Hail history for Mound City, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Mound City since 1983, with preliminary reports to November 3, 2026.
Readout · Mound City
- Last hail
- Aug 8, 2026
- 1.25 in, half dollar size · preliminary
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.75 in
- baseball · Aug 3, 1985
12 reports on 12 days since 1983 · #245 of 305 South Dakota places
Hail map · Mound City
- 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 Mound City is from August 8, 2026. 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 Mound City
The latest hail report in and around Mound City is from August 8, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.25 in on August 8, 2026.
Over the 20 years 2006–2025, Mound City 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 #245 of 305 South Dakota cities and towns on this site for all-time reports. Mound City accounts for 9% of the 139 reports filed in Campbell County.
8% 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 2.75 in (baseball) on August 3, 1985.
The busiest year was 2008, with 2 reports on 2 days. Hail here peaks in June (25% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Mound City 0.3
- Campbell County 4.3
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Mound City 7
- Campbell County 54
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Mound City 8%
- Campbell County 5%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 8, 2026 | 1 | 1.25 in | View |
| Apr 23, 2022 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 3, 1985 | 2.75 inbaseball | — | Campbell | 15:40 local · NCEI |
| Jun 28, 1989 | 1.75 ingolf ball | — | Campbell | 19:20 local · NCEI |
| Aug 8, 2026 | 1.25 inhalf dollar | 3 NE Mound City | Campbell | 04:43 UTC · NWS prelim. |
| May 22, 2016 | 1.00 inquarter | 0.69 N Mound City | Campbell | 17:34 local · NCEI |
| Aug 26, 2008 | 1.00 inquarter | 1.6 ESE Mound City | Campbell | 21:00 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 5 42%
- 1–2 in 6 50%
- 2 in + 1 8%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 8, 2026 | 1.25 inhalf dollar | 3 NE Mound City | Campbell | 04:43 UTC · NWS prelim. |
| Apr 23, 2022 | 0.88 innickel | 3.56 NE Mound City | Campbell | 14:20 local · NCEI |
| May 22, 2016 | 1.00 inquarter | 0.69 N Mound City | Campbell | 17:34 local · NCEI |
| Jul 23, 2015 | 0.88 innickel | 0.69 N Mound City | Campbell | 19:25 local · NCEI |
| Aug 26, 2008 | 1.00 inquarter | 1.6 ESE Mound City | Campbell | 21:00 local · NCEI |
| Jul 10, 2008 | 0.88 innickel | 0.69 S Mound City | Campbell | 20:39 local · NCEI |
| Oct 6, 2007 | 0.88 innickel | 0.69 N Mound City | Campbell | 20:25 local · NCEI |
| May 28, 2007 | 0.88 innickel | 0.69 N Mound City | Campbell | 22:00 local · NCEI |
| Jun 9, 2001 | 1.00 inquarter | Mound City | Campbell | 21:05 local · NCEI |
| Jun 28, 1989 | 1.75 ingolf ball | — | Campbell | 19:20 local · NCEI |
| Aug 3, 1985 | 2.75 inbaseball | — | Campbell | 15:40 local · NCEI |
| Jun 21, 1983 | 1.00 inquarter | — | Campbell | 19:00 local · NCEI |
Hail history near Mound City
Questions about hail in Mound City
How often does it hail in Mound City, South Dakota?
12 hail reports have been logged in and within about 5 km (3 miles) of Mound City since 1983. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #245 of 305 South Dakota places by number of reports.
When is hail season in Mound City?
Most reports come in June, August, May. June alone accounts for 25% of all reports.
What is the largest hail recorded in Mound City?
2.75 in (baseball size) on August 3, 1985. 8% of reports here were 2 inches or larger.
When did it last hail in Mound City?
The most recent report in this data is from August 8, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mound City had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was August 8, 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.