
| Roberts County | 132 | 84 | 4.0″ | 2025 |
| Sanborn County | 129 | 88 | 5.0″ | 2025 |
| Grant County | 128 | 83 | 2.75″ | 2025 |
| Jerauld County | 121 | 85 | 3.0″ | 2025 |
| Moody County | 121 | 61 | 2.75″ | 2023 |
| Miner County | 110 | 54 | 3.0″ | 2025 |
| Deuel County | 99 | 74 | 3.0″ | 2025 |
| Douglas County | 97 | 67 | 4.25″ | 2025 |
| Hanson County | 90 | 49 | 3.0″ | 2023 |
| Buffalo County | 82 | 50 | 4.0″ | 2025 |
Questions about hail in South Dakota
How often does it hail in South Dakota?
The NOAA Storm Events Database records 16,830 hail events for South Dakota since 1950, 11,392 of them 1″ (quarter size) or larger. Recorded frequency varies sharply by county — the table on this page ranks all 66.
What is the largest hail ever recorded in South Dakota?
8.0″ (grapefruit), recorded in Lyman County on July 23, 2010. See it at true size on the actual-size hail chart.
When is hail season in South Dakota?
Recorded events peak in June. The by-month chart on this page shows the full seasonal shape — and each county page carries its own, since timing shifts across the state.
How do I check hail history for my address in South Dakota?
Storm Events records events at the county level, so pick your county below or use the ZIP lookup. For "did it hail on this date" claim questions, the date lookup searches every recorded South Dakota event.
Source: NOAA/NCEI Storm Events Database, public domain. Each county page shows the full event timeline, month profile, and storm-report narratives.