States › Iowa › Sioux County › Wind
Wind in Sioux County, Iowa
271 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.
Sioux County, Iowa, has 271 wind events in the NCEI record since 1950, with at least one in 50 different years.
July is the busiest month, with 68 of the recorded events. The last 20 years account for 142 events against 96 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.3% of the 20,854 wind events recorded in Iowa; its 35.3 per 100 square miles compares with 37.3 statewide.
NCEI attributes 1 death in the county to damaging wind.
208 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 43 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 Iowa
| Measure | Sioux County | Iowa | US |
|---|---|---|---|
| Wind events since 1950 | 271 | 20,854 | 701,953 |
| Per 100 square miles | 35.3 | 37.3 | 19.9 |
| Per 10,000 residents | 75.5 | 65.3 | 21.1 |
| Deaths recorded | 1 | 25 | 2,166 |
| Busiest month | July | June | June |
By year
Seasonality
6Feb
6Mar
8Apr
26May
37Jun
49Jul
68Aug
31Sep
14Oct
13Nov
4Dec
9
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 185 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 271. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 30 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 29 Jun 2026 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 17 Jun 2026 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 15 Mar 2026 | High Wind | 46 mph | — | — | — | — | Forecast zone |
| 12 Mar 2026 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 18 Feb 2026 | High Wind | 43 mph | — | — | — | — | Forecast zone |
| 21 Jan 2026 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 16 Jan 2026 | Strong Wind | 53 mph | — | — | — | — | Forecast zone |
| 18 Dec 2025 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 9 Dec 2025 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 25 Nov 2025 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 28 Jul 2025 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 99 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 92 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 85 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 85 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 96 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 85 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 96 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 27 Jul 2025 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 27 Jul 2025 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 27 Jul 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 Jun 2025 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 29 Jun 2025 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 29 Jun 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 2 Jun 2025 | Thunderstorm Wind | 85 mph | — | — | — | — | County |
| 19 May 2025 | High Wind | 72 mph | — | — | — | — | Forecast zone |
| 19 May 2025 | High Wind | 66 mph | — | — | — | — | Forecast zone |
| 4 Mar 2025 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 28 Feb 2025 | Strong Wind | 54 mph | — | — | — | — | Forecast zone |
| 19 Dec 2024 | Strong Wind | 53 mph | — | — | — | — | Forecast zone |
| 4 Dec 2024 | Strong Wind | 55 mph | — | — | — | — | Forecast zone |
| 20 Nov 2024 | Strong Wind | 54 mph | — | — | — | — | Forecast zone |
| 14 Jul 2024 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 14 Jul 2024 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 17 Jun 2024 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 Jun 2024 | Strong Wind | 53 mph | — | — | — | — | Forecast zone |
| 2 Jun 2024 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 30 May 2024 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 16 Apr 2024 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 6 Apr 2024 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 9 Dec 2023 | Strong Wind | 48 mph | — | — | — | — | Forecast zone |
| 12 Oct 2023 | Strong Wind | 56 mph | — | — | — | — | Forecast zone |
| 5 Aug 2023 | Thunderstorm Wind | 81 mph | $50K | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 10 Jul 2023 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 24 Jun 2023 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 24 Jun 2023 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 24 Jun 2023 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 24 Jun 2023 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 12 May 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 30 Apr 2023 | Strong Wind | 54 mph | — | — | — | — | Forecast zone |
| 15 Feb 2023 | Strong Wind | 54 mph | — | — | — | — | Forecast zone |
| 23 Oct 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 23 Oct 2022 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 22 Jul 2022 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 12 May 2022 | Thunderstorm Wind | 90 mph | — | $7K | — | — | County |
| 12 May 2022 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 23 Apr 2022 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 14 Apr 2022 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 25 Mar 2022 | Strong Wind | 45 mph | — | — | — | — | Forecast zone |
| 4 Jan 2022 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 15 Dec 2021 | High Wind | 67 mph | — | — | — | — | Forecast zone |
| 17 Sep 2021 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 17 Sep 2021 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 Sep 2021 | Thunderstorm Wind | 81 mph | $25K | — | — | — | County |
| 17 Sep 2021 | Thunderstorm Wind | 70 mph | $50K | — | — | — | County |
| 17 Sep 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 17 Sep 2021 | Thunderstorm Wind | 70 mph | $5K | — | — | — | County |
| 16 Sep 2021 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 11 Oct 2020 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 11 Oct 2020 | Thunderstorm Wind | 60 mph | $1K | — | — | — | County |
| 21 Jun 2020 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 21 Jun 2020 | Thunderstorm Wind | 64 mph | $10K | — | — | — | County |
| 21 Jun 2020 | Thunderstorm Wind | 70 mph | $5K | $2K | — | — | County |
| 20 Jul 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 20 Jul 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 Jul 2019 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 17 Jul 2019 | Thunderstorm Wind | 75 mph | $10K | — | — | — | County |
| 17 Jul 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 Jul 2019 | Thunderstorm Wind | 70 mph | $5K | — | — | — | County |
| 4 Jul 2019 | Thunderstorm Wind | 81 mph | $400K | — | — | — | County |
| 27 Jun 2019 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Aug 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 5 Aug 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 5 Aug 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 5 Aug 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 29 May 2018 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Jun 2017 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 25 Dec 2016 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 5 Sep 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Aug 2016 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 17 Jun 2016 | Thunderstorm Wind | 60 mph | $5K | — | — | — | County |
| 17 Jun 2016 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 19 Feb 2016 | High Wind | 41 mph | — | — | — | — | Forecast zone |
| 26 Jun 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 16 Jun 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 1 Jun 2014 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 11 May 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Jan 2014 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 16 Jan 2014 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 31 Aug 2013 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 27 May 2012 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 27 May 2012 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 27 May 2012 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 May 2012 | Thunderstorm Wind | 64 mph | $1K | — | — | — | County |
| 4 May 2012 | Thunderstorm Wind | 70 mph | $5K | — | — | — | County |
| 4 May 2012 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 4 May 2012 | Thunderstorm Wind | 79 mph | — | — | — | — | County |
| 4 May 2012 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 1 May 2012 | Thunderstorm Wind | 87 mph | $20K | — | — | — | County |
| 21 May 2011 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 11 May 2011 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Oct 2010 | High Wind | 58 mph | $50K | — | — | 1 | Forecast zone |
| 21 Jul 2010 | Thunderstorm Wind | 100 mph | $200K | — | — | 4 | County |
| 11 Jun 2010 | Thunderstorm Wind | 70 mph | $5K | — | — | — | County |
| 31 Jul 2009 | Thunderstorm Wind | 70 mph | $50K | — | — | — | County |
| 7 Jul 2009 | Thunderstorm Wind | 75 mph | $25K | — | — | — | County |
| 23 Mar 2009 | Thunderstorm Wind | 81 mph | $100K | — | — | — | County |
| 23 Mar 2009 | Thunderstorm Wind | 81 mph | $100K | — | — | — | County |
| 23 Mar 2009 | Thunderstorm Wind | 81 mph | $25K | — | — | — | County |
| 15 Apr 2006 | Strong Wind | 49 mph | $5K | — | — | — | Forecast zone |
| 24 Jul 2005 | Thunderstorm Wind | 79 mph | $50K | — | 1 | — | County |
| 10 Mar 2005 | High Wind | 58 mph | $10K | — | — | — | Forecast zone |
| 18 Apr 2004 | Thunderstorm Wind | 66 mph | $5K | — | — | — | County |
| 4 May 2003 | High Wind | 70 mph | $10K | — | — | — | Forecast zone |
| 7 Jun 2002 | Thunderstorm Wind | 77 mph | $10K | — | — | — | County |
| 16 Apr 2002 | Thunderstorm Wind | 70 mph | $50K | — | — | — | County |
| 15 May 2000 | Thunderstorm Wind | 60 mph | $10K | — | — | — | County |
| 7 May 2000 | Thunderstorm Wind | 60 mph | $10K | — | — | — | County |
| 5 Apr 2000 | High Wind | 68 mph | $12K | — | — | — | Forecast zone |
| 2 Jul 1999 | Thunderstorm Wind | 70 mph | $200K | — | — | — | County |
| 18 Jul 1998 | Thunderstorm Wind | 70 mph | $50K | — | — | — | County |
| 15 May 1998 | Thunderstorm Wind | 60 mph | $10K | — | — | — | County |
| 2 Nov 1997 | High Wind | — | $3K | — | — | — | Forecast zone |
| 1 Jul 1997 | Thunderstorm Wind | 60 mph | $50K | — | — | — | County |
| 16 Oct 1996 | Thunderstorm Wind | 60 mph | $10K | — | — | — | County |
| 4 Aug 1996 | Thunderstorm Wind | 63 mph | $20K | — | — | — | County |
| 10 Feb 1996 | High Wind | 58 mph | $5K | — | — | — | Forecast zone |
| 29 Sep 1995 | Thunderstorm Wind | 69 mph | $20K | — | — | — | County |
| 28 Aug 1995 | Thunderstorm Wind | 60 mph | $5K | — | — | — | County |
| 23 Jul 1995 | Thunderstorm Wind | 0 mph | $10K | — | — | — | County |
| 5 Jul 1994 | Thunderstorm Wind | 75 mph | $500K | $50K | — | — | County |
| 4 Jul 1994 | Thunderstorm Wind | 75 mph | $500K | $50K | — | — | County |
| 12 Jun 1994 | Thunderstorm Wind | 58 mph | $5K | $50 | — | — | County |
| 25 Apr 1994 | Thunderstorm Wind | 58 mph | $50K | — | — | — | County |
| 25 Apr 1994 | Thunderstorm Wind | 78 mph | $50K | — | — | — | County |
| 25 Apr 1994 | Thunderstorm Wind | 78 mph | $50K | — | — | — | County |
| 7 Nov 1986 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 8 May 1986 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 19 Apr 1985 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 7 Aug 1984 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 7 Aug 1984 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 1 Jul 1983 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 28 Sep 1982 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 31 Aug 1982 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 31 Aug 1982 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 5 Jul 1982 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 Jun 1981 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 23 Jun 1981 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 26 Aug 1980 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 4 Jun 1980 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 29 May 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 29 May 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 1 Sep 1979 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Jul 1978 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 5 Jul 1978 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 14 Dec 1975 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 21 Aug 1975 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 22 May 1975 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 9 Oct 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 9 Oct 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 22 Aug 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 1 Jul 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 1 Jul 1973 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 19 Apr 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Apr 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 11 Jul 1956 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
Questions and answers
How many wind events has Sioux County had?
271 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 Sioux County?
30 Jun 2026 (Thunderstorm Wind, 70 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Sioux County?
The thunderstorm wind of 4 Jul 1994, with property damage estimated by NCEI at $500K and crop damage at $50K.
How does Sioux County compare with Iowa for wind?
35.3 events per 100 square miles against 37.3 statewide; the county holds 271 of the state's 20,854 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.