South Dakota, 1974

Tornado and Hail in South Dakota, June 20, 1974

June 20, 1974 · 18 events in 8 counties and zones

13 thunderstorm wind, 4 hail, 1 tornado, 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
18

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

13 thunderstorm wind, 4 hail, 1 tornado. Local standard time, as filed.

Tornado, Tripp

When
June 20, 5:30 PM CST
Where
Tripp County
Rating
F0
Path width
33 yd
Coordinates
43.020, -99.780

Thunderstorm Wind, Hughes

When
June 20, 6:31 PM CST
Where
Hughes County
Measured
55 kt (63 mph)
Coordinates
44.380, -100.280

Thunderstorm Wind, Hughes

When
June 20, 7:20 PM CST
Where
Hughes County
Coordinates
44.520, -99.980

Hail, Sully

When
June 20, 8:00 PM CST
Where
Sully County
Measured
0.75 in hail
Coordinates
44.700, -100.070

Thunderstorm Wind, Sully

When
June 20, 8:00 PM CST
Where
Sully County
Coordinates
44.700, -100.070

Hail, Hyde

When
June 20, 8:15 PM CST
Where
Hyde County
Measured
0.75 in hail
Coordinates
44.770, -99.580

Thunderstorm Wind, Hyde

When
June 20, 8:15 PM CST
Where
Hyde County
Coordinates
44.520, -99.430

Thunderstorm Wind, Hyde

When
June 20, 8:15 PM CST
Where
Hyde County
Coordinates
44.770, -99.580

Thunderstorm Wind, Hand

When
June 20, 8:25 PM CST
Where
Hand County
Coordinates
44.520, -98.980

Hail, Hand

When
June 20, 8:30 PM CST
Where
Hand County
Measured
0.75 in hail
Coordinates
44.780, -99.100

Thunderstorm Wind, Faulk

When
June 20, 8:30 PM CST
Where
Faulk County
Coordinates
45.070, -99.520

Thunderstorm Wind, Hand

When
June 20, 8:30 PM CST
Where
Hand County
Coordinates
44.780, -99.100

Thunderstorm Wind, Faulk

When
June 20, 8:45 PM CST
Where
Faulk County
Coordinates
45.030, -99.130

Hail, Hand

When
June 20, 9:00 PM CST
Where
Hand County
Measured
0.75 in hail
Coordinates
44.900, -98.820

Thunderstorm Wind, Hand

When
June 20, 9:00 PM CST
Where
Hand County
Coordinates
44.900, -98.820

Thunderstorm Wind, Spink

When
June 20, 9:00 PM CST
Where
Spink County
Coordinates
44.730, -98.500

Thunderstorm Wind, Spink

When
June 20, 9:10 PM CST
Where
Spink County
Coordinates
45.000, -98.500

Thunderstorm Wind, Minnehaha

When
June 20, 10:10 PM CST
Where
Minnehaha County
Coordinates
43.530, -96.730

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
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 South Dakota in 1974Every state in 1974This day in weather historyThe tornado archive for South Dakota, 1974

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: 10113538, 10113539, 10113540, 10113541, 10113542, 10113543, 10113544, 10113545, 10113546, 10113547, 10113548, 10113549, 10113550, 10113551, 10113552, 10113553, 10113554, 10113555.