Hail, Clark
- When
- June 21, 3:40 PM CST
- Where
- Clark County
- Measured
- 1 in hail
- Coordinates
- 44.620, -97.620
Tornado and Hail in South Dakota, June 21, 1986
4 hail, 4 thunderstorm wind, 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $3,000
- Crop damage
- None recorded
- Events
- 9
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 hail, 4 thunderstorm wind, 1 tornado. Local standard time, as filed.
Hail, Miner
- When
- June 21, 4:30 PM CST
- Where
- Miner County
- Measured
- 1 in hail
- Coordinates
- 44.020, -97.530
Hail, Moody
- When
- June 21, 10:00 PM CST
- Where
- Moody County
- Measured
- 2.75 in hail
- Coordinates
- 43.980, -96.820
Hail, Deuel
- When
- June 21, 10:28 PM CST
- Where
- Deuel County
- Measured
- 1 in hail
- Coordinates
- 44.750, -96.680
Thunderstorm Wind, Clay
- When
- June 21, 10:48 PM CST
- Where
- Clay County
- Measured
- 81 kt (93 mph)
- Coordinates
- 42.780, -96.920
Thunderstorm Wind, Yankton
- When
- June 21, 10:50 PM CST
- Where
- Yankton County
- Measured
- 83 kt (96 mph)
- Coordinates
- 42.870, -97.380
Tornado, Clay
- When
- June 21, 10:57 PM CST
- Where
- Clay County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 23 yd
- Property damage
- $3,000
- Coordinates
- 43.080, -97.170
Thunderstorm Wind, Turner
- When
- June 21, 11:20 PM CST
- Where
- Turner County
- Measured
- 61 kt (70 mph)
- Coordinates
- 43.170, -97.080
Thunderstorm Wind, Union
- When
- June 21, 11:30 PM CST
- Where
- Union County
- Measured
- 61 kt (70 mph)
- Coordinates
- 42.680, -96.670
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.
- 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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Nebraska, June 21, 1986
- Tornado and Damaging Winds in Wisconsin, June 21, 1986
- Tornado in Florida, June 21, 1986
- Tornadoes and Hail in Minnesota, June 21, 1986
- Damaging Winds in Iowa, June 21, 1986
- Hail and Damaging Winds in Kansas, June 21, 1986
- Hail and Damaging Wind in Alabama, June 21, 1986
- Damaging Wind in Colorado, June 21, 1986
- Hail in Wyoming, June 21, 1986
- Hail in Texas, June 21, 1986
More
Every storm in South Dakota in 1986Every state in 1986This day in weather historyThe tornado archive for South Dakota, 1986Warnings in South Dakota, June 1986
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: 10126816, 10126817, 10126818, 10126819, 10126820, 10126821, 10126822, 10126823, 10126824.