Hail history for Ferney, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Ferney since 1985, with preliminary reports to November 3, 2026.
Readout · Ferney
- Last hail
- Aug 28, 2021
- 2.75 in, baseball size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 2.75 in
- baseball · Aug 28, 2021
12 reports on 12 days since 1985 · #241 of 305 South Dakota places
Hail map · Ferney
- 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 Ferney is from August 28, 2021. A local roofer can check and document it at no cost.
What the record says about Ferney
The latest hail report in and around Ferney is from August 28, 2021, 2.75 in (baseball size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Ferney logged 4 reports on 4 hail days, about 0.2 reports a year. That is about half the median South Dakota town on this site (0.5 a year) and ranks #241 of 305 South Dakota cities and towns on this site for all-time reports. Ferney accounts for 3% of the 445 reports filed in Brown 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 28, 2021 near 2.45 SSE Ferney.
The busiest year was 2015, with 2 reports on 2 days. Hail here peaks in June (33% of reports); 42% fall between April and June.
Reports a year 2006–2025 average
- Ferney 0.2
- Brown County 11.4
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Ferney 4
- Brown County 84
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Ferney 8%
- Brown County 7%
- 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 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 28, 2021 | 2.75 inbaseball | 2.45 SSE Ferney | Brown | 04:13 local · NCEI |
| Jul 17, 2015 | 1.25 inhalf dollar | 2.07 N Ferney | Brown | 17:48 local · NCEI |
| Jun 22, 2015 | 1.00 inquarter | 2.38 NE Ferney | Brown | 00:10 local · NCEI |
| Aug 28, 2002 | 1.00 inquarter | 8 S Groton | Brown | 15:25 local · NCEI |
| Jun 4, 2006 | 0.75 inpenny | 3 E Ferney | Brown | 20:20 local · NCEI |
Size of every report
- Under 1 in 8 67%
- 1–2 in 3 25%
- 2 in + 1 8%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 28, 2021 | 2.75 inbaseball | 2.45 SSE Ferney | Brown | 04:13 local · NCEI |
| Jul 17, 2015 | 1.25 inhalf dollar | 2.07 N Ferney | Brown | 17:48 local · NCEI |
| Jun 22, 2015 | 1.00 inquarter | 2.38 NE Ferney | Brown | 00:10 local · NCEI |
| Jun 4, 2006 | 0.75 inpenny | 3 E Ferney | Brown | 20:20 local · NCEI |
| Jul 21, 2004 | 0.75 inpenny | 4 N Ferney | Brown | 15:05 local · NCEI |
| Aug 28, 2002 | 1.00 inquarter | 8 S Groton | Brown | 15:25 local · NCEI |
| Jun 8, 1999 | 0.75 inpenny | Ferney | Brown | 23:30 local · NCEI |
| Sep 6, 1992 | 0.75 inpenny | — | Brown | 18:19 local · NCEI |
| Jun 19, 1991 | 0.75 inpenny | — | Brown | 15:10 local · NCEI |
| Apr 26, 1991 | 0.75 inpenny | — | Brown | 17:45 local · NCEI |
| Jul 7, 1990 | 0.75 inpenny | — | Brown | 22:00 local · NCEI |
| Aug 16, 1985 | 0.75 inpenny | — | Brown | 20:55 local · NCEI |
Hail history near Ferney
Questions about hail in Ferney
How often does it hail in Ferney, South Dakota?
12 hail reports have been logged in and within about 5 km (3 miles) of Ferney since 1985. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #241 of 305 South Dakota places by number of reports.
When is hail season in Ferney?
Most reports come in June, July, August. June alone accounts for 33% of all reports.
What is the largest hail recorded in Ferney?
2.75 in (baseball size) on August 28, 2021 near 2.45 SSE Ferney. 8% of reports here were 2 inches or larger.
When did it last hail in Ferney?
The most recent report in this data is from August 28, 2021 (2.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Ferney had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Ferney since November 3, 2021. The last one was on August 28, 2021.
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.