Perkins County, South Dakota Hail Map & History

Perkins County was hit as recently as 2026-08-23, 22 days ago. Perkins County is hit in most years, and usually several times over. The largest stone on record here is 4.5 inches, a softball and 4.5 times the National Weather Service's 1 inch severe criterion, reported on 2026-08-10 near Prairie City.

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in South Dakota. Radar-indicated, not a guarantee of damage.

How often it hails in Perkins County

NOAA's Storm Prediction Center has logged 83 separate hail days here since 2010 -- 4.9 a year over 17 years of record. Those days carry 185 separate reports between them, two or three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2016, with 10 hail days. The last five years have been quieter than the long run: 16 days since 2022, against 5.6 a year before that.

14 of the 83 days reached 2 inches or more -- 17%, or about one hail day in 6, the last on 2026-08-10. They land in the same month as everything else, July. 31 of the 83 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 Perkins County

Reports cluster nearest Usta -- 24 of the county's 83 hail days -- then Bison (23), Lodgepole (20), Prairie City (14) and Meadow (14). Beyond those, NOAA names Shadehill, Lemmon, White Butte, Zeona, Ralph, Faith, Sorum and Maurine on more than one hail day apiece.

When it hails in Perkins County

The season runs June through August: 73 of the 83 hail days on record fall in those 3 months (88%). July is the single busiest month, with 33 of them (40%). That peak sits inside the window rather than at either end. Hail has also been reported in May and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.

Recent Perkins County hail days

That day put 4 reports on the map, the biggest 1.5 inches near Prairie City. 3 hail days have already been reported this year.

How to read the Perkins 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 4.5 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, over the state line included: Ziebach County (34 hail days), Harding County (86), Corson County (50) and Adams County, North Dakota (42). Perkins County sits in between.

Ziebach County · Harding County · Corson County · Adams County, North Dakota

Back to the South Dakota hail map or the U.S. hail map.

FAQ

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Perkins County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.