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Wind in Harrison County, Iowa
234 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.
Harrison County, Iowa, has 234 wind events in the NCEI record since 1950, with at least one in 56 different years.
June is the busiest month, with 71 of the recorded events. The last 20 years account for 117 events against 93 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 20,854 wind events recorded in Iowa; its 33.6 per 100 square miles compares with 37.3 statewide.
146 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 15 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 | Harrison County | Iowa | US |
|---|---|---|---|
| Wind events since 1950 | 234 | 20,854 | 701,953 |
| Per 100 square miles | 33.6 | 37.3 | 19.9 |
| Per 10,000 residents | 159.5 | 65.3 | 21.1 |
| Deaths recorded | 0 | 25 | 2,166 |
| Busiest month | June | June | June |
By year
Seasonality
4Feb
3Mar
10Apr
20May
42Jun
71Jul
39Aug
26Sep
10Oct
4Nov
2Dec
3
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 199 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 234. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 17 May 2026 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 15 Mar 2026 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 21 Jan 2026 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 18 Dec 2025 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 10 Dec 2025 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 9 Aug 2025 | Thunderstorm Wind | 100 mph | — | — | — | — | County |
| 28 Jul 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 19 Mar 2025 | High Wind | 72 mph | — | — | — | — | Forecast zone |
| 14 Mar 2025 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 4 Mar 2025 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 19 Dec 2024 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 31 Jul 2024 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 31 Jul 2024 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 31 Jul 2024 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 12 Jun 2024 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 24 May 2024 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 24 May 2024 | Thunderstorm Wind | 107 mph | — | — | — | — | County |
| 24 May 2024 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 24 May 2024 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 24 May 2024 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 24 May 2024 | Thunderstorm Wind | 74 mph | — | — | — | — | County |
| 30 Apr 2024 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 12 Jul 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 23 Jul 2022 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 23 Jul 2022 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 11 Jul 2022 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 11 Jul 2022 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 12 May 2022 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 12 Apr 2022 | Thunderstorm Wind | 76 mph | — | — | — | — | County |
| 30 Jul 2021 | Thunderstorm Wind | 100 mph | — | — | — | — | County |
| 10 Jul 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Jul 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Jun 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Jun 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Aug 2020 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 10 Aug 2020 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 10 Aug 2020 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 11 Jul 2020 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Jun 2020 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 21 Sep 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 18 Aug 2019 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 2 Jul 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 1 Jan 2019 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 20 Sep 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 28 Jun 2018 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 28 Jun 2018 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 28 Jun 2018 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 28 Jun 2018 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 1 Jun 2018 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 1 May 2018 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 16 Jun 2017 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 16 Jun 2017 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 16 May 2017 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 16 May 2017 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 9 Sep 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Aug 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Jul 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 Jun 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 Jun 2015 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 May 2015 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 10 May 2015 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 31 Aug 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 30 Jun 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 20 Jun 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Jun 2014 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 3 Jun 2014 | Thunderstorm Wind | 85 mph | — | — | — | — | County |
| 3 Jun 2014 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 1 Jun 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 1 Jun 2014 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Jan 2014 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 16 Jan 2014 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 14 Jun 2013 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 19 May 2012 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 19 May 2012 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 26 Jun 2011 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 20 Jun 2011 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 20 Jun 2011 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 20 Jun 2011 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 30 May 2011 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 8 Aug 2010 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 18 Jul 2010 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 14 Jul 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 22 Jun 2010 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 9 Aug 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 12 Jul 2009 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 Jun 2009 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 23 Jun 2009 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 23 Jun 2009 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 23 Jun 2009 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 23 Mar 2009 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 15 Jul 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Jun 2008 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 11 Jun 2008 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 3 Jun 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Jun 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 May 2008 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 29 May 2008 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 29 May 2008 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 29 May 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 May 2008 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 29 May 2008 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 6 May 2008 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 6 May 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 May 2008 | Thunderstorm Wind | 60 mph | $8K | — | — | — | County |
| 18 Sep 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Sep 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Sep 2007 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 6 Sep 2007 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 28 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 28 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 28 Aug 2007 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 12 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Aug 2007 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 18 Jul 2007 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 16 Sep 2006 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 15 Sep 2006 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 15 Apr 2006 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 17 Jun 2001 | Thunderstorm Wind | 63 mph | $1K | — | — | — | County |
| 11 Apr 2001 | Thunderstorm Wind | 69 mph | $1K | — | — | — | County |
| 19 Jul 1999 | Thunderstorm Wind | — | $5K | — | — | — | County |
| 3 Jul 1998 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 21 May 1998 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 21 May 1998 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 21 May 1998 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 21 May 1998 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 20 May 1998 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 15 May 1998 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 12 Apr 1998 | Thunderstorm Wind | — | $100K | — | — | — | County |
| 2 Nov 1997 | High Wind | 61 mph | — | — | — | — | Forecast zone |
| 13 Oct 1997 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 29 Jun 1997 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 Jun 1997 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 20 Jun 1997 | Thunderstorm Wind | — | $2K | — | — | — | County |
| 20 Jun 1997 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 6 Apr 1997 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 29 Oct 1996 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 26 Oct 1996 | High Wind | 67 mph | — | — | — | — | Forecast zone |
| 4 Aug 1996 | Thunderstorm Wind | 60 mph | $100K | $250K | — | — | County |
| 25 Apr 1996 | High Wind | 49 mph | — | — | — | — | Forecast zone |
| 15 Feb 1996 | High Wind | 52 mph | — | — | — | — | Forecast zone |
| 10 Feb 1996 | High Wind | 55 mph | — | — | — | — | Forecast zone |
| 22 Jul 1995 | Thunderstorm Wind | 64 mph | $2K | — | — | — | County |
| 22 Jul 1995 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 7 Aug 1994 | Thunderstorm Wind | 58 mph | $50K | $500 | — | — | County |
| 1 Jul 1994 | Thunderstorm Wind | 58 mph | $50K | $500 | — | — | County |
| 1 Jul 1994 | Thunderstorm Wind | 58 mph | $50K | $500 | — | — | County |
| 14 Apr 1994 | Thunderstorm Wind | 68 mph | $500K | — | — | — | County |
| 16 Jun 1992 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 16 Jun 1992 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 16 Jun 1992 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 16 Jun 1992 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 16 May 1992 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 26 Apr 1991 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 23 Aug 1990 | Thunderstorm Wind | 58 mph | — | — | — | 1 | County |
| 23 Aug 1990 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 16 Jun 1990 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 13 Jun 1990 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 13 Jun 1990 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 13 Jun 1990 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 13 Mar 1990 | Thunderstorm Wind | 77 mph | — | — | — | — | County |
| 13 Mar 1990 | Thunderstorm Wind | 77 mph | — | — | — | — | County |
| 5 Aug 1989 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 5 Aug 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Aug 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Aug 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 17 Jul 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 17 Jul 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 17 Jul 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 27 Apr 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 27 Apr 1989 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 15 Jul 1988 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 31 May 1988 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 29 Jun 1986 | Thunderstorm Wind | 60 mph | — | — | — | 1 | County |
| 29 Jun 1986 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 May 1985 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Apr 1985 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 17 Jun 1984 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 6 May 1983 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 6 May 1983 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 8 Jun 1982 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 14 Jun 1981 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Apr 1981 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 14 Jun 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Jun 1979 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 14 Apr 1976 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 17 Aug 1975 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 9 Jul 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 12 Sep 1972 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 6 Jun 1971 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 16 Jun 1970 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 Jun 1970 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 7 Aug 1969 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 25 Jul 1969 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 26 Aug 1968 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 26 May 1962 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 27 Jun 1959 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
Questions and answers
How many wind events has Harrison County had?
234 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 Harrison County?
17 May 2026 (Thunderstorm Wind, 64 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Harrison County?
The thunderstorm wind of 14 Apr 1994, with property damage estimated by NCEI at $500K.
How does Harrison County compare with Iowa for wind?
33.6 events per 100 square miles against 37.3 statewide; the county holds 234 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.