The most recent reported hail day was 2025-06-19 -- 1 year ago, with nothing reported since. Clark County is hit in most years. 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 2010-07-17 near Clark.
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 2025-06-19, around Clark. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Clark 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 32 separate hail days here since 2010 -- 1.9 a year over 17 years of record. They carry 47 reports in total: most hail days here are logged from a single spot. 3 of those 17 years produced none at all. The busiest single year was 2011, with 4 hail days. The last five years track the long-run rate, with 9 days since 2022.
Most hail here stays under 2 inches: only 2 of the 32 days on record passed it, 6%, the last on 2016-07-16. They land in the same month as everything else, July. 9 of the 32 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 Clark -- 8 of the county's 32 hail days -- then Willow Lake (7), Garden City (5), Carpenter (4) and Naples (3). Beyond those, NOAA names Raymond, Bradley, Crocker and Fordham Colony on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Clark | 3 | 2.75″ |
| Garden City | 3 | 1.75″ |
| Naples | 2 | 1.75″ |
| Willow Lake | 2 | 1.00″ |
| 5 S Clark | 1 | 2.50″ |
The season runs May through July: 28 of the 32 hail days on record fall in those 3 months (88%). July is the single busiest month, with 11 of them (34%). That peak closes the window: the season builds all the way to its worst month and then stops. Hail has also been reported in August and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 7 |
| June | 10 |
| July | 11 |
| August | 2 |
| September | 2 |
That day put 1 report on the map, the biggest 1 inch near Clark. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-06-19 | 1.00″ | 1 |
| 2024-08-04 | 1.75″ | 1 |
| 2024-07-06 | 1.00″ | 1 |
| 2024-06-02 | 1.75″ | 5 |
| 2023-07-25 | 1.00″ | 1 |
| 2023-07-13 | 1.25″ | 3 |
| 2022-06-29 | 1.00″ | 1 |
| 2022-05-11 | 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 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: Codington County (38 hail days), Hamlin County (30) and Kingsbury County (23). Clark County sits in between.
Codington County · Hamlin County · Kingsbury 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, Clark County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.