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Wind in Boulder County, Colorado
72 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 72 wind events in Boulder County, Colorado, between 1950 and 2026, spread over 37 years.
June is the busiest month, with 24 of the recorded events. The last 20 years account for 19 events against 36 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.8% of the 8,940 wind events recorded in Colorado; its 9.9 per 100 square miles compares with 8.6 statewide.
53 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 6 reached hurricane force (74 mph).
Compared with Colorado
| Measure | Boulder County | Colorado | US |
|---|---|---|---|
| Wind events since 1950 | 72 | 8,940 | 701,953 |
| Per 100 square miles | 9.9 | 8.6 | 19.9 |
| Per 10,000 residents | 2.2 | 15.4 | 21.1 |
| Deaths recorded | 0 | 27 | 2,166 |
| Busiest month | June | June | June |
By year
Seasonality
0Feb
0Mar
1Apr
0May
5Jun
24Jul
16Aug
17Sep
8Oct
1Nov
0Dec
0
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 72 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 |
|---|---|---|---|---|---|---|---|
| 20 Jul 2024 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 31 Jul 2023 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 6 Jun 2020 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 Jun 2020 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 28 Jun 2019 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 17 Jun 2019 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 3 Aug 2018 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 3 Aug 2018 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 4 Aug 2017 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 30 Mar 2014 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 18 Sep 2013 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 3 Sep 2012 | Thunderstorm Wind | 68 mph | — | — | — | — | County |
| 3 Sep 2012 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Jul 2011 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 10 Jul 2011 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 30 Jun 2011 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 19 Aug 2010 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 19 Aug 2010 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 15 Jun 2009 | Thunderstorm Wind | 60 mph | $20K | — | — | 1 | County |
| 22 May 2006 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 3 Jul 2005 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 3 Jul 2005 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 3 Jul 2005 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 28 Jun 2005 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 28 Jun 2005 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 28 Jun 2005 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 10 Aug 2004 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 29 Sep 2000 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 29 Sep 2000 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 1 Aug 2000 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 19 Jun 2000 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 19 Jun 2000 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 25 Jun 1997 | Thunderstorm Wind | — | — | — | — | — | County |
| 2 Sep 1996 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 28 Jul 1996 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 12 Jul 1996 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 12 Jul 1996 | Thunderstorm Wind | — | — | — | — | — | County |
| 12 Jul 1996 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 21 Jun 1996 | Thunderstorm Wind | — | — | — | — | — | County |
| 20 Jun 1996 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Jun 1996 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Jun 1996 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Jun 1996 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Oct 1994 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Aug 1994 | Thunderstorm Wind | 0 mph | $10 | — | — | — | County |
| 2 Jul 1994 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 2 Jul 1994 | Thunderstorm Wind | 61 mph | — | — | — | — | County |
| 2 Jul 1994 | Thunderstorm Wind | 58 mph | $500 | — | — | — | County |
| 15 May 1993 | Thunderstorm Wind | 0 mph | $5K | — | — | — | County |
| 3 Aug 1992 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 7 Jun 1992 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 1 Jun 1991 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 1 Jun 1991 | Thunderstorm Wind | 66 mph | — | — | — | — | County |
| 1 Jun 1990 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 4 Aug 1989 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 4 Aug 1986 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 23 Jun 1985 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 21 Jun 1985 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 30 May 1984 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 12 May 1984 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 10 Jul 1983 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 20 Aug 1982 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 19 Sep 1981 | Thunderstorm Wind | 100 mph | — | — | — | — | County |
| 30 Aug 1981 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 20 Aug 1980 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 16 Aug 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 10 Sep 1979 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 20 Jun 1974 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 7 May 1970 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 20 Jul 1966 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Aug 1958 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Aug 1957 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
Questions and answers
How many wind events has Boulder County had?
72 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 Boulder County?
20 Jul 2024 (Thunderstorm Wind, 61 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Boulder County?
The thunderstorm wind of 15 Jun 2009, with property damage estimated by NCEI at $20K.
How does Boulder County compare with Colorado for wind?
9.9 events per 100 square miles against 8.6 statewide; the county holds 72 of the state's 8,940 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.