Hail history for Alcester, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Alcester since 1959, with preliminary reports to November 3, 2026.
Readout · Alcester
- Last hail
- Oct 8, 2026
- 1.50 in, ping pong ball size · preliminary
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Sep 22, 2010
21 reports on 18 days since 1959 · #106 of 305 South Dakota places
Hail map · Alcester
- 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 Alcester
The latest hail report in and around Alcester is from October 8, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.50 in on October 8, 2026.
Over the 20 years 2006–2025, Alcester logged 7 reports on 6 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 #106 of 305 South Dakota cities and towns on this site for all-time reports. Alcester accounts for 13% of the 162 reports filed in Union 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 September 22, 2010 near 1.47 SSE Alcester.
The busiest year was 2004, with 4 reports on 3 days. Hail here peaks in May (33% of reports); 57% fall between April and June.
Reports a year 2006–2025 average
- Alcester 0.3
- Union County 2.9
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Alcester 6
- Union County 44
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Alcester 0%
- Union County 4%
- 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 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Oct 8, 2026 | 1 | 1.50 in | View |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Sep 22, 2010 | 1.75 ingolf ball | 1.47 SSE Alcester | Union | 11:00 local · NCEI |
| Sep 3, 1980 | 1.75 ingolf ball | — | Union | 17:35 local · NCEI |
| Jul 19, 1962 | 1.75 ingolf ball | — | Union | 19:30 local · NCEI |
| May 3, 1959 | 1.75 ingolf ball | — | Union | 20:15 local · NCEI |
| Oct 8, 2026 | 1.50 inping pong ball | Alcester | Union | 05:32 UTC · NWS prelim. |
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 12 57%
- 1–2 in 9 43%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Oct 8, 2026 | 1.50 inping pong ball | Alcester | Union | 05:32 UTC · NWS prelim. |
| May 31, 2019 | 0.88 innickel | 1.01 E Alcester | Union | 17:47 local · NCEI |
| Jun 1, 2011 | 1.50 inping pong ball | 2.45 SE Alcester | Union | 17:10 local · NCEI |
| Sep 22, 2010 | 1.75 ingolf ball | 1.47 SSE Alcester | Union | 11:00 local · NCEI |
| Jun 26, 2008 | 0.88 innickel | 1.01 E Alcester | Union | 04:35 local · NCEI |
| Sep 30, 2007 | 0.75 inpenny | 3 N Alcester | Union | 15:05 local · NCEI |
| Sep 30, 2007 | 1.00 inquarter | 2 NW Alcester | Union | 14:50 local · NCEI |
| Jun 21, 2007 | 0.88 innickel | 2 SE Alcester | Union | 12:40 local · NCEI |
| May 26, 2005 | 0.75 inpenny | Alcester | Union | 16:30 local · NCEI |
| May 10, 2005 | 1.00 inquarter | 2 SE Alcester | Union | 21:56 local · NCEI |
| May 10, 2005 | 1.00 inquarter | Alcester | Union | 21:41 local · NCEI |
| Aug 23, 2004 | 0.88 innickel | Alcester | Union | 16:17 local · NCEI |
Hail history near Alcester
- Beresford 14 km · 15
- Hudson 18 km · 10
- Centerville 29 km · 12
- Canton 31 km · 20
- Worthing 35 km · 17
- Burbank 36 km · 19
- Vermillion 37 km · 49
- Elk Point 39 km · 30
Questions about hail in Alcester
How often does it hail in Alcester, South Dakota?
21 hail reports have been logged in and within about 5 km (3 miles) of Alcester since 1959. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #106 of 305 South Dakota places by number of reports.
When is hail season in Alcester?
Most reports come in May, June, September. May alone accounts for 33% of all reports.
What is the largest hail recorded in Alcester?
1.75 in (golf ball size) on September 22, 2010 near 1.47 SSE Alcester. 0% of reports here were 2 inches or larger.
When did it last hail in Alcester?
The most recent report in this data is from October 8, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Alcester 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 October 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.