Tornado, Perkins
- When
- June 20, 7:00 PM CST
- Where
- Perkins County
- Rating
- F2
- Path width
- 33 yd
- Coordinates
- 45.780, -102.180
Tornadoes and Hail in South Dakota, June 20, 1968
8 tornado, 7 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 16
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
8 tornado, 7 thunderstorm wind, 1 hail. Local standard time, as filed.
Tornado, Lawrence
- When
- June 20, 8:00 PM CST
- Where
- Lawrence County
- Rating
- F2
- Path length
- 13.1 mi
- Path width
- 100 yd
- Coordinates
- 44.180, -103.930
Thunderstorm Wind, Meade
- When
- June 20, 8:00 PM CST
- Where
- Meade County
- Measured
- 53 kt (61 mph)
- Coordinates
- 44.200, -103.080
Thunderstorm Wind, Pennington
- When
- June 20, 8:00 PM CST
- Where
- Pennington County
- Measured
- 56 kt (64 mph)
- Coordinates
- 44.000, -103.080
Thunderstorm Wind, Haakon
- When
- June 20, 8:38 PM CST
- Where
- Haakon County
- Measured
- 60 kt (69 mph)
- Coordinates
- 44.000, -101.580
Tornado, Walworth
- When
- June 20, 10:00 PM CST
- Where
- Walworth County
- Rating
- F3
- Path length
- 8.8 mi
- Path width
- 200 yd
- Coordinates
- 45.530, -100.220
Tornado, Walworth
- When
- June 20, 10:00 PM CST
- Where
- Walworth County
- Rating
- F3
- Path width
- 33 yd
- Coordinates
- 45.500, -100.030
Hail, Brule
- When
- June 20, 10:15 PM CST
- Where
- Brule County
- Measured
- 3 in hail
- Coordinates
- 43.700, -99.000
Tornado, Gregory
- When
- June 20, 10:30 PM CST
- Where
- Gregory County
- Rating
- F2
- Path length
- 33.5 mi
- Path width
- 33 yd
- Coordinates
- 43.380, -99.430
Tornado, Stanley
- When
- June 20, 10:30 PM CST
- Where
- Stanley County
- Rating
- F2
- Path width
- 33 yd
- Coordinates
- 44.370, -100.400
Tornado, Charles Mix
- When
- June 20, 10:45 PM CST
- Where
- Charles Mix County
- Rating
- F2
- Path length
- 21.4 mi
- Path width
- 33 yd
- Coordinates
- 43.480, -98.850
Thunderstorm Wind, Brown
- When
- June 20, 10:57 PM CST
- Where
- Brown County
- Measured
- 53 kt (61 mph)
- Coordinates
- 45.500, -98.400
Tornado, Davison
- When
- June 20, 11:00 PM CST
- Where
- Davison County
- Rating
- F3
- Path length
- 9.9 mi
- Path width
- 2,667 yd
- Coordinates
- 43.680, -97.980
Thunderstorm Wind, Charles Mix
- When
- June 20, 11:00 PM CST
- Where
- Charles Mix County
- Measured
- 56 kt (64 mph)
- Coordinates
- 43.080, -98.500
Thunderstorm Wind, Beadle
- When
- June 20, 11:08 PM CST
- Where
- Beadle County
- Coordinates
- 44.380, -98.180
Thunderstorm Wind, Davison
- When
- June 20, 11:45 PM CST
- Where
- Davison County
- Coordinates
- 43.700, -98.000
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
- Tornadoes and Hail in Minnesota, June 20, 1968
- Tornado in Louisiana, June 20, 1968
- Tornado in Texas, June 20, 1968
- Hail and Damaging Wind in Montana, June 20, 1968
- Damaging Winds in North Dakota, June 20, 1968
- Hail and Damaging Wind in Wisconsin, June 20, 1968
- Hail in Maine, June 20, 1968
- Damaging Wind in Idaho, June 20, 1968
- Damaging Wind in Ohio, June 20, 1968
- Hail in Wyoming, June 20, 1968
More
Every storm in South Dakota in 1968Every state in 1968This day in weather historyThe tornado archive for South Dakota, 1968
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: 10110372, 10110373, 10110374, 10110375, 10110376, 10110377, 10110378, 10110379, 10110380, 10110381, 10112651, 10112652, 10112653, 10112654, 10112655, 10112656.