The most recent reported hail day was 2024-08-28 -- 1 year ago, with nothing reported since. Campbell 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 2022-06-23 near Herreid.
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 2024-08-28, around Pollock. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Campbell 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 28 separate hail days here since 2010 -- 1.6 a year over 17 years of record. They carry 41 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 2016, with 5 hail days. The last five years have been quieter than the long run: 2 days since 2022, against 2.2 a year before that.
Most hail here stays under 2 inches: only 1 of the 28 days on record passed it, 4%, the last on 2022-06-23. They land in the same month as everything else, June. 11 of the 28 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 Herreid -- 7 of the county's 28 hail days -- then Eureka (5), Pollock (5), Artas (4) and Glenham (3). Beyond those, NOAA names Java and Mound City on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Herreid | 3 | 2.00″ |
| Pollock | 3 | 1.00″ |
| 6 Ne Glenham | 2 | 1.25″ |
| 10 Wsw Eureka | 2 | 1.00″ |
| 1 S Artas | 1 | 1.75″ |
The season runs May through August: 25 of the 28 hail days on record fall in those 4 months (89%). June is the single busiest month, with 9 of them (32%). 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 | 3 |
| June | 9 |
| July | 6 |
| August | 7 |
| September | 2 |
That day put 3 reports on the map, the biggest 1.75 inches near Pollock. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2024-08-28 | 1.75″ | 3 |
| 2022-06-23 | 2.00″ | 1 |
| 2020-06-07 | 1.75″ | 1 |
| 2019-07-16 | 1.25″ | 2 |
| 2018-09-09 | 1.00″ | 2 |
| 2018-06-10 | 1.00″ | 1 |
| 2016-09-04 | 1.75″ | 1 |
| 2016-08-30 | 1.75″ | 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 2 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: Walworth County (39 hail days), McPherson County (42), Edmunds County (42), Emmons County, North Dakota (29) and McIntosh County, North Dakota (30). Every one of them takes more hail than Campbell County.
Walworth County · McPherson County · Edmunds County · Emmons County, North Dakota · McIntosh County, North Dakota
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, Campbell County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.