Hail history for Flandreau, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Flandreau since 1959, with preliminary reports to November 3, 2026.
Readout · Flandreau
- Last hail
- May 24, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.00 in
- hen egg · Apr 28, 2022
17 reports on 16 days since 1959 · #155 of 305 South Dakota places
Hail map · Flandreau
- 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 Flandreau
The latest hail report in and around Flandreau is from May 24, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.00 in on April 28, 2022.
Over the 20 years 2006–2025, Flandreau logged 5 reports on 4 hail days, about 0.3 reports a year. That is 44% less than the median South Dakota town on this site (0.5 a year) and ranks #155 of 305 South Dakota cities and towns on this site for all-time reports. Flandreau accounts for 14% of the 123 reports filed in Moody County.
12% 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 April 28, 2022 near 2.94 NNW Flandreau.
The busiest year was 2017, with 2 reports on 1 day. Hail here peaks in June (41% of reports); 71% fall between April and June.
Reports a year 2006–2025 average
- Flandreau 0.3
- Moody County 2.4
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Flandreau 4
- Moody County 28
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Flandreau 12%
- Moody 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 24, 2026 | 1 | 1.00 in | — |
| Apr 28, 2022 | 1 | 2.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 28, 2022 | 2.00 inhen egg | 2.94 NNW Flandreau | Moody | — | 16:12 local · NCEI |
| Jun 19, 1996 | 2.00 inhen egg | Flandreau | Moody | $200K | 14:40 local · NCEI |
| Jun 28, 1984 | 1.75 ingolf ball | — | Moody | — | 10:30 local · NCEI |
| May 24, 2026 | 1.00 inquarter | 0.99 W Flandreau | Moody | — | 18:52 local · NCEI |
| Jun 11, 2017 | 1.00 inquarter | 0.99 W Flandreau | Moody | — | 05:23 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 8 47%
- 1–2 in 7 41%
- 2 in + 2 12%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 24, 2026 | 1.00 inquarter | 0.99 W Flandreau | Moody | 18:52 local · NCEI |
| Apr 28, 2022 | 2.00 inhen egg | 2.94 NNW Flandreau | Moody | 16:12 local · NCEI |
| Jun 11, 2017 | 1.00 inquarter | 0.99 W Flandreau | Moody | 05:23 local · NCEI |
| Jun 11, 2017 | 1.00 inquarter | 0.99 W Flandreau | Moody | 05:20 local · NCEI |
| Aug 27, 2007 | 0.88 innickel | Flandreau | Moody | 23:07 local · NCEI |
| Sep 16, 2006 | 0.75 inpenny | 1 W Flandreau | Moody | 17:02 local · NCEI |
| May 8, 2005 | 1.00 inquarter | 3 NW Flandreau | Moody | 15:20 local · NCEI |
| Jul 20, 2004 | 0.75 inpenny | 2 N Flandreau | Moody | 20:07 local · NCEI |
| Apr 17, 2004 | 1.00 inquarter | Flandreau | Moody | 23:55 local · NCEI |
| Aug 3, 2002 | 0.75 inpenny | Flandreau | Moody | 15:47 local · NCEI |
| Jun 12, 2001 | 0.75 inpenny | Flandreau | Moody | 23:20 local · NCEI |
| Oct 16, 1998 | 0.75 inpenny | Flandreau | Moody | 02:15 local · NCEI |
Hail history near Flandreau
Questions about hail in Flandreau
How often does it hail in Flandreau, South Dakota?
17 hail reports have been logged in and within about 5 km (3 miles) of Flandreau since 1959. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #155 of 305 South Dakota places by number of reports.
When is hail season in Flandreau?
Most reports come in June, May, April. June alone accounts for 41% of all reports.
What is the largest hail recorded in Flandreau?
2.00 in (hen egg size) on April 28, 2022 near 2.94 NNW Flandreau. 12% of reports here were 2 inches or larger.
When did it last hail in Flandreau?
The most recent report in this data is from May 24, 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 Flandreau had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was May 24, 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.