Hail history for Summit, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Summit since 1991, with preliminary reports to November 5, 2026.
Readout · Summit
- Last hail
- Jul 10, 2018
- 1.00 in, quarter size
- Hail days, last 5 years
- 0
- since Nov 5, 2021 · 0 reports
- Largest ever
- 1.75 in
- golf ball · Jul 10, 2010
15 reports on 12 days since 1991 · #201 of 305 South Dakota places
Hail map · Summit
- 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 Summit is from July 10, 2018. 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 Summit
The latest hail report in and around Summit is from July 10, 2018, 1.00 in (quarter size). There has been no hail report here in the five years since November 5, 2021.
Over the 20 years 2006–2025, Summit logged 7 reports on 7 hail days, about 0.3 reports a year. That is 22% less than the median South Dakota town on this site (0.5 a year) and ranks #201 of 305 South Dakota cities and towns on this site for all-time reports. Summit accounts for 11% of the 133 reports filed in Roberts 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 10, 2010 near 0.49 W Summit.
The busiest year was 2003, with 4 reports on 2 days. Hail here peaks in June (40% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Summit 0.3
- Roberts County 3.0
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Summit 7
- Roberts County 36
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Summit 0%
- Roberts County 7%
- 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 | 1 | 1 | |||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 10, 2010 | 1.75 ingolf ball | 0.49 W Summit | Roberts | 18:00 local · NCEI |
| Jul 17, 2015 | 1.25 inhalf dollar | 0.49 W Summit | Roberts | 19:28 local · NCEI |
| Jun 10, 2007 | 1.25 inhalf dollar | 1.46 W Summit | Roberts | 15:50 local · NCEI |
| Jul 10, 2018 | 1.00 inquarter | 0.49 W Summit | Roberts | 04:30 local · NCEI |
| Aug 10, 2016 | 1.00 inquarter | 1.61 WNW Summit | Roberts | 17:00 local · NCEI |
Size of every report
- Under 1 in 6 40%
- 1–2 in 9 60%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 10, 2018 | 1.00 inquarter | 0.49 W Summit | Roberts | 04:30 local · NCEI |
| Aug 28, 2016 | 0.75 inpenny | 1.69 NW Summit | Roberts | 02:30 local · NCEI |
| Aug 10, 2016 | 1.00 inquarter | 1.61 WNW Summit | Roberts | 17:00 local · NCEI |
| Jul 17, 2015 | 1.25 inhalf dollar | 0.49 W Summit | Roberts | 19:28 local · NCEI |
| Oct 2, 2013 | 1.00 inquarter | 7.78 W Marvin | Grant | 13:38 local · NCEI |
| Jul 10, 2010 | 1.75 ingolf ball | 0.49 W Summit | Roberts | 18:00 local · NCEI |
| Jun 10, 2007 | 1.25 inhalf dollar | 1.46 W Summit | Roberts | 15:50 local · NCEI |
| May 8, 2005 | 1.00 inquarter | 10 W Barnard | Brown | 15:10 local · NCEI |
| Jun 24, 2003 | 1.00 inquarter | Summit | Roberts | 14:35 local · NCEI |
| Jun 24, 2003 | 1.00 inquarter | 6 NW Marvin | Grant | 14:30 local · NCEI |
| Jun 5, 2003 | 0.88 innickel | 6 W Marvin | Grant | 15:25 local · NCEI |
| Jun 5, 2003 | 0.75 inpenny | 2 N Summit | Roberts | 15:10 local · NCEI |
Hail history near Summit
Questions about hail in Summit
How often does it hail in Summit, South Dakota?
15 hail reports have been logged in and within about 5 km (3 miles) of Summit since 1991. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #201 of 305 South Dakota places by number of reports.
When is hail season in Summit?
Most reports come in June, May, July. June alone accounts for 40% of all reports.
What is the largest hail recorded in Summit?
1.75 in (golf ball size) on July 10, 2010 near 0.49 W Summit. 0% of reports here were 2 inches or larger.
When did it last hail in Summit?
The most recent report in this data is from July 10, 2018 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 5, 2026.
How many hail storms has Summit had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Summit since November 5, 2021. The last one was on July 10, 2018.
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.