Hail history for Woonsocket, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Woonsocket since 1978, with preliminary reports to November 3, 2026.
Readout · Woonsocket
- Last hail
- Jul 20, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 4.00 in
- grapefruit · May 28, 1991
33 reports on 26 days since 1978 · #44 of 305 South Dakota places
Hail map · Woonsocket
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Woonsocket is from July 20, 2025. A local roofer can check and document it at no cost.
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What the record says about Woonsocket
The latest hail report in and around Woonsocket is from July 20, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.50 in on July 20, 2025.
Over the 20 years 2006–2025, Woonsocket logged 11 reports on 9 hail days, about 0.6 reports a year. That is 22% more than the median South Dakota town on this site (0.5 a year) and ranks #44 of 305 South Dakota cities and towns on this site for all-time reports. Woonsocket accounts for 26% of the 129 reports filed in Sanborn County.
15% 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 4.00 in (grapefruit) on May 28, 1991.
Reports were down 63% in 2016–2025 (3) compared with 2006–2015 (8). The busiest year was 2003, with 3 reports on 2 days. Hail here peaks in July (33% of reports); 39% fall between April and June.
Reports a year 2006–2025 average
- Woonsocket 0.6
- Sanborn County 2.5
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Woonsocket 9
- Sanborn County 34
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Woonsocket 15%
- Sanborn County 12%
- 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 | 2 | 2 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 20, 2025 | 2 | 1.50 in | — |
| Jul 3, 2023 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 28, 1991 | 4.00 ingrapefruit | — | Sanborn | —1 injured | 16:25 local · NCEI |
| Apr 21, 2007 | 2.75 inbaseball | 1 S Woonsocket | Sanborn | — | 19:09 local · NCEI |
| Jun 24, 1978 | 2.50 intennis ball | — | Sanborn | — | 19:50 local · NCEI |
| Jul 17, 1985 | 2.00 inhen egg | — | Sanborn | — | 15:30 local · NCEI |
| Jul 17, 1985 | 2.00 inhen egg | — | Sanborn | — | 15:15 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 11 33%
- 1–2 in 17 52%
- 2 in + 5 15%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 20, 2025 | 1.00 inquarter | 0.69 N Woonsocket | Sanborn | 14:05 local · NCEI |
| Jul 20, 2025 | 1.50 inping pong ball | 0.69 N Woonsocket | Sanborn | 14:04 local · NCEI |
| Jul 3, 2023 | 0.75 inpenny | 2.76 S Woonsocket | Sanborn | 21:03 local · NCEI |
| Aug 9, 2015 | 1.50 inping pong ball | 0.85 SW Woonsocket | Sanborn | 16:39 local · NCEI |
| Sep 3, 2012 | 0.88 innickel | 3.06 WSW Woonsocket | Sanborn | 18:45 local · NCEI |
| May 8, 2011 | 1.75 ingolf ball | Woonsocket | Sanborn | 21:18 local · NCEI |
| Jul 13, 2009 | 1.00 inquarter | 2.1 WSW Woonsocket | Sanborn | 17:50 local · NCEI |
| Mar 22, 2009 | 0.75 inpenny | Woonsocket | Sanborn | 09:20 local · NCEI |
| Apr 21, 2007 | 2.75 inbaseball | 1 S Woonsocket | Sanborn | 19:09 local · NCEI |
| Jun 5, 2006 | 1.75 ingolf ball | Woonsocket | Sanborn | 15:35 local · NCEI |
| Jun 5, 2006 | 1.75 ingolf ball | 2 N Woonsocket | Sanborn | 15:28 local · NCEI |
| Aug 3, 2005 | 1.50 inping pong ball | Woonsocket | Sanborn | 16:45 local · NCEI |
Hail history near Woonsocket
- Alpena 16 km · 16
- Letcher 20 km · 15
- Wessington Springs 24 km · 26
- Artesian 28 km · 11
- Virgil 29 km · 13
- Loomis 32 km · 17
- Huron 35 km · 71
- Mount Vernon 38 km · 16
Questions about hail in Woonsocket
How often does it hail in Woonsocket, South Dakota?
33 hail reports have been logged in and within about 5 km (3 miles) of Woonsocket since 1978. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #44 of 305 South Dakota places by number of reports.
When is hail season in Woonsocket?
Most reports come in July, June, August. July alone accounts for 33% of all reports.
What is the largest hail recorded in Woonsocket?
4.00 in (grapefruit size) on May 28, 1991. 15% of reports here were 2 inches or larger.
When did it last hail in Woonsocket?
The most recent report in this data is from July 20, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Woonsocket had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was July 20, 2025.
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.