Montana, 2025

Damaging Winds in Montana, July 1 to 2, 2025

July 1 to 2, 2025 · NWS TFX · 21 events in 8 counties and zones

An upper level trough brought embedded shortwaves aloft that developed thunderstorms in the region. Storms on July 1st were concentrated in Southwest MT.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$4,000
Crop damage
None recorded
Events
21

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS TFX wrote it up.

An upper level trough brought embedded shortwaves aloft that developed thunderstorms in the region. Storms on July 1st were concentrated in Southwest MT. Coverage of thunderstorms became widespread across the region July 2nd due to better shear and moisture. The main hazards with storms were severe wind gusts.

The radar

The Great Falls radar (KTFX), 187 km away, was scanning. The volume nearest the first event began at 23:31 UTC.

Open the radar archive at this moment

Event by event

21 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Gallatin

When
July 1, 4:33 PM MST
Where
Gallatin County, 0.48 mi E of Belgrade
Measured
54 kt (62 mph) measured gust
Reported by
ASOS
Coordinates
45.780, -111.170

ASOS station KBZN Bozeman Yellowstone Airport measured a 62 mph wind gust.

Thunderstorm Wind, Gallatin

When
July 1, 4:45 PM MST
Where
Gallatin County, 2.37 mi NW of Bozeman
Measured
50 kt (58 mph) estimated gust
Reported by
Trained Spotter
Coordinates
45.700, -111.070

Corrects previous thunderstorm wind dmg report from 2 NW Bozeman. Trained spotter reports 4 inch diameter tree limb broken with leaves and debris on roadway in the vicinity of East Baxter Lane and North 19th Avenue in Bozeman. Time of event is estimated.

Thunderstorm Wind, Gallatin

When
July 1, 4:49 PM MST
Where
Gallatin County, 0.48 mi E of Belgrade
Measured
52 kt (60 mph) measured gust
Reported by
ASOS
Coordinates
45.780, -111.170

ASOS station KBZN Bozeman Yellowstone Airport measured a 60 mph wind gust.

Thunderstorm Wind, Gallatin

When
July 1, 4:56 PM MST
Where
Gallatin County, 0.48 mi E of Belgrade
Measured
57 kt (66 mph) measured gust
Reported by
ASOS
Coordinates
45.780, -111.170

ASOS station KBZN Bozeman Yellowstone Airport measured a 66 mph wind gust.

Thunderstorm Wind, Gallatin

When
July 1, 5:00 PM MST
Where
Gallatin County, 5.56 mi ENE of Chestnut
Measured
51 kt (59 mph) measured gust
Reported by
Mesonet
Coordinates
45.670, -110.800

Mesonet station MTBZH Bozeman Pass measured a 59 mph wind gust.

Thunderstorm Wind, Beaverhead

When
July 2, 1:07 PM MST
Where
Beaverhead County, 1.19 mi SE of Dillon
Measured
50 kt (58 mph) estimated gust
Reported by
Mesonet
Coordinates
45.210, -112.630

Estimated wind gust of 58 mph at an Ambient weather station, Chicken Coop.

Thunderstorm Wind, Beaverhead

When
July 2, 1:14 PM MST
Where
Beaverhead County, 0.69 mi N of (Dln)dillon Arpt
Measured
64 kt (74 mph) measured gust
Reported by
ASOS
Coordinates
45.260, -112.550

A 74 mph wind gust measured at the Dillon Airport.

Thunderstorm Wind, Beaverhead

When
July 2, 1:15 PM MST
Where
Beaverhead County, 10.39 mi WSW of Grant
Measured
53 kt (61 mph) measured gust
Reported by
Mesonet
Coordinates
44.940, -113.250

Mesonet station BRRM8 Brenner RAWS measured a 61 mph wind gust. Time of event is estimated.

Thunderstorm Wind, Fergus

When
July 2, 4:15 PM MST
Where
Fergus County, 1.17 mi SW of Lewistown
Measured
50 kt (58 mph) estimated gust
Property damage
$3,000
Reported by
Emergency Manager
Coordinates
47.060, -109.440

Trees down along the Lewistown Trail System blocking the trail. Time estimated based on radar.

Thunderstorm Wind, Fergus

When
July 2, 4:15 PM MST
Where
Fergus County, 1.57 mi WNW of Lewistown
Measured
50 kt (58 mph) estimated gust
Property damage
$500
Reported by
Public
Coordinates
47.080, -109.450

Corrects previous thunderstorm wind dmg report from 1 NW Lewistown. Public reported on social media that an abandoned lumber shop collapsed due to the thunderstorms with photos of debris across the property. Time estimated based on radar.

Thunderstorm Wind, Fergus

When
July 2, 4:45 PM MST
Where
Fergus County, 6.21 mi SE of Roy Jct
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
47.220, -109.220

Mesonet station JPKM8 Judith Peak RAWS measured a 60 mph wind gust. Time of event is estimated.

Thunderstorm Wind, Judith Basin

When
July 2, 4:45 PM MST
Where
Judith Basin County, 3.37 mi WNW of Moccasin
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
47.060, -109.950

Mesonet station MTM09 2.1 W Moccasin measured a 60 mph wind gust.

Thunderstorm Wind, Teton

When
July 2, 5:00 PM MST
Where
Teton County, 1.16 mi NW of Koyl
Measured
52 kt (60 mph) estimated gust
Reported by
COOP Observer
Coordinates
47.930, -112.290

Estimated wind gusts near 60 mph with a thunderstorm on Wednesday evening. Time of event is estimated.

Thunderstorm Wind, Teton

When
July 2, 5:45 PM MST
Where
Teton County, 16.53 mi SW of Eastham Jct
Measured
58 kt (67 mph) measured gust
Reported by
Mesonet
Coordinates
47.580, -112.330

A 67 mph thunderstorm wind gust measured on Wednesday evening at Augusta N Hydromet MT Mesonet site.

Thunderstorm Wind, Teton

When
July 2, 5:55 PM MST
Where
Teton County, 7.98 mi W of Bynum
Measured
51 kt (59 mph) measured gust
Reported by
Mesonet
Coordinates
47.960, -112.490

A 59 mph thunderstorm wind gust measured on Wednesday evening at Bynum W MT Mesonet site.

Thunderstorm Wind, Teton

When
July 2, 5:56 PM MST
Where
Teton County, 3.11 mi SE of Bole
Measured
53 kt (61 mph) measured gust
Reported by
AWOS
Coordinates
47.700, -111.950

AWOS station K1HM 6 NNE Fairfield measured a 61 mph wind gust.

Thunderstorm Wind, Lewis and Clark

When
July 2, 6:13 PM MST
Where
Lewis and Clark County, 16.28 mi SE of Augusta Arpt
Measured
51 kt (59 mph) measured gust
Reported by
AWOS
Coordinates
47.330, -112.100

AWOS station K1GM Golf measured a 59 mph wind gust.

Thunderstorm Wind, Pondera

When
July 2, 6:15 PM MST
Where
Pondera County, 7.82 mi SSW of Conrad Arpt
Measured
56 kt (64 mph) measured gust
Reported by
Mesonet
Coordinates
48.060, -112.010

A 65 mph wind gust measured at Midway Colony MT Mesonet site.

Thunderstorm Wind, Lewis and Clark

When
July 2, 6:19 PM MST
Where
Lewis and Clark County, (Hln)helena Rgnl Arp
Measured
52 kt (60 mph) measured gust
Reported by
ASOS
Coordinates
46.600, -111.980

ASOS station KHLN Helena Airport measured a 60 mph wind gust.

Thunderstorm Wind, Pondera

When
July 2, 6:45 PM MST
Where
Pondera County, 9.22 mi ENE of Brady
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
48.100, -111.660

A 60 mph thunderstorm wind gust measured on Wednesday evening at Brady NE Montana Mesonet site.

Thunderstorm Wind, Liberty

When
July 2, 7:15 PM MST
Where
Liberty County, 3.74 mi W of Marias
Measured
56 kt (64 mph) measured gust
Reported by
Mesonet
Coordinates
48.330, -111.130

Mesonet station GW1852 Tiber Marina measured a 64 wind gust.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2025Every state in 2025This day in weather historyWarnings in Montana, July 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1265853, 1265852, 1265854, 1265855, 1265856, 1266197, 1266198, 1266200, 1266195, 1266196, 1266203, 1266206, 1266207, 1266209, 1266211, 1266215, 1266216, 1266217, 1266219, 1266220, 1266221.