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Wind in Flathead County, Montana

65 damaging wind events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Thunderstorm Wind, High Wind, Strong Wind.

65 events · 1 deaths recorded · peak month August · county share of state 0.5%

2026-05-28: Wind2024-08-23: Wind2023-08-22: Wind2021-06-15: Wind2020-05-31: Wind2019-08-10: Wind2017-07-07: Wind2013-08-29: Wind2013-08-29: Wind2013-08-29: Wind2013-08-29: Wind2013-08-26: Wind2013-08-25: Wind2013-08-25: Wind2013-08-25: Wind2012-07-07: Wind2012-07-07: Wind2011-07-16: Wind2011-07-07: Wind2010-07-22: Wind2010-07-22: Wind2009-07-26: Wind2007-07-18: Wind2007-06-29: Wind2006-07-24: Wind2006-07-06: Wind2006-07-06: Wind2005-06-05: Wind2003-05-25: Wind2003-03-14: Wind2002-07-13: Wind2002-05-19: Wind2000-07-22: Wind2000-06-19: Wind2000-04-04: Wind1999-08-03: Wind1998-05-26: Wind1998-05-25: Wind1998-05-20: Wind1997-05-31: Wind1990-08-20: Wind1990-08-20: Wind1989-09-01: Wind1989-07-31: Wind1989-07-26: Wind1989-07-26: Wind1987-06-16: Wind1984-08-12: Wind1983-07-25: Wind1982-06-29: Wind1982-06-27: Wind1976-08-25: Wind1969-04-23: Wind1968-08-11: Wind1968-08-11: Wind1958-09-11: Wind1955-06-22: Wind
Wind event locations in and around Flathead County. Dots: Wind event locations in the kept record. Boundaries: US Census Bureau.

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.

Flathead County, Montana, has 65 wind events in the NCEI record since 1950, with at least one in 35 different years.

August is the busiest month, with 20 of the recorded events. The last 20 years account for 24 events against 31 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.5% of the 14,438 wind events recorded in Montana; its 1.3 per 100 square miles compares with 9.9 statewide.

NCEI attributes 1 death in the county to damaging wind.

35 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 5 reached hurricane force (74 mph).

Compared with Montana

MeasureFlathead CountyMontanaUS
Wind events since 19506514,438701,953
Per 100 square miles1.39.919.9
Per 10,000 residents6.0130.721.1
Deaths recorded1182,166
Busiest monthAugustJulyJune

By year

195019882026
Wind events recorded in Flathead County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
1
Apr
2
May
12
Jun
8
Jul
19
Aug
20
Sep
3
Oct
0
Nov
0
Dec
0
Wind events in Flathead County by month of occurrence, all years.

Magnitude distribution

under 58 mph30
58–73 mph30
74–95 mph5
96 mph and over0
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 65 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
28 May 2026Thunderstorm Wind58 mph$2K———County
23 Aug 2024Thunderstorm Wind60 mph$100K———County
22 Aug 2023Thunderstorm Wind68 mph$5K———County
15 Jun 2021Thunderstorm Wind49 mph$5K———County
31 May 2020Thunderstorm Wind78 mph$450K——1County
10 Aug 2019Thunderstorm Wind60 mph$50K———County
7 Jul 2017Thunderstorm Wind58 mph————County
29 Aug 2013Thunderstorm Wind49 mph$4K———County
29 Aug 2013Thunderstorm Wind60 mph$8K———County
29 Aug 2013Thunderstorm Wind49 mph$15K———County
29 Aug 2013Thunderstorm Wind55 mph$4K———County
26 Aug 2013Thunderstorm Wind55 mph$25K———County
25 Aug 2013Thunderstorm Wind55 mph$1K———County
25 Aug 2013Thunderstorm Wind46 mph$2K———County
25 Aug 2013Thunderstorm Wind46 mph$3K———County
7 Jul 2012Thunderstorm Wind60 mph$40K$15K——County
7 Jul 2012Thunderstorm Wind53 mph—$500——County
16 Jul 2011Thunderstorm Wind59 mph————County
7 Jul 2011Thunderstorm Wind60 mph—$19K——County
22 Jul 2010Thunderstorm Wind64 mph$20K———County
22 Jul 2010Thunderstorm Wind58 mph————County
26 Jul 2009Thunderstorm Wind60 mph————County
18 Jul 2007Thunderstorm Wind90 mph$300K———County
29 Jun 2007Thunderstorm Wind60 mph————County
24 Jul 2006Thunderstorm Wind81 mph————County
6 Jul 2006Thunderstorm Wind81 mph————County
6 Jul 2006Thunderstorm Wind69 mph————County
5 Jun 2005Thunderstorm Wind60 mph$12K———County
25 May 2003Thunderstorm Wind60 mph————County
14 Mar 2003Thunderstorm Wind61 mph————County
13 Jul 2002Thunderstorm Wind66 mph————County
19 May 2002Thunderstorm Wind60 mph————County
22 Jul 2000Thunderstorm Wind58 mph——11County
19 Jun 2000Thunderstorm Wind60 mph————County
4 Apr 2000Thunderstorm Wind59 mph————County
3 Aug 1999Thunderstorm Wind60 mph————County
26 May 1998Thunderstorm Wind60 mph————County
25 May 1998Thunderstorm Wind60 mph————County
20 May 1998Thunderstorm Wind60 mph————County
31 May 1997Thunderstorm Wind60 mph————County
4 Aug 1995Thunderstorm Wind0 mph————County
9 Jul 1995Thunderstorm Wind0 mph————County
2 Sep 1994Thunderstorm Wind0 mph$500———County
14 Aug 1994Thunderstorm Wind0 mph————County
15 May 1994Thunderstorm Wind0 mph$500K———County
15 May 1994Thunderstorm Wind0 mph$500K———County
31 May 1993Thunderstorm Wind60 mph$5K———County
31 May 1993Thunderstorm Wind70 mph$500K———County
20 Aug 1990Thunderstorm Wind66 mph————County
20 Aug 1990Thunderstorm Wind69 mph————County
1 Sep 1989Thunderstorm Wind0 mph————County
31 Jul 1989Thunderstorm Wind0 mph———1County
26 Jul 1989Thunderstorm Wind0 mph————County
26 Jul 1989Thunderstorm Wind0 mph————County
16 Jun 1987Thunderstorm Wind69 mph———2County
12 Aug 1984Thunderstorm Wind58 mph————County
25 Jul 1983Thunderstorm Wind0 mph————County
29 Jun 1982Thunderstorm Wind62 mph————County
27 Jun 1982Thunderstorm Wind0 mph————County
25 Aug 1976Thunderstorm Wind0 mph————County
23 Apr 1969Thunderstorm Wind0 mph————County
11 Aug 1968Thunderstorm Wind0 mph————County
11 Aug 1968Thunderstorm Wind60 mph————County
11 Sep 1958Thunderstorm Wind96 mph————County
22 Jun 1955Thunderstorm Wind0 mph————County

Questions and answers

How many wind events has Flathead County had?

65 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 Flathead County?

28 May 2026 (Thunderstorm Wind, 58 mph). Records reach NCEI about 120 days after the month ends.

What was the most damaging wind event recorded in Flathead County?

The thunderstorm wind of 31 May 1993, with property damage estimated by NCEI at $500K.

How does Flathead County compare with Montana for wind?

1.3 events per 100 square miles against 9.9 statewide; the county holds 65 of the state's 14,438 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.