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Wind in Gregory County, South Dakota
194 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.
Gregory County, South Dakota, has 194 wind events in the NCEI record since 1950, with at least one in 41 different years.
August is the busiest month, with 39 of the recorded events. The last 20 years account for 148 events against 38 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 18,009 wind events recorded in South Dakota; its 19.1 per 100 square miles compares with 23.8 statewide.
160 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 20 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 | Gregory County | South Dakota | US |
|---|---|---|---|
| Wind events since 1950 | 194 | 18,009 | 701,953 |
| Per 100 square miles | 19.1 | 23.8 | 19.9 |
| Per 10,000 residents | 487.8 | 201.1 | 21.1 |
| Deaths recorded | 0 | 16 | 2,166 |
| Busiest month | August | July | June |
By year
Seasonality
8Feb
8Mar
7Apr
12May
21Jun
35Jul
32Aug
39Sep
5Oct
9Nov
6Dec
12
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
All 194 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 28 Jun 2026 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 28 Jun 2026 | Thunderstorm Wind | 86 mph | — | — | — | — | County |
| 28 Jun 2026 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 27 Jun 2026 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 9 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 May 2026 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 17 May 2026 | Thunderstorm Wind | 76 mph | — | — | — | — | County |
| 17 May 2026 | Thunderstorm Wind | 78 mph | — | — | — | — | County |
| 14 May 2026 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 28 Mar 2026 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 15 Mar 2026 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 12 Mar 2026 | High Wind | 72 mph | — | — | — | — | Forecast zone |
| 17 Feb 2026 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 17 Feb 2026 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 21 Jan 2026 | High Wind | 68 mph | — | — | — | — | Forecast zone |
| 16 Jan 2026 | High Wind | 71 mph | — | — | — | — | Forecast zone |
| 28 Dec 2025 | High Wind | 66 mph | — | — | — | — | Forecast zone |
| 18 Dec 2025 | High Wind | 82 mph | — | — | — | — | Forecast zone |
| 9 Dec 2025 | High Wind | 70 mph | — | — | — | — | Forecast zone |
| 25 Nov 2025 | High Wind | 75 mph | — | — | — | — | Forecast zone |
| 4 Sep 2025 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 17 Aug 2025 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 16 Aug 2025 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 16 Aug 2025 | Thunderstorm Wind | 68 mph | — | — | — | — | County |
| 13 Aug 2025 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 13 Aug 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 15 Jul 2025 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 15 Jul 2025 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 15 Jul 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 15 Jul 2025 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 27 Jun 2025 | Thunderstorm Wind | 77 mph | — | — | — | — | County |
| 19 May 2025 | Strong Wind | 56 mph | — | — | — | — | Forecast zone |
| 16 May 2025 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 14 May 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 21 Apr 2025 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 14 Apr 2025 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 14 Mar 2025 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 28 Feb 2025 | Strong Wind | 49 mph | — | — | — | — | Forecast zone |
| 19 Dec 2024 | High Wind | 68 mph | — | — | — | — | Forecast zone |
| 9 Dec 2024 | Strong Wind | 55 mph | — | — | — | — | Forecast zone |
| 4 Dec 2024 | Strong Wind | 47 mph | — | — | — | — | Forecast zone |
| 20 Nov 2024 | High Wind | 71 mph | — | — | — | — | Forecast zone |
| 12 Sep 2024 | Strong Wind | 54 mph | — | — | — | — | Forecast zone |
| 25 Aug 2024 | Thunderstorm Wind | 83 mph | — | — | — | — | County |
| 25 Aug 2024 | Thunderstorm Wind | 85 mph | — | — | — | — | County |
| 29 Jul 2024 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 14 Jul 2024 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 14 Jul 2024 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 14 Jul 2024 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 21 May 2024 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 6 Mar 2024 | Strong Wind | 53 mph | — | — | — | — | Forecast zone |
| 21 Jan 2024 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 8 Dec 2023 | Strong Wind | 51 mph | — | — | — | — | Forecast zone |
| 4 Dec 2023 | Strong Wind | 49 mph | — | — | — | — | Forecast zone |
| 17 Oct 2023 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 12 Oct 2023 | Strong Wind | 52 mph | — | — | — | — | Forecast zone |
| 18 Jul 2023 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 14 Jul 2023 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 14 Feb 2023 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 13 Oct 2022 | High Wind | 62 mph | — | $47K | — | — | Forecast zone |
| 5 Jul 2022 | Thunderstorm Wind | 63 mph | — | $37K | — | — | County |
| 5 Jul 2022 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 12 Jun 2022 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 30 May 2022 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 30 May 2022 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 29 May 2022 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 12 May 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 30 Apr 2022 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 24 Apr 2022 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 22 Apr 2022 | High Wind | 71 mph | — | $47K | — | — | Forecast zone |
| 12 Apr 2022 | High Wind | 66 mph | — | — | — | — | Forecast zone |
| 7 Apr 2022 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 5 Apr 2022 | High Wind | 69 mph | — | — | — | — | Forecast zone |
| 25 Mar 2022 | Strong Wind | 55 mph | — | — | — | — | Forecast zone |
| 4 Jan 2022 | High Wind | 70 mph | — | — | — | — | Forecast zone |
| 15 Dec 2021 | High Wind | 74 mph | — | — | — | — | Forecast zone |
| 5 Dec 2021 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 13 Nov 2021 | High Wind | 71 mph | — | — | — | — | Forecast zone |
| 11 Nov 2021 | High Wind | 74 mph | — | — | — | — | Forecast zone |
| 16 Sep 2021 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 23 Jun 2021 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 14 Jan 2021 | High Wind | 74 mph | — | — | — | — | Forecast zone |
| 10 Aug 2020 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 10 Aug 2020 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 8 Aug 2020 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Jul 2020 | Thunderstorm Wind | 68 mph | — | — | — | — | County |
| 7 Jul 2020 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 3 Jul 2020 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 9 Aug 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 9 Aug 2019 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 6 Aug 2019 | Thunderstorm Wind | 101 mph | $40K | — | — | — | County |
| 6 Aug 2019 | Thunderstorm Wind | 74 mph | — | — | — | — | County |
| 6 Aug 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 6 Aug 2019 | Thunderstorm Wind | 75 mph | $25K | — | — | — | County |
| 6 Aug 2019 | Thunderstorm Wind | 96 mph | $100K | — | — | — | County |
| 6 Aug 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 9 Jul 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 30 Jun 2019 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 24 Jun 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 1 Jun 2018 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 11 Jul 2017 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Jul 2017 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 9 Jul 2017 | Thunderstorm Wind | 64 mph | $6K | — | — | — | County |
| 9 Jul 2017 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 25 Dec 2016 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 19 Feb 2016 | High Wind | 67 mph | — | — | — | — | Forecast zone |
| 7 Feb 2016 | High Wind | 40 mph | — | — | — | — | Forecast zone |
| 18 Aug 2015 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 Aug 2015 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Jul 2015 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 20 Jun 2015 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Jan 2014 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 16 Jan 2014 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 11 Oct 2013 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 21 Jun 2013 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 Oct 2012 | High Wind | 69 mph | — | — | — | — | Forecast zone |
| 15 Apr 2012 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 26 Oct 2010 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 30 Aug 2010 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 30 Aug 2010 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 19 Aug 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 May 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 24 May 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 24 May 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 24 May 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 12 Aug 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Aug 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Aug 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Jun 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 Jun 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Oct 2008 | High Wind | 45 mph | — | — | — | — | Forecast zone |
| 28 Jul 2008 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 28 Jul 2008 | Thunderstorm Wind | 79 mph | $5K | — | — | — | County |
| 28 Jul 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 Jun 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 2 Jun 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 23 May 2008 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 29 Sep 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 May 2007 | Thunderstorm Wind | 75 mph | $30K | — | — | — | County |
| 10 Aug 2006 | Thunderstorm Wind | 79 mph | — | — | — | — | County |
| 14 Jun 2006 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 14 Jun 2006 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Nov 2005 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 7 Jun 2005 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 7 May 2005 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Mar 2005 | High Wind | 60 mph | $10K | — | — | — | Forecast zone |
| 29 Oct 2004 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 19 Aug 2003 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 19 Aug 2003 | Thunderstorm Wind | 70 mph | $5K | — | — | — | County |
| 24 Jun 2003 | Thunderstorm Wind | 70 mph | $10K | — | — | — | County |
| 5 Jun 2003 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 21 Aug 2002 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Aug 2002 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Aug 2002 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 7 Jun 2002 | Thunderstorm Wind | 70 mph | $10K | — | — | — | County |
| 11 Feb 2002 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 28 Dec 2000 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 5 Apr 2000 | High Wind | 64 mph | $17K | — | — | — | Forecast zone |
| 10 Jan 2000 | High Wind | 49 mph | — | — | — | — | Forecast zone |
| 18 Jul 1999 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 2 Jul 1999 | Thunderstorm Wind | 60 mph | $10K | — | — | — | County |
| 22 Jun 1999 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Jul 1998 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 2 Nov 1997 | High Wind | — | $3K | — | — | — | Forecast zone |
| 8 Sep 1997 | Thunderstorm Wind | 70 mph | $50K | — | — | — | County |
| 29 Aug 1997 | Thunderstorm Wind | 70 mph | $5K | — | — | — | County |
| 27 Jul 1997 | Thunderstorm Wind | 70 mph | $10K | $10K | — | — | County |
| 6 Apr 1997 | High Wind | 72 mph | $10K | — | — | — | Forecast zone |
| 29 Oct 1996 | High Wind | 66 mph | — | — | — | — | Forecast zone |
| 25 Apr 1996 | High Wind | 71 mph | $80K | — | — | — | Forecast zone |
| 10 Feb 1996 | High Wind | 67 mph | $10K | — | — | — | Forecast zone |
| 6 Jun 1994 | Thunderstorm Wind | 79 mph | $50K | — | — | — | County |
| 16 Jun 1992 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 4 Jun 1991 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 25 Aug 1990 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Aug 1987 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Aug 1987 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 6 Jun 1986 | Thunderstorm Wind | 79 mph | — | — | — | — | County |
| 17 Jul 1978 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Jun 1975 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 4 Jul 1966 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 May 1962 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 May 1962 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 9 Aug 1961 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 20 Jun 1957 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
Questions and answers
How many wind events has Gregory County had?
194 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 Gregory County?
28 Jun 2026 (Thunderstorm Wind, 71 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Gregory County?
The thunderstorm wind of 6 Aug 2019, with property damage estimated by NCEI at $100K.
How does Gregory County compare with South Dakota for wind?
19.1 events per 100 square miles against 23.8 statewide; the county holds 194 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 1 Oct 2026. See the methodology, the Wind hub and the county page.