Hail history for Selby, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Selby since 1990, with preliminary reports to November 3, 2026.
Readout · Selby
- Last hail
- Jul 7, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 2.50 in
- tennis ball · Aug 4, 2000
30 reports on 22 days since 1990 · #54 of 305 South Dakota places
Hail map · Selby
- 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 Selby
The latest hail report in and around Selby is from July 7, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on July 7, 2026.
Over the 20 years 2006–2025, Selby logged 21 reports on 14 hail days, about 1.1 reports a year. That is about twice the median South Dakota town on this site (0.5 a year) and ranks #54 of 305 South Dakota cities and towns on this site for all-time reports. Selby accounts for 17% of the 181 reports filed in Walworth County.
3% 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 2.50 in (tennis ball) on August 4, 2000 near Selby.
Reports were down 60% in 2016–2025 (6) compared with 2006–2015 (15). The busiest year was 2012, with 9 reports on 2 days. Hail here peaks in August (47% of reports); 30% fall between April and June.
Reports a year 2006–2025 average
- Selby 1.1
- Walworth County 5.7
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Selby 14
- Walworth County 50
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Selby 3%
- Walworth County 8%
- 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 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 7, 2026 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 4, 2000 | 2.50 intennis ball | Selby | Walworth | 20:00 local · NCEI |
| Aug 3, 2012 | 1.75 ingolf ball | Selby | Walworth | 14:34 local · NCEI |
| Oct 6, 2007 | 1.75 ingolf ball | Selby | Walworth | 20:05 local · NCEI |
| Jun 3, 2000 | 1.75 ingolf ball | Selby | Walworth | 12:16 local · NCEI |
| Jul 6, 1992 | 1.75 ingolf ball | — | Walworth | 05:50 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 6 20%
- 1–2 in 23 77%
- 2 in + 1 3%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 7, 2026 | 1.00 inquarter | Selby | Walworth | 19:52 local · NCEI |
| Aug 28, 2021 | 1.00 inquarter | 3.59 NNE Selby | Walworth | 00:56 local · NCEI |
| Jul 4, 2020 | 1.00 inquarter | 3.12 NNE Selby | Walworth | 19:32 local · NCEI |
| Aug 6, 2019 | 1.00 inquarter | 3.37 NE Selby | Walworth | 18:18 local · NCEI |
| Sep 2, 2018 | 1.00 inquarter | 0.69 N Selby | Walworth | 00:20 local · NCEI |
| Jul 19, 2017 | 1.00 inquarter | Selby | Walworth | 08:21 local · NCEI |
| May 30, 2016 | 1.00 inquarter | 0.69 N Selby Arpt | Walworth | 17:53 local · NCEI |
| Jun 18, 2014 | 0.75 inpenny | 2.71 NNW Selby | Walworth | 14:45 local · NCEI |
| Aug 3, 2012 | 1.00 inquarter | 0.69 N Selby | Walworth | 15:00 local · NCEI |
| Aug 3, 2012 | 1.25 inhalf dollar | 2.52 WSW Java Jct | Walworth | 15:00 local · NCEI |
| Aug 3, 2012 | 1.75 ingolf ball | Selby | Walworth | 14:34 local · NCEI |
| Aug 3, 2012 | 1.00 inquarter | Selby | Walworth | 14:30 local · NCEI |
Hail history near Selby
Questions about hail in Selby
How often does it hail in Selby, South Dakota?
30 hail reports have been logged in and within about 5 km (3 miles) of Selby since 1990. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #54 of 305 South Dakota places by number of reports.
When is hail season in Selby?
Most reports come in August, May, July. August alone accounts for 47% of all reports.
What is the largest hail recorded in Selby?
2.50 in (tennis ball size) on August 4, 2000 near Selby. 3% of reports here were 2 inches or larger.
When did it last hail in Selby?
The most recent report in this data is from July 7, 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 Selby had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was July 7, 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.