Hail history for Riverside Colony, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Riverside Colony since 1965, with preliminary reports to November 3, 2026.
Readout · Riverside Colony
- Last hail
- Jun 4, 2026
- 0.88 in, nickel size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.00 in
- hen egg · Jul 15, 1965
10 reports on 9 days since 1965 · #302 of 305 South Dakota places
Hail map · Riverside Colony
- 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 Riverside Colony is from June 4, 2026. A local roofer can check and document it at no cost.
What the record says about Riverside Colony
The latest hail report in and around Riverside Colony is from June 4, 2026, 0.88 in (nickel size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 0.88 in on June 4, 2026.
Over the 20 years 2006–2025, Riverside Colony logged 6 reports on 6 hail days, about 0.3 reports a year. That is 33% less than the median South Dakota town on this site (0.5 a year) and ranks #302 of 305 South Dakota cities and towns on this site for all-time reports. Riverside Colony accounts for 3% of the 297 reports filed in Beadle County.
10% 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 2.00 in (hen egg) on July 15, 1965.
The busiest year was 2026, with 2 reports on 1 day. Hail here peaks in June (40% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Riverside Colony 0.3
- Beadle County 7.3
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Riverside Colony 6
- Beadle County 61
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Riverside Colony 10%
- Beadle 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 | 2 | 2 | |||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 4, 2026 | 2 | 0.88 in | — |
| Apr 28, 2025 | 1 | 0.88 in | — |
| May 12, 2022 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 15, 1965 | 2.00 inhen egg | — | Beadle | 17:30 local · NCEI |
| Jun 14, 2021 | 1.00 inquarter | 6.27 NNE (Hon)huron Arpt | Beadle | 00:05 local · NCEI |
| Jul 17, 2017 | 1.00 inquarter | 6.27 NNE (Hon)huron Arpt | Beadle | 16:25 local · NCEI |
| Jun 4, 2026 | 0.88 innickel | 6.27 NNE (Hon)huron Arpt | Beadle | 13:19 local · NCEI |
| Apr 28, 2025 | 0.88 innickel | 6.27 NNE (Hon)huron Arpt | Beadle | 02:09 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 7 70%
- 1–2 in 2 20%
- 2 in + 1 10%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 4, 2026 | 0.88 innickel | 6.27 NNE (Hon)huron Arpt | Beadle | 13:19 local · NCEI |
| Jun 4, 2026 | 0.75 inpenny | 7.96 NNE (Hon)huron Arpt | Beadle | 13:14 local · NCEI |
| Apr 28, 2025 | 0.88 innickel | 6.27 NNE (Hon)huron Arpt | Beadle | 02:09 local · NCEI |
| May 12, 2022 | 0.88 innickel | 6.05 NNE (Hon)huron Arpt | Beadle | 16:10 local · NCEI |
| Jun 14, 2021 | 1.00 inquarter | 6.27 NNE (Hon)huron Arpt | Beadle | 00:05 local · NCEI |
| May 8, 2018 | 0.75 inpenny | 6.27 NNE (Hon)huron Arpt | Beadle | 18:07 local · NCEI |
| Jul 17, 2017 | 1.00 inquarter | 6.27 NNE (Hon)huron Arpt | Beadle | 16:25 local · NCEI |
| Jul 7, 2009 | 0.75 inpenny | 6.53 WNW Yale | Beadle | 18:42 local · NCEI |
| Jun 15, 2004 | 0.88 innickel | 7 NW Yale | Beadle | 15:10 local · NCEI |
| Jul 15, 1965 | 2.00 inhen egg | — | Beadle | 17:30 local · NCEI |
Hail history near Riverside Colony
Questions about hail in Riverside Colony
How often does it hail in Riverside Colony, South Dakota?
10 hail reports have been logged in and within about 5 km (3 miles) of Riverside Colony since 1965. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #302 of 305 South Dakota places by number of reports.
When is hail season in Riverside Colony?
Most reports come in June, July, May. June alone accounts for 40% of all reports.
What is the largest hail recorded in Riverside Colony?
2.00 in (hen egg size) on July 15, 1965. 10% of reports here were 2 inches or larger.
When did it last hail in Riverside Colony?
The most recent report in this data is from June 4, 2026 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Riverside Colony had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was June 4, 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.