Montana, 1970

Hail and Damaging Winds in Montana, June 27, 1970

June 27, 1970 · 15 events in 10 counties and zones

14 thunderstorm wind, 1 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
15

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

14 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Gallatin

When
June 27, 5:05 PM CST
Where
Gallatin County
Measured
50 kt (58 mph)
Coordinates
45.780, -110.900

Thunderstorm Wind, Gallatin

When
June 27, 5:30 PM CST
Where
Gallatin County
Measured
92 kt (106 mph)
Coordinates
44.700, -111.080

Thunderstorm Wind, Gallatin

When
June 27, 5:35 PM CST
Where
Gallatin County
Coordinates
44.780, -111.080

Thunderstorm Wind, Gallatin

When
June 27, 6:03 PM CST
Where
Gallatin County
Measured
59 kt (68 mph)
Coordinates
45.780, -110.900

Thunderstorm Wind, Broadwater

When
June 27, 6:10 PM CST
Where
Broadwater County
Coordinates
46.280, -111.500

Thunderstorm Wind, Jefferson

When
June 27, 6:17 PM CST
Where
Jefferson County
Measured
63 kt (72 mph)
Coordinates
46.580, -112.000

Thunderstorm Wind, Meagher

When
June 27, 6:35 PM CST
Where
Meagher County
Coordinates
46.580, -110.900

Thunderstorm Wind, Park

When
June 27, 7:00 PM CST
Where
Park County
Measured
62 kt (71 mph)
Coordinates
45.700, -110.580

Thunderstorm Wind, Cascade

When
June 27, 7:28 PM CST
Where
Cascade County
Measured
73 kt (84 mph)
Coordinates
47.500, -111.300

Thunderstorm Wind, Cascade

When
June 27, 7:30 PM CST
Where
Cascade County
Coordinates
47.280, -111.000

Thunderstorm Wind,

When
June 27, 7:30 PM CST
Where
County
Coordinates
46.880, -110.680

Thunderstorm Wind, Custer

When
June 27, 7:40 PM CST
Where
Custer County
Measured
55 kt (63 mph)
Coordinates
46.380, -105.900

Hail, Cascade

When
June 27, 7:55 PM CST
Where
Cascade County
Measured
1.75 in hail
Coordinates
47.580, -111.180

Thunderstorm Wind, Chouteau

When
June 27, 8:00 PM CST
Where
Chouteau County
Coordinates
47.780, -110.680

Thunderstorm Wind, Fergus

When
June 27, 8:10 PM CST
Where
Fergus County
Measured
60 kt (69 mph)
Coordinates
47.000, -109.400

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Montana in 1970Every state in 1970This 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: 10072377, 10072378, 10072379, 10072380, 10072381, 10072382, 10072383, 10072384, 10072385, 10072386, 10072387, 10072388, 10072389, 10072390, 10072391.