Edmunds County was hit as recently as 2026-05-31, 61 days ago. Edmunds County is hit in most years, often more than once. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2025-08-05 near Bowdle.
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 2026-05-31, around Roscoe. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Edmunds County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 42 separate hail days here since 2010 -- 2.5 a year over 17 years of record. Those days carry 105 separate reports between them, two or three on a typical one. 3 of those 17 years produced none at all. The busiest single year was 2016, with 6 hail days. The last five years track the long-run rate, with 9 days since 2022.
6 of the 42 days reached 2 inches or more -- 14%, or about one hail day in 7, the last on 2025-08-05. Those big days do not follow the county's usual calendar: most of them fall in August, not July. 13 of the 42 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 Roscoe -- 13 of the county's 42 hail days -- then Bowdle (8), Loyalton (8), Hosmer (6) and Pembrook Colony (6). Beyond those, NOAA names Tolstoy, Ipswich, Mina, Hoven, Cravens Corner, Hillsview and Deerfield Colony on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Hosmer | 4 | 2.00″ |
| Ipswich | 3 | 1.25″ |
| 10 S Bowdle | 2 | 2.75″ |
| 7 Wsw Roscoe | 2 | 2.00″ |
| 5 Nne Loyalton | 2 | 1.75″ |
The season runs May through August: 39 of the 42 hail days on record fall in those 4 months (93%). July is the single busiest month, with 13 of them (31%). That peak sits inside the window rather than at either end. Hail has also been reported in April and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| April | 1 |
| May | 6 |
| June | 9 |
| July | 13 |
| August | 11 |
| September | 2 |
That day put 2 reports on the map, the biggest 1 inch near Roscoe. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-05-31 | 1.00″ | 2 |
| 2025-08-05 | 2.75″ | 4 |
| 2025-07-28 | 1.50″ | 2 |
| 2025-07-20 | 1.00″ | 1 |
| 2025-06-19 | 2.00″ | 5 |
| 2022-08-05 | 1.25″ | 1 |
| 2022-07-21 | 1.00″ | 3 |
| 2022-06-13 | 1.00″ | 2 |
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 2.75 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: McPherson County (42 hail days), Faulk County (30) and Walworth County (39). Edmunds County sits in between.
McPherson County · Faulk County · Walworth County
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, Edmunds County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.