Hail history for Brookings County, South Dakota
Every NOAA hail report filed in Brookings County since 1961, with preliminary National Weather Service reports to November 3, 2026.
Readout · Brookings County
- Last hail
- Sep 11, 2026
- 1.50 in, ping pong ball size · preliminary
- Hail days, last 5 years
- 12
- since Nov 3, 2021 · 19 reports
- Largest ever
- 4.50 in
- softball · Jul 28, 1986
165 reports on 101 days since 1961 · #46 of 67 South Dakota counties
Hail map · Brookings County
- 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 Brookings County is from September 11, 2026. A local roofer can check and document it at no cost.
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What the record says about Brookings County
The latest hail report in Brookings County is from September 11, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 12 separate hail days; the biggest stones in that time were 1.75 in on July 13, 2023.
Over the 20 years 2006–2025, Brookings County logged 81 reports on 48 hail days, about 4.0 reports a year. That is 26% less than the median South Dakota county (5.5 a year) and ranks #46 of 67 South Dakota counties for all-time reports. Brookings County holds 1% of all 17,223 hail reports in South Dakota.
6% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median South Dakota county. The largest hail on record here is 4.50 in (softball) on July 28, 1986.
Reports were down 24% in 2016–2025 (35) compared with 2006–2015 (46). The busiest year was 2004, with 17 reports on 7 days. Hail here peaks in July (29% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Brookings County 4.0
- Median South Dakota county 5.5
Hail days 2006–2025
- Brookings County 48
- Median South Dakota county 54
Share 2 in or larger of sized reports
- Brookings County 6%
- Median South Dakota county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 1 | 2 | 3 | ||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 4 | 1 | 5 | ||||||||||
| 2022 | 2 | 1 | 5 | 8 | |||||||||
| 2021 | 3 | 3 | |||||||||||
| 2020 | 1 | 2 | 3 | ||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 4 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 11, 2026 | 1 | 1.50 in | View |
| Jun 9, 2026 | 1 | 1.00 in | — |
| Aug 5, 2025 | 2 | 1.00 in | — |
| Jun 19, 2025 | 1 | 1.00 in | — |
| Jun 2, 2024 | 1 | 1.00 in | — |
| Sep 29, 2023 | 1 | 1.00 in | — |
| Jul 19, 2023 | 2 | 1.25 in | — |
| Jul 13, 2023 | 2 | 1.75 in | — |
| Jun 20, 2022 | 5 | 1.50 in | — |
| May 9, 2022 | 1 | 0.88 in | — |
| Apr 28, 2022 | 1 | 1.00 in | — |
| Apr 12, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 28, 1986 | 4.50 insoftball | — | — | 15:30 local · NCEI |
| Jun 18, 2012 | 3.00 inteacup | 2.07 N Volga | — | 23:45 local · NCEI |
| Aug 29, 2001 | 2.75 inbaseball | Bushnell | — | 17:52 local · NCEI |
| Jul 11, 2000 | 2.75 inbaseball | 8 SW Brookings | $200K | 16:55 local · NCEI |
| May 28, 1991 | 2.75 inbaseball | — | — | 17:45 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 65 40%
- 1–2 in 89 54%
- 2 in + 10 6%
- No size 1
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 11, 2026 | 1.50 inping pong ball | 6 NNE White | 00:03 UTC · NWS prelim. |
| Jun 9, 2026 | 1.00 inquarter | 0.49 W Aurora | 23:18 local · NCEI |
| Aug 5, 2025 | 0.75 inpenny | 2.13 NNW Medary | 23:37 local · NCEI |
| Aug 5, 2025 | 1.00 inquarter | 1.21 SE Medary | 21:34 local · NCEI |
| Jun 19, 2025 | 1.00 inquarter | 6.05 NNW Bruce | 23:06 local · NCEI |
| Jun 2, 2024 | 1.00 inquarter | 11.74 WNW Bruce | 20:07 local · NCEI |
| Sep 29, 2023 | 1.00 inquarter | Elkton | 15:19 local · NCEI |
| Jul 19, 2023 | 1.25 inhalf dollar | 9.42 NE White | 14:15 local · NCEI |
| Jul 19, 2023 | 1.00 inquarter | 0.85 NW Bruce | 13:50 local · NCEI |
| Jul 13, 2023 | 1.75 ingolf ball | 2.94 SSW Sinai | 16:35 local · NCEI |
| Jul 13, 2023 | 1.50 inping pong ball | 4.34 WSW Sinai | 16:30 local · NCEI |
| Jun 20, 2022 | 1.50 inping pong ball | 0.85 NE Brookings | 17:33 local · NCEI |
Cities and towns in Brookings County
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Sinai | 9 | 9 | Jul 13, 2023 |
| Astoria | 7 | 6 | Jul 19, 2023 |
| Bruce | 7 | 7 | Jul 19, 2023 |
| Spring Lake Colony | 4 | 4 | Jul 13, 2023 |
| Aurora | 3 | 2 | Jun 9, 2026 |
| Bushnell | 3 | 3 | Apr 28, 2022 |
| Newdale Colony | 2 | 2 | Jun 18, 2009 |
| Rolland Colony | 1 | 1 | Apr 17, 2004 |
Questions about hail in Brookings County
How often does it hail in Brookings County, South Dakota?
165 hail reports have been logged in Brookings County since 1961. Over the 20 years 2006–2025 that averages 4.0 reports a year. That ranks #46 of 67 South Dakota counties by number of reports.
When is hail season in Brookings County?
Most reports come in July, June, May. July alone accounts for 29% of all reports.
What is the largest hail recorded in Brookings County?
4.50 in (softball size) on July 28, 1986. 6% of reports here were 2 inches or larger.
When did it last hail in Brookings County?
The most recent report in this data is from September 11, 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 Brookings County had in the last five years?
12 separate days with hail reports since November 3, 2021, adding up to 19 reports. The most recent was September 11, 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.