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Wind in Mahnomen County, Minnesota
85 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.
Mahnomen County, Minnesota, has 85 wind events in the NCEI record since 1950, with at least one in 32 different years.
June is the busiest month, with 26 of the recorded events. The last 20 years account for 46 events against 33 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.6% of the 15,237 wind events recorded in Minnesota; its 15.2 per 100 square miles compares with 19.1 statewide.
53 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 7 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 Minnesota
| Measure | Mahnomen County | Minnesota | US |
|---|---|---|---|
| Wind events since 1950 | 85 | 15,237 | 701,953 |
| Per 100 square miles | 15.2 | 19.1 | 19.9 |
| Per 10,000 residents | 157.0 | 26.7 | 21.1 |
| Deaths recorded | 0 | 30 | 2,166 |
| Busiest month | June | July | June |
By year
Seasonality
0Feb
1Mar
1Apr
2May
10Jun
26Jul
19Aug
16Sep
5Oct
3Nov
2Dec
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 85 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 |
|---|---|---|---|---|---|---|---|
| 11 Aug 2025 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 8 Aug 2025 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 20 Jun 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 20 Jun 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Aug 2022 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 24 Jun 2022 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 8 May 2022 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 11 Oct 2020 | Thunderstorm Wind | 59 mph | — | — | — | — | County |
| 11 Oct 2020 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 13 Aug 2020 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 25 Jul 2020 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 7 Jun 2020 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Jun 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 24 May 2019 | Thunderstorm Wind | 72 mph | — | — | — | — | County |
| 15 May 2019 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 26 Aug 2018 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 19 Sep 2017 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 21 Jul 2017 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 21 Jun 2017 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 13 Jun 2017 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 20 Jul 2016 | Thunderstorm Wind | 71 mph | — | — | — | — | County |
| 11 Jul 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Jul 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 9 Jul 2016 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 12 Oct 2015 | High Wind | 40 mph | — | — | — | — | Forecast zone |
| 24 Jul 2015 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 23 Jul 2015 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 18 Jul 2015 | Thunderstorm Wind | 90 mph | — | — | — | — | County |
| 20 Sep 2014 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 20 Sep 2014 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 21 Jul 2014 | High Wind | 46 mph | — | — | — | — | Forecast zone |
| 5 Jul 2014 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 26 Jun 2013 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 26 Jun 2013 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 3 Aug 2012 | Thunderstorm Wind | 75 mph | — | — | — | — | County |
| 30 May 2011 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 14 Jul 2010 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 14 Jun 2008 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 11 Jun 2008 | High Wind | 40 mph | — | — | — | — | Forecast zone |
| 11 Jun 2008 | High Wind | 46 mph | — | — | — | — | Forecast zone |
| 21 Sep 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Jul 2007 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 3 Jul 2007 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 26 Jun 2007 | Thunderstorm Wind | 81 mph | — | — | — | — | County |
| 17 Jun 2007 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 May 2007 | High Wind | 60 mph | — | — | — | — | Forecast zone |
| 5 Aug 2006 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 8 Nov 2005 | High Wind | 46 mph | — | — | — | — | Forecast zone |
| 29 Jun 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 27 Jun 2005 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 5 Sep 2004 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 8 Aug 2004 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 8 Aug 2004 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 15 Jul 2004 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 23 Jun 2004 | Thunderstorm Wind | 62 mph | — | — | — | — | County |
| 5 May 2004 | High Wind | 63 mph | — | — | — | — | Forecast zone |
| 21 Jun 2003 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 11 Aug 2002 | Thunderstorm Wind | — | $200 | — | — | — | County |
| 9 Jun 2002 | Thunderstorm Wind | 81 mph | $10K | — | — | — | County |
| 9 Jun 2002 | Thunderstorm Wind | — | $50K | — | — | — | County |
| 9 Jun 2002 | Thunderstorm Wind | — | $1K | — | — | — | County |
| 9 Jun 2002 | Thunderstorm Wind | 67 mph | — | — | — | — | County |
| 6 Apr 2002 | High Wind | 59 mph | — | — | — | — | Forecast zone |
| 11 Feb 2002 | High Wind | 64 mph | — | — | — | — | Forecast zone |
| 8 Aug 2001 | Thunderstorm Wind | — | $2K | — | — | — | County |
| 8 Aug 2001 | Thunderstorm Wind | — | $1K | — | — | — | County |
| 8 Aug 2001 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 8 Aug 2001 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 5 Aug 2001 | Thunderstorm Wind | — | $1K | — | — | — | County |
| 19 Jul 2001 | Thunderstorm Wind | — | $500 | — | — | — | County |
| 5 Apr 2000 | High Wind | 74 mph | — | — | — | — | Forecast zone |
| 1 Nov 1999 | High Wind | 69 mph | — | — | — | — | Forecast zone |
| 3 Jul 1999 | Thunderstorm Wind | — | $500 | — | — | — | County |
| 17 Mar 1999 | High Wind | 58 mph | — | — | — | — | Forecast zone |
| 15 May 1998 | Thunderstorm Wind | — | $2K | — | — | — | County |
| 17 May 1996 | Thunderstorm Wind | — | $25K | — | — | — | County |
| 17 May 1996 | Thunderstorm Wind | — | $100K | — | — | — | County |
| 23 May 1994 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 23 Jul 1987 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 21 Aug 1982 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 5 Jul 1978 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Jun 1973 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 17 Jun 1971 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 30 Jun 1958 | Thunderstorm Wind | 92 mph | — | — | — | — | County |
| 30 Jun 1958 | Thunderstorm Wind | 92 mph | — | — | — | — | County |
Questions and answers
How many wind events has Mahnomen County had?
85 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 Mahnomen County?
11 Aug 2025 (Thunderstorm Wind, 58 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Mahnomen County?
The thunderstorm wind of 17 May 1996, with property damage estimated by NCEI at $100K.
How does Mahnomen County compare with Minnesota for wind?
15.2 events per 100 square miles against 19.1 statewide; the county holds 85 of the state's 15,237 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.