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Wind in Knox County, Missouri
77 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.
Knox County, Missouri, has 77 wind events in the NCEI record since 1950, with at least one in 38 different years.
May is the busiest month, with 20 of the recorded events. The last 20 years account for 33 events against 33 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.4% of the 21,755 wind events recorded in Missouri; its 15.3 per 100 square miles compares with 31.6 statewide.
47 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 2 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 Missouri
| Measure | Knox County | Missouri | US |
|---|---|---|---|
| Wind events since 1950 | 77 | 21,755 | 701,953 |
| Per 100 square miles | 15.3 | 31.6 | 19.9 |
| Per 10,000 residents | 202.2 | 35.3 | 21.1 |
| Deaths recorded | 0 | 49 | 2,166 |
| Busiest month | May | June | June |
By year
Seasonality
0Feb
1Mar
4Apr
3May
20Jun
15Jul
17Aug
9Sep
3Oct
2Nov
2Dec
1
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 77 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 |
|---|---|---|---|---|---|---|---|
| 3 Jun 2025 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Mar 2025 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 21 May 2024 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 21 Jun 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 25 May 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 25 May 2019 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 13 Jul 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 14 Oct 2017 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 7 Jul 2016 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 11 Nov 2015 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 13 Jul 2015 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 28 Jun 2015 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 7 Jul 2014 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 3 Jun 2014 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 10 May 2014 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 12 Jul 2011 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 26 Jun 2011 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 11 May 2011 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 11 May 2011 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Jul 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 7 May 2010 | Thunderstorm Wind | 100 mph | — | — | — | — | County |
| 7 May 2010 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Dec 2009 | Strong Wind | 52 mph | $1K | — | — | — | Forecast zone |
| 23 Jun 2009 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 28 Aug 2008 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 28 Aug 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 Jul 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 15 Jun 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 Jun 2008 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 30 May 2008 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 May 2008 | Strong Wind | 55 mph | — | $2K | — | — | Forecast zone |
| 12 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 12 Aug 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 30 Mar 2006 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Jun 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 4 Jun 2005 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 4 Jun 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 24 May 2004 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 9 Jul 2003 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 9 Jul 2003 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 9 Jul 2003 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 9 Jul 2003 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 8 Jul 2003 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 9 Mar 2002 | High Wind | 49 mph | — | — | — | — | Forecast zone |
| 14 Jun 2001 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 13 May 2001 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 13 Mar 2001 | High Wind | 46 mph | — | — | — | — | Forecast zone |
| 25 Feb 2001 | High Wind | 46 mph | — | — | — | — | Forecast zone |
| 26 May 2000 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 19 Apr 2000 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 20 May 1998 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 20 May 1998 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 30 Apr 1997 | High Wind | 52 mph | — | — | — | — | Forecast zone |
| 5 Apr 1997 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 7 Aug 1996 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 4 Jul 1995 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 2 Sep 1993 | Thunderstorm Wind | 0 mph | $5K | — | — | — | County |
| 30 Aug 1993 | Thunderstorm Wind | 0 mph | $500 | — | — | — | County |
| 30 Aug 1993 | Thunderstorm Wind | 0 mph | $5K | — | — | — | County |
| 25 Jul 1992 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 Jul 1992 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 11 Jul 1991 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 24 May 1989 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 24 May 1989 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 Nov 1988 | Thunderstorm Wind | 79 mph | — | — | — | — | County |
| 20 May 1987 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 10 Sep 1984 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 8 Jun 1982 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Jun 1982 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 12 Sep 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 20 Aug 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 22 Oct 1979 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 Jul 1979 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 10 Aug 1976 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 30 May 1974 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 16 Jun 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 7 May 1962 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
Questions and answers
How many wind events has Knox County had?
77 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 Knox County?
3 Jun 2025 (Thunderstorm Wind, 58 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Knox County?
The thunderstorm wind of 2 Sep 1993, with property damage estimated by NCEI at $5K.
How does Knox County compare with Missouri for wind?
15.3 events per 100 square miles against 31.6 statewide; the county holds 77 of the state's 21,755 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.