Butte County was hit as recently as 2026-07-03, 28 days ago. Butte County is hit in most years, and usually several times over. The largest stone on record here is 6 inches and 6 times the National Weather Service's 1 inch severe criterion, reported on 2015-06-19 near Nisland.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in South Dakota. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-07-03, around Newell. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Butte County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 74 separate hail days here since 2010 -- 4.4 a year over 17 years of record. Those days carry 155 separate reports between them, two or three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2013, with 10 hail days. The last five years track the long-run rate, with 17 days since 2022.
15 of the 74 days reached 2 inches or more -- 20%, or about one hail day in 5, the last on 2025-06-28. They land in the same month as everything else, June. 30 of the 74 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of South Dakota, see the South Dakota hail map and history.
Reports cluster nearest Newell -- 21 of the county's 74 hail days -- then Belle Fourche (17), Hoover (15), Castle Rock (12) and Nisland (9). Beyond those, NOAA names Vale, Downtown Belle Four, Fruitdale, Belle Fourche Res, Downtown Belle Fourche, Belle Fourche Re, Belle Fourche Rese, Mud Butte and Downtown Belle Fou on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Newell | 6 | 2.75″ |
| Belle Fourche | 6 | 1.75″ |
| Nisland | 4 | 4.50″ |
| Downtown Belle Fourche | 4 | 2.50″ |
| Vale | 4 | 2.50″ |
The season runs June through August: 62 of the 74 hail days on record fall in those 3 months (84%). June is the single busiest month, with 26 of them (35%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in May and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 8 |
| June | 26 |
| July | 18 |
| August | 18 |
| September | 4 |
That day put 1 report on the map, the biggest 1 inch near Newell. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-03 | 1.00″ | 1 |
| 2025-09-11 | 1.00″ | 1 |
| 2025-08-06 | 1.00″ | 1 |
| 2025-08-04 | 1.50″ | 1 |
| 2025-07-26 | 1.00″ | 1 |
| 2025-06-28 | 2.50″ | 5 |
| 2025-06-15 | 1.50″ | 2 |
| 2024-05-29 | 1.50″ | 3 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 6 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own, over the state line included: Lawrence County (121 hail days), Meade County (151), Pennington County (224) and Crook County, Wyoming (123). Every one of them takes more hail than Butte County.
Lawrence County · Meade County · Pennington County · Crook County, Wyoming
Back to the South Dakota hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Butte County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.