Hail history for Porcupine, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Porcupine since 1996, with preliminary reports to November 3, 2026.
Readout · Porcupine
- Last hail
- Aug 14, 2017
- 1.00 in, quarter size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 1.75 in
- golf ball · Jul 3, 2016
12 reports on 10 days since 1996 · #247 of 305 South Dakota places
Hail map · Porcupine
- 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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Send a request to Moxisync Labs for review. The latest hail report in Porcupine is from August 14, 2017. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.
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What the record says about Porcupine
The latest hail report in and around Porcupine is from August 14, 2017, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Porcupine logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median South Dakota town on this site (0.5 a year) and ranks #247 of 305 South Dakota cities and towns on this site for all-time reports. Porcupine accounts for 3% of the 354 reports filed in Oglala Lakota County.
0% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median South Dakota town on this site. The largest hail on record here is 1.75 in (golf ball) on July 3, 2016 near Porcupine.
The busiest year was 2017, with 3 reports on 2 days. Hail here peaks in August (42% of reports); 33% fall between April and June.
Reports a year 2006–2025 average
- Porcupine 0.3
- Oglala Lakota County 11.5
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Porcupine 5
- Oglala Lakota County 127
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Porcupine 0%
- Oglala Lakota County 11%
- Median South Dakota town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 2 | 3 |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 3, 2016 | 1.75 ingolf ball | Porcupine | Oglala Lakota | — | 18:30 local · NCEI |
| Jun 20, 2015 | 1.75 ingolf ball | Porcupine | Oglala Lakota | $50K | 23:15 local · NCEI |
| Aug 2, 2004 | 1.75 ingolf ball | Porcupine | Oglala Lakota | — | 18:30 local · NCEI |
| Sep 2, 1996 | 1.75 ingolf ball | 7 N Porcupine | Oglala Lakota | — | 14:05 local · NCEI |
| Aug 14, 2017 | 1.50 inping pong ball | 2 NNW Porcupine | Oglala Lakota | — | 18:40 local · NCEI |
Size of every report
- Under 1 in 2 17%
- 1–2 in 10 83%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Aug 14, 2017 | 1.00 inquarter | 2 S Porcupine | Oglala Lakota | — | 19:56 local · NCEI |
| Aug 14, 2017 | 1.50 inping pong ball | 2 NNW Porcupine | Oglala Lakota | — | 18:40 local · NCEI |
| Jun 27, 2017 | 1.00 inquarter | Porcupine | Oglala Lakota | — | 16:27 local · NCEI |
| Jul 3, 2016 | 1.75 ingolf ball | Porcupine | Oglala Lakota | — | 18:30 local · NCEI |
| Jun 20, 2015 | 1.75 ingolf ball | Porcupine | Oglala Lakota | $50K | 23:15 local · NCEI |
| Aug 4, 2008 | 0.75 inpenny | Porcupine | Oglala Lakota | — | 23:24 local · NCEI |
| May 6, 2005 | 1.00 inquarter | Porcupine | Oglala Lakota | — | 15:40 local · NCEI |
| Aug 2, 2004 | 1.75 ingolf ball | Porcupine | Oglala Lakota | — | 18:30 local · NCEI |
| Aug 21, 2002 | 1.50 inping pong ball | Porcupine | Oglala Lakota | — | 21:15 local · NCEI |
| Jun 5, 1999 | 1.25 inhalf dollar | 12 SW Kyle | Oglala Lakota | — | 18:10 local · NCEI |
| Sep 2, 1996 | 0.75 inpenny | Porcupine | Oglala Lakota | — | 14:10 local · NCEI |
| Sep 2, 1996 | 1.75 ingolf ball | 7 N Porcupine | Oglala Lakota | — | 14:05 local · NCEI |
Hail history near Porcupine
- Manderson-White Horse Creek 13 km · 18
- Wounded Knee 14 km · 14
- Kyle 21 km · 23
- Batesland 25 km · 14
- Oglala 32 km · 39
- Pine Ridge 32 km · 37
- Allen 33 km · 10
- Martin 50 km · 35
Questions about hail in Porcupine
How often does it hail in Porcupine, South Dakota?
12 hail reports have been logged in and within about 5 km (3 miles) of Porcupine since 1996. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #247 of 305 South Dakota places by number of reports.
When is hail season in Porcupine?
Most reports come in August, June, September. August alone accounts for 42% of all reports.
What is the largest hail recorded in Porcupine?
1.75 in (golf ball size) on July 3, 2016 near Porcupine. 0% of reports here were 2 inches or larger.
When did it last hail in Porcupine?
The most recent report in this data is from August 14, 2017 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Porcupine had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Porcupine since November 3, 2021. The last one was on August 14, 2017.
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.