Jerauld County, South Dakota Hail Map & History
Jerauld County was hit as recently as 2026-09-04, 10 days ago. Jerauld County is hit in most years. The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2022-04-22 near Wessington Sprin.
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 2026-09-04, around Wessington Springs. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Jerauld 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 ->How often it hails in Jerauld County
NOAA's Storm Prediction Center has logged 20 separate hail days here since 2010 -- 1.2 a year over 17 years of record. Those days carry 40 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 2012, with 3 hail days. The last five years track the long-run rate, with 5 days since 2022.
Most hail here stays under 2 inches: only 1 of the 20 days on record passed it, 5%, the last on 2022-04-22. Those big days do not follow the county's usual calendar: most of them fall in April, not July. 8 of the 20 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of South Dakota, see the South Dakota hail map and history.
Hardest-hit places in Jerauld County
Reports cluster nearest Wessington Springs -- 14 of the county's 20 hail days -- then Lane (5), Wessington Spring (4), Wessington Sprin (3) and Alpena (2). That one town is named on 70% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| 8 W Wessington Springs | 5 | 1.50″ |
| Wessington Springs | 4 | 1.75″ |
| 11 Sw Wessington Spring | 2 | 1.75″ |
| 14 Wsw Wessington Sprin | 1 | 2.00″ |
| 12 Sw Wessington Spring | 1 | 1.75″ |
When it hails in Jerauld County
The season runs June through September: 16 of the 20 hail days on record fall in those 4 months (80%). July is the single busiest month, with 5 of them (25%). That peak sits inside the window rather than at either end. Hail has also been reported in April, May and October, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| April | 1 |
| May | 2 |
| June | 4 |
| July | 5 |
| August | 4 |
| September | 3 |
| October | 1 |
Recent Jerauld County hail days
That day put 1 report on the map, the biggest 1 inch near Wessington Springs. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-09-04 | 1.00″ | 1 |
| 2026-06-04 | 1.00″ | 1 |
| 2025-08-15 | 1.75″ | 1 |
| 2023-07-30 | 1.25″ | 2 |
| 2022-04-22 | 2.00″ | 5 |
| 2021-10-09 | 1.75″ | 5 |
| 2020-08-30 | 1.50″ | 3 |
| 2018-08-04 | 1.75″ | 2 |
How to read the Jerauld County map
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 inches, which is the purple band. Look up a street address with the hail history by address tool.
Nearby counties
The nearest counties with a page of their own: Buffalo County (17 hail days), Aurora County (31) and Sanborn County (17). Jerauld County sits in between.
Buffalo County · Aurora County · Sanborn County
Back to the South Dakota hail map or the U.S. hail map.
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Jerauld County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.