Hail and Damaging Wind in South Dakota, July 22, 1987

Name: Hail and Damaging Wind in South Dakota, July 22, 1987
Start: 1987-07-22T15:45
End: 1987-07-22T21:30
Location: South Dakota

July 22, 1987 · NWS FSD · 8 events in 6 counties and zones

7 hail, 1 thunderstorm wind, 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 8

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

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

Hail, Pennington

When: July 22, 3:45 PM CST
Where: Pennington County
Measured: 0.75 in hail
Coordinates: 44.200, -103.050

Hail, Pennington

When: July 22, 4:43 PM CST
Where: Pennington County
Measured: 1.75 in hail
Coordinates: 44.080, -103.270

Hail, Ziebach

When: July 22, 7:55 PM CST
Where: Ziebach County
Measured: 0.75 in hail
Coordinates: 45.380, -101.480

Hail, Corson

When: July 22, 8:10 PM CST
Where: Corson County
Measured: 2.5 in hail
Coordinates: 45.920, -101.720

Hail, Dewey

When: July 22, 8:25 PM CST
Where: Dewey County
Measured: 0.75 in hail
Coordinates: 45.380, -101.450

Hail, Dewey

When: July 22, 8:35 PM CST
Where: Dewey County
Measured: 2.5 in hail
Coordinates: 45.320, -101.230

Hail, Potter

When: July 22, 9:25 PM CST
Where: Potter County
Measured: 0.75 in hail
Coordinates: 45.250, -100.020

Thunderstorm Wind, Walworth

When: July 22, 9:30 PM CST
Where: Walworth County
Measured: 60 kt (69 mph)
Coordinates: 45.530, -100.430

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

Every storm in South Dakota in 1987 Every state in 1987 This day in weather history Warnings in South Dakota, July 1987

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: 10127113, 10127114, 10127115, 10127116, 10127117, 10127118, 10127119, 10127120.