South Dakota, 2025

Hail in South Dakota, August 6, 2025

August 6, 2025 · NWS FSD · 1 event in 1 county or zone

A few thunderstorms developed along an outflow from overnight storms, with a very isolated stronger updraft briefly able to produce up to quarter size hail.

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
1

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 FSD wrote it up.

A few thunderstorms developed along an outflow from overnight storms, with a very isolated stronger updraft briefly able to produce up to quarter size hail.

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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Aug 6, 4:26 AM CST, 5 hours 54 minutes earlier.

Area forecast discussion, Aug 6, 4:26 AM CST, 5 hours 54 minutes before
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Hazardous weather outlook, Aug 6, 3:19 AM CST, 7 hours 1 minute before
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In the hours before

Local storm report, Aug 6, 8:51 AM CST, 1 hour 29 minutes before
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Local storm report, Aug 6, 9:46 AM CST, 34 minutes before
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Local storm report, Aug 6, 9:48 AM CST, 32 minutes before
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Local storm report, Aug 6, 9:51 AM CST, 29 minutes before
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Local storm report, Aug 6, 9:52 AM CST, 28 minutes before
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Local storm report, Aug 6, 10:02 AM CST, 18 minutes before
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The radar

The Sioux Falls radar (KFSD), 152 km away, was scanning. The volume nearest the first event began at 16:17 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Aurora

When
August 6, 10:20 AM CST to 10:22 AM CST
Where
Aurora County, 3.15 mi NNW of Aurora Center
Measured
1 in hail
Reported by
Trained Spotter
Coordinates
43.560, -98.610

Hail ranged in size up to quarter size.

What these are

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

More

Every storm in South Dakota in 2025Every state in 2025This day in weather historyWarnings in South Dakota, August 2025

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 2026-09-30. Each event’s entry at NCEI: 1290490.