South Dakota, 2018

Hail and Damaging Wind in South Dakota, July 29, 2018

July 29, 2018 · NWS UNR · 3 events in 2 counties and zones

A severe thunderstorm developed over the southern Black Hills and tracked southeast through eastern Fall River County and into Nebraska. The storm produced large hail and wind gusts over 60 mph.

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
3

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 severe thunderstorm developed over the southern Black Hills and tracked southeast through eastern Fall River County and into Nebraska. The storm produced large hail and wind gusts over 60 mph.

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 Jul 29, 10:30 AM MST, 2 hours earlier.

Area forecast discussion, Jul 29, 10:30 AM MST, 2 hours before
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Hazardous weather outlook, Jul 29, 4:03 AM MST, 8 hours 27 minutes before
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In the hours before

Local storm report, Jul 29, 6:43 AM MST, 5 hours 47 minutes before
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The radar

The Rapid City radar (KUDX), 82 km away, was scanning. The volume nearest the first event began at 19:30 UTC.

Open the radar archive at this moment

Event by event

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

Hail, Custer

When
July 29, 12:30 PM MST
Where
Custer County, Wind Cave
Measured
1 in hail
Reported by
COOP Observer
Coordinates
43.550, -103.480

Hail, Fall River

When
July 29, 1:40 PM MST
Where
Fall River County, 10.59 mi SE of Oelrichs
Measured
1 in hail
Reported by
Public
Coordinates
43.090, -103.060

Thunderstorm Wind, Fall River

When
July 29, 1:40 PM MST
Where
Fall River County, 10.59 mi SE of Oelrichs
Measured
60 kt (69 mph) measured gust
Reported by
Public
Coordinates
43.090, -103.060

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 2018Every state in 2018This day in weather historyWarnings in South Dakota, July 2018

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: 770122, 770125, 770127.