South Dakota, 2020

Hail and Damaging Wind in South Dakota, June 4, 2020

June 4, 2020 · NWS UNR · 11 events in 5 counties and zones

A long-lived supercell thunderstorm developed over Harding County and tracked east-southeast across northwestern South Dakota. The storm produced hail to baseball size across parts of the area, with wind gusts around 60 mph as well.

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
11

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.

What happened

The episode as NWS UNR wrote it up.

A long-lived supercell thunderstorm developed over Harding County and tracked east-southeast across northwestern South Dakota. The storm produced hail to baseball size across parts of the area, with wind gusts around 60 mph as well.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Rapid City, SD wrote its last area forecast discussion before the first event at Jun 3, 4:21 PM MST, 21 hours 45 minutes earlier.

Area forecast discussion, Jun 3, 4:21 PM MST, 21 hours 45 minutes before
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The radar

The Rapid City radar (KUDX), 154 km away, was scanning. The volume nearest the first event began at 21:04 UTC.

Open the radar archive at this moment

Event by event

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

Hail, Harding

When
June 4, 2:06 PM MST to 2:11 PM MST
Where
Harding County, 4 mi SSW of Reva
Measured
0.88 in hail
Reported by
Trained Spotter
Coordinates
45.496, -103.112

The ground was covered with hail.

Hail, Perkins

When
June 4, 2:24 PM MST to 2:30 PM MST
Where
Perkins County, 3 mi SSE of Sorum
Measured
1.5 in hail
Reported by
Trained Spotter
Coordinates
45.410, -102.906

The ground was covered with hail.

Thunderstorm Wind, Perkins

When
June 4, 2:24 PM MST to 2:30 PM MST
Where
Perkins County, 3 mi SSE of Sorum
Measured
52 kt (60 mph) estimated gust
Reported by
Trained Spotter
Coordinates
45.410, -102.906

Wind gusts were estimated at 60 mph.

Hail, Perkins

When
June 4, 3:15 PM MST
Where
Perkins County, 8 mi S of Usta
Measured
1.25 in hail
Reported by
Public
Coordinates
45.104, -102.160

Hail, Meade

When
June 4, 3:25 PM MST
Where
Meade County, 8.33 mi W of Faith
Measured
2.75 in hail
Reported by
Storm Chaser
Coordinates
45.020, -102.200

Hail, Meade

When
June 4, 3:30 PM MST
Where
Meade County, 7.84 mi W of Faith
Measured
2 in hail
Reported by
Public
Coordinates
45.020, -102.190

Hail, Meade

When
June 4, 3:35 PM MST
Where
Meade County, 3 mi W of Faith
Measured
2 in hail
Reported by
Public
Coordinates
45.030, -102.091

Hail, Meade

When
June 4, 3:44 PM MST
Where
Meade County, 9.69 mi S of Faith
Measured
3.2 in hail
Reported by
Storm Chaser
Coordinates
44.890, -102.040

Hail, Ziebach

When
June 4, 4:03 PM MST
Where
Ziebach County, 1 mi W of Red Scaffold
Measured
1.75 in hail
Reported by
Trained Spotter
Coordinates
44.770, -101.850

Hail, Haakon

When
June 4, 4:26 PM MST
Where
Haakon County, 5.12 mi WNW of Kirley
Measured
0.88 in hail
Reported by
Public
Coordinates
44.540, -101.400

Wind gusts reached 40 mph.

Hail, Haakon

When
June 4, 4:33 PM MST
Where
Haakon County, 9.09 mi NE of Milesville
Measured
1.75 in hail
Reported by
Public
Coordinates
44.550, -101.550

Wind gusts were estimated at 50 mph.

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

More

Every storm in South Dakota in 2020Every state in 2020This day in weather historyWarnings in South Dakota, June 2020

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 2026-10-01. Each event’s entry at NCEI: 891571, 891572, 891573, 891574, 891576, 891577, 891581, 891580, 891575, 891583, 891584.