Hail history for Oglala Lakota County, South Dakota
Every NOAA hail report filed in Oglala Lakota County since 1980, with preliminary National Weather Service reports to November 3, 2026.
Readout · Oglala Lakota County
- Last hail
- Aug 21, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 33
- since Nov 3, 2021 · 69 reports
- Largest ever
- 4.25 in
- grapefruit · Aug 17, 2014
354 reports on 190 days since 1980 · #9 of 67 South Dakota counties
Hail map · Oglala Lakota County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Oglala Lakota County
The latest hail report in Oglala Lakota County is from August 21, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 33 separate hail days; the biggest stones in that time were 4.00 in on August 11, 2026.
Over the 20 years 2006–2025, Oglala Lakota County logged 230 reports on 127 hail days, about 11.5 reports a year. That is about twice the median South Dakota county (5.5 a year) and ranks #9 of 67 South Dakota counties for all-time reports. Oglala Lakota County holds 2% of all 17,223 hail reports in South Dakota.
11% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median South Dakota county. The largest hail on record here is 4.25 in (grapefruit) on August 17, 2014 near Oglala.
Reports were down 17% in 2016–2025 (104) compared with 2006–2015 (126). The busiest year was 2026, with 28 reports on 10 days. Hail here peaks in June (34% of reports); 52% fall between April and June.
Reports a year 2006–2025 average
- Oglala Lakota County 11.5
- Median South Dakota county 5.5
Hail days 2006–2025
- Oglala Lakota County 127
- Median South Dakota county 54
Share 2 in or larger of sized reports
- Oglala Lakota County 11%
- Median South Dakota county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 12 | 1 | 13 | 28 | ||||||||
| 2025 | 4 | 2 | 3 | 1 | 10 | ||||||||
| 2024 | 1 | 4 | 1 | 2 | 8 | ||||||||
| 2023 | 1 | 2 | 8 | 5 | 16 | ||||||||
| 2022 | 4 | 3 | 7 | ||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 8 | 1 | 10 | |||||||||
| 2019 | 2 | 11 | 4 | 17 | |||||||||
| 2018 | 5 | 1 | 9 | 3 | 18 | ||||||||
| 2017 | 3 | 1 | 6 | 10 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 21, 2026 | 1 | 1.00 in | View |
| Aug 16, 2026 | 1 | 1.00 in | View |
| Aug 11, 2026 | 11 | 4.00 in | View |
| Jul 3, 2026 | 1 | 1.00 in | — |
| Jun 29, 2026 | 5 | 2.50 in | — |
| Jun 28, 2026 | 2 | 1.50 in | — |
| Jun 27, 2026 | 1 | 1.00 in | — |
| Jun 22, 2026 | 1 | 1.50 in | — |
| Jun 2, 2026 | 3 | 1.50 in | — |
| May 30, 2026 | 2 | 1.50 in | — |
| Aug 4, 2025 | 1 | 1.50 in | — |
| Jul 21, 2025 | 1 | 0.75 in | — |
| Jul 6, 2025 | 1 | 1.50 in | — |
| Jul 1, 2025 | 1 | 0.88 in | — |
| Jun 29, 2025 | 2 | 1.75 in | — |
| Apr 27, 2025 | 4 | 2.00 in | — |
| Aug 26, 2024 | 1 | 1.00 in | — |
| Aug 11, 2024 | 1 | 1.00 in | — |
| Jul 3, 2024 | 1 | 1.00 in | — |
| Jun 1, 2024 | 4 | 2.50 in | — |
| Apr 25, 2024 | 1 | 0.88 in | — |
| Aug 13, 2023 | 1 | 1.00 in | — |
| Aug 12, 2023 | 3 | 2.00 in | — |
| Aug 7, 2023 | 1 | 1.00 in | — |
| Jul 30, 2023 | 1 | 1.25 in | — |
| Jul 23, 2023 | 1 | 0.88 in | — |
| Jul 18, 2023 | 3 | 1.75 in | — |
| Jul 13, 2023 | 3 | 1.00 in | — |
| Jun 27, 2023 | 1 | 1.00 in | — |
| Jun 23, 2023 | 1 | 1.50 in | — |
| May 30, 2023 | 1 | 1.50 in | — |
| Jun 6, 2022 | 3 | 1.75 in | — |
| Apr 22, 2022 | 4 | 2.50 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 17, 2014 | 4.25 ingrapefruit | Oglala | $100K | 16:24 local · NCEI |
| Aug 11, 2026 | 4.00 ingrapefruit | 6 NW Oglala | — | 23:48 UTC · NWS prelim. |
| Jun 4, 1999 | 4.00 ingrapefruit | 2 W Oglala | — | 17:35 local · NCEI |
| Aug 11, 2026 | 3.90 inteacup | 7 NNW Oglala | — | 23:42 UTC · NWS prelim. |
| Jul 27, 2018 | 3.25 inteacup | 6 SE Oglala | — | 18:46 local · NCEI |
Size of every report
- Under 1 in 81 23%
- 1–2 in 233 66%
- 2 in + 40 11%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 21, 2026 | 1.00 inquarter | 13 W Oglala | 22:30 UTC · NWS prelim. |
| Aug 16, 2026 | 1.00 inquarter | 2 ENE Kyle | 01:06 UTC · NWS prelim. |
| Aug 11, 2026 | 2.75 inbaseball | 1 S Oglala | 23:57 UTC · NWS prelim. |
| Aug 11, 2026 | 3.00 inteacup | Oglala | 23:54 UTC · NWS prelim. |
| Aug 11, 2026 | 1.50 inping pong ball | 1 S Oglala | 23:53 UTC · NWS prelim. |
| Aug 11, 2026 | 4.00 ingrapefruit | 6 NW Oglala | 23:48 UTC · NWS prelim. |
| Aug 11, 2026 | 3.90 inteacup | 7 NNW Oglala | 23:42 UTC · NWS prelim. |
| Aug 11, 2026 | 2.75 inbaseball | 1 S Pine Ridge | 00:26 UTC · NWS prelim. |
| Aug 11, 2026 | 3.00 inteacup | 1 SSE Pine Ridge | 00:20 UTC · NWS prelim. |
| Aug 11, 2026 | 2.75 inbaseball | 1 W Pine Ridge | 00:19 UTC · NWS prelim. |
| Aug 11, 2026 | 3.00 inteacup | Pine Ridge | 00:18 UTC · NWS prelim. |
| Aug 11, 2026 | 2.75 inbaseball | 4 NNW Pine Ridge | 00:14 UTC · NWS prelim. |
Cities and towns in Oglala Lakota County
| Place | Reports | Largest |
|---|---|---|
| Oglala | 39 | 4.25 in |
| Pine Ridge | 37 | 3.00 in |
| Kyle | 23 | 2.00 in |
| Manderson-White Horse Creek | 18 | 3.00 in |
| Batesland | 14 | 2.75 in |
| Wounded Knee | 14 | 2.75 in |
| Porcupine | 12 | 1.75 in |
Questions about hail in Oglala Lakota County
How often does it hail in Oglala Lakota County, South Dakota?
354 hail reports have been logged in Oglala Lakota County since 1980. Over the 20 years 2006–2025 that averages 11.5 reports a year. That ranks #9 of 67 South Dakota counties by number of reports.
When is hail season in Oglala Lakota County?
Most reports come in June, July, August. June alone accounts for 34% of all reports.
What is the largest hail recorded in Oglala Lakota County?
4.25 in (grapefruit size) on August 17, 2014 near Oglala. 11% of reports here were 2 inches or larger.
When did it last hail in Oglala Lakota County?
The most recent report in this data is from August 21, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Oglala Lakota County had in the last five years?
33 separate days with hail reports since November 3, 2021, adding up to 69 reports. The most recent was August 21, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.