Oglala Lakota County was hit as recently as 2026-07-03, 28 days ago. Oglala Lakota County is hit in most years, often more than once. The largest stone on record here is 3.25 inches and 3.2 times the National Weather Service's 1 inch severe criterion, reported on 2018-07-27 near Oglala.
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 2026-07-03, around Red Shirt. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Oglala Lakota 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 ->NOAA's Storm Prediction Center has logged 53 separate hail days here since 2010 -- 3.1 a year over 17 years of record. Those days carry 106 separate reports between them, two or three on a typical one. 6 of those 17 years produced none at all. The busiest single year was 2023, with 8 hail days. The last five years have run hotter than the long-run rate: 23 days since 2022, against 2.5 a year before that.
10 of the 53 days reached 2 inches or more -- 19%, or about one hail day in 5, the last on 2025-04-27. They land in the same month as everything else, July. 20 of the 53 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 Oglala -- 14 of the county's 53 hail days -- then Rockyford (12), Kyle (11), Sharps Corner (10) and Porcupine (8). Beyond those, NOAA names Manderson, Batesland, Pine Ridge, Wounded Knee and Red Shirt on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| 5 E Porcupine | 6 | 1.75″ |
| Sharps Corner | 4 | 2.75″ |
| 6 SE Oglala | 3 | 3.25″ |
| 3 Ene Kyle | 3 | 2.00″ |
| Kyle | 3 | 2.00″ |
The season runs June through August: 46 of the 53 hail days on record fall in those 3 months (87%). July is the single busiest month, with 20 of them (38%). That peak sits inside the window rather than at either end. Hail has also been reported in April, May 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 | 4 |
| June | 13 |
| July | 20 |
| August | 13 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Red Shirt. 5 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-03 | 1.00″ | 1 |
| 2026-06-27 | 1.00″ | 1 |
| 2026-06-22 | 1.50″ | 1 |
| 2026-06-02 | 1.50″ | 3 |
| 2026-05-30 | 1.50″ | 2 |
| 2025-08-04 | 1.50″ | 1 |
| 2025-07-05 | 1.50″ | 1 |
| 2025-06-29 | 1.75″ | 2 |
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 3.25 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: Shannon County (30 hail days), Bennett County (50), Jackson County (63) and Sheridan County, Nebraska (110). Oglala Lakota County sits in between.
Shannon County · Bennett County · Jackson County · Sheridan County, Nebraska
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, Oglala Lakota County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.