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Wind in Brown County, South Dakota
481 damaging wind events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Thunderstorm Wind, High Wind, Strong Wind.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 481 wind events in Brown County, South Dakota, between 1950 and 2026, spread over 62 years.
July is the busiest month, with 146 of the recorded events. The last 20 years account for 300 events against 118 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 2.7% of the 18,009 wind events recorded in South Dakota; its 28.1 per 100 square miles compares with 23.8 statewide.
NCEI attributes 2 deaths in the county to damaging wind.
417 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 85 reached hurricane force (74 mph).
Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.
Compared with South Dakota
| Measure | Brown County | South Dakota | US |
|---|---|---|---|
| Wind events since 1950 | 481 | 18,009 | 701,953 |
| Per 100 square miles | 28.1 | 23.8 | 19.9 |
| Per 10,000 residents | 126.2 | 201.1 | 21.1 |
| Deaths recorded | 2 | 16 | 2,166 |
| Busiest month | July | July | June |
By year
Seasonality
5Feb
6Mar
5Apr
18May
33Jun
137Jul
146Aug
90Sep
16Oct
10Nov
10Dec
5
Magnitude distribution
NWS wind thresholds
- under 58 mph
- below severe threshold
- 58–73 mph
- severe
- 74–95 mph
- hurricane-force
- 96 mph and over
- extreme
Wind speed converted from the knots NCEI records; estimated and measured gusts are combined. Events without a speed are not binned.
Recorded events
The 140 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 481. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 29 Jun 2026 | High Wind | 87 mph | — | — | — | — | Forecast zone |
| 29 Jun 2026 | High Wind | 68 mph | — | — | — | — | Forecast zone |
| 29 Jun 2026 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 29 Jun 2026 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 28 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 27 Jun 2026 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 15 Jun 2026 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 78 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 3 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 3 Jun 2026 | Thunderstorm Wind | 84 mph | — | — | — | — | County |
| 3 Jun 2026 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 14 May 2026 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 8 Apr 2026 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 12 Mar 2026 | High Wind | 71 mph | — | — | — | — | Forecast zone |
| 16 Jan 2026 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 18 Dec 2025 | High Wind | 66 mph | — | — | — | — | Forecast zone |
| 9 Dec 2025 | High Wind | 74 mph | — | — | — | — | Forecast zone |
| 9 Sep 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 Aug 2025 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 17 Aug 2025 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 15 Aug 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Aug 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Aug 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Aug 2025 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 5 Aug 2025 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 5 Aug 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 22 Jul 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 21 Jul 2025 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 14 Jul 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jul 2025 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 4 Jul 2025 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 29 Jun 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 15 May 2025 | Strong Wind | 55 mph | — | — | — | — | Forecast zone |
| 11 May 2025 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 20 Nov 2024 | Strong Wind | 56 mph | — | — | — | — | Forecast zone |
| 19 Nov 2024 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 31 Jul 2024 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 9 Jul 2024 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Jun 2024 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 2 Jun 2024 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 23 May 2024 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 May 2024 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 May 2024 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 May 2024 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 May 2024 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 15 Apr 2024 | High Wind | 72 mph | — | — | — | — | Forecast zone |
| 6 Apr 2024 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 9 Aug 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Jul 2023 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 1 Jun 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 19 Apr 2023 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 14 Feb 2023 | High Wind | 62 mph | — | — | — | — | Forecast zone |
| 6 Nov 2022 | High Wind | 66 mph | — | — | — | — | Forecast zone |
| 15 Sep 2022 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 3 Jul 2022 | Thunderstorm Wind | 68 mph | — | — | — | — | County |
| 3 Jul 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 24 Jun 2022 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 20 Jun 2022 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 20 Jun 2022 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 14 Jun 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 14 Jun 2022 | Thunderstorm Wind | 120 mph | — | — | — | — | County |
| 14 Jun 2022 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 14 Jun 2022 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 14 Jun 2022 | Thunderstorm Wind | 130 mph | — | — | — | — | County |
| 13 Jun 2022 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 13 May 2022 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 12 May 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 12 May 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 23 Apr 2022 | High Wind | 62 mph | — | — | — | — | Forecast zone |
| 14 Apr 2022 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 6 Apr 2022 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 18 Feb 2022 | High Wind | 62 mph | — | — | — | — | Forecast zone |
| 1 Feb 2022 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 18 Jan 2022 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 15 Dec 2021 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 13 Nov 2021 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 12 Nov 2021 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 20 Sep 2021 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 28 Aug 2021 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 26 Aug 2021 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 23 Aug 2021 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 Aug 2021 | Thunderstorm Wind | 91 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 87 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 79 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 86 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 22 Aug 2021 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 7 Aug 2021 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 7 Aug 2021 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 23 Jul 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Jun 2021 | Thunderstorm Wind | 68 mph | — | — | — | — | County |
| 11 Jun 2021 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 11 Jun 2021 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 May 2021 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 23 May 2021 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 May 2021 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 May 2021 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 29 Mar 2021 | High Wind | 62 mph | — | — | — | — | Forecast zone |
| 14 Jan 2021 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 23 Dec 2020 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 8 Nov 2020 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 25 Jul 2020 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 25 Jul 2020 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 24 Jul 2020 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 17 Jul 2020 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 17 Jul 2020 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 17 Jul 2020 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 5 Jul 2020 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 4 Jul 2020 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 3 Jul 2020 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 17 Jun 2020 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 18 Jul 1994 | Thunderstorm Wind | 78 mph | $5K | — | — | — | County |
| 17 May 1994 | Thunderstorm Wind | 0 mph | $500 | — | — | — | County |
| 24 Sep 1986 | Thunderstorm Wind | 0 mph | — | — | 2 | 5 | County |
Questions and answers
How many wind events has Brown County had?
481 events in the NCEI Storm Events record between 1950 and 2026. Reporting of damaging wind became far more complete after 1996, so early decades undercount.
When was the last recorded wind event in Brown County?
29 Jun 2026 (Thunderstorm Wind, 64 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Brown County?
The thunderstorm wind of 18 Jul 1994, with property damage estimated by NCEI at $5K.
How does Brown County compare with South Dakota for wind?
28.1 events per 100 square miles against 23.8 statewide; the county holds 481 of the state's 18,009 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 30 Sep 2026. See the methodology, the Wind hub and the county page.