Montana, 1975

Hail and Damaging Winds in Montana, August 7, 1975

August 7, 1975 · 7 events in 5 counties and zones

4 thunderstorm wind, 3 hail, as filed by the National Weather Service.

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
None recorded
Crop damage
None recorded
Events
7

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.

Event by event

4 thunderstorm wind, 3 hail. Local standard time, as filed.

Hail, Gallatin

When
August 7, 10:30 AM CST
Where
Gallatin County
Measured
1.5 in hail
Coordinates
45.580, -111.200

Thunderstorm Wind, Custer

When
August 7, 3:47 PM CST
Where
Custer County
Measured
55 kt (63 mph)
Coordinates
46.430, -105.880

Thunderstorm Wind, Valley

When
August 7, 3:52 PM CST
Where
Valley County
Measured
54 kt (62 mph)
Coordinates
48.220, -106.620

Hail, Prairie

When
August 7, 4:10 PM CST
Where
Prairie County
Measured
1 in hail
Coordinates
47.100, -105.330

Thunderstorm Wind, Valley

When
August 7, 4:13 PM CST
Where
Valley County
Measured
55 kt (63 mph)
Coordinates
48.220, -106.620

Thunderstorm Wind, Valley

When
August 7, 4:24 PM CST
Where
Valley County
Measured
60 kt (69 mph)
Coordinates
48.420, -106.530

Hail, Dawson

When
August 7, 4:30 PM CST
Where
Dawson County
Measured
4 in hail
Coordinates
47.300, -104.530

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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 1975Every state in 1975This day in weather history

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: 10073580, 10073581, 10073582, 10073583, 10073584, 10073585, 10073586.