Turner County was hit as recently as 2026-05-31, 61 days ago. Turner County is hit in most years. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2017-06-12 near Mayfield.
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 Hurley. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Turner 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 26 separate hail days here since 2010 -- 1.5 a year over 17 years of record. They carry 43 reports in total: most hail days here are logged from a single spot. 5 of those 17 years produced none at all. The busiest single year was 2026, with 3 hail days. The last five years track the long-run rate, with 9 days since 2022.
No stone of 2 inches or more has ever been reported in Turner County: all 26 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 4 of the 26 days.
Across the whole of South Dakota, see the South Dakota hail map and history.
Reports cluster nearest Hurley -- 6 of the county's 26 hail days -- then Freeman (5), Parker (5), Centerville (3) and Davis (3). Beyond those, NOAA names Viborg, Marion, Mayfield, Monroe and Lennox on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Hurley | 3 | 1.75″ |
| Parker | 3 | 1.75″ |
| Viborg | 2 | 1.00″ |
| 2 N Chancellor | 1 | 1.75″ |
| 6 Sse Marion | 1 | 1.75″ |
The season runs May through August: 22 of the 26 hail days on record fall in those 4 months (85%). May is the single busiest month, with 7 of them (27%). That peak opens the window: the season starts at its worst and eases off from there. 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 | 2 |
| May | 7 |
| June | 5 |
| July | 4 |
| August | 6 |
| September | 2 |
That day put 3 reports on the map, the biggest 1 inch near Hurley. 3 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-05-31 | 1.00″ | 3 |
| 2026-05-24 | 1.00″ | 1 |
| 2026-05-17 | 1.00″ | 2 |
| 2024-05-30 | 1.00″ | 1 |
| 2023-08-10 | 1.25″ | 1 |
| 2023-07-22 | 1.00″ | 2 |
| 2023-07-10 | 1.00″ | 3 |
| 2022-07-21 | 1.00″ | 1 |
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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Lincoln County (32 hail days), Yankton County (37) and Clay County (25). Turner County sits in between.
Lincoln County · Yankton County · Clay 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, Turner County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.