Hail in South Dakota, June 23, 2008

Name: Hail in South Dakota, June 23, 2008
Start: 2008-06-23T12:25
End: 2008-06-23T14:45
Location: South Dakota

June 23, 2008 · NWS UNR · 3 events in 2 counties and zones

Severe thunderstorms produced large hail from Mount Rushmore to Custer State Park.

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: 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.

Severe thunderstorms produced large hail from Mount Rushmore to Custer State Park.

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 23, 2:00 AM MST, 10 hours 25 minutes earlier.

Area forecast discussion, Jun 23, 2:00 AM MST, 10 hours 25 minutes before

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Hazardous weather outlook, Jun 23, 5:41 AM MST, 6 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
641 AM MDT MON JUN 23 2008

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-241300-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
641 AM MDT (741 AM CDT) MON JUN 23 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

AN UPPER LEVEL DISTURBANCE AND A WEAK COLD FRONT WILL TRIGGER
MORE THUNDERSTORM ACTIVITY TODAY AND TONIGHT. THERE IS A SLIGHT RISK
FOR SEVERE THUNDERSTORMS ACROSS MUCH OF NORTHEAST WYOMING AND
WESTERN SOUTH DAKOTA...MAINLY THIS AFTERNOON AND EVENING. THE MAIN
THREATS FROM ANY SEVERE STORMS WILL BE LARGE HAIL AND STRONG WIND
GUSTS...BUT AN ISOLATED TORNADO CANNOT BE RULED OUT ACROSS
SOUTHWESTERN SOUTH DAKOTA. LOCALLY HEAVY RAIN CAN ALSO BE EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

DAILY CHANCES FOR THUNDERSTORMS ARE EXPECTED FROM TUESDAY THROUGH
THE END OF THE WORK WEEK AS THE WEATHER PATTERN REMAINS VERY ACTIVE.
THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS MUCH OF THE
FORECAST AREA ON TUESDAY...WEDNESDAY...AND THURSDAY. LARGE HAIL AND
STRONG WIND GUSTS WILL REMAIN THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

In the hours before

Local storm report, Jun 23, 8:35 AM MST, 3 hours 50 minutes before

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The radar

The Rapid City radar (KUDX), 60 km away, was scanning. The volume nearest the first event began at 19:25 UTC.

Open the radar archive at this moment

Event by event

3 hail. Local standard time, as filed.

Hail, Custer

When: June 23, 12:25 PM MST
Where: Custer County, 10 mi E of Custer
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 43.770, -103.400

Hail, Pennington

When: June 23, 1:34 PM MST
Where: Pennington County, Mt Rushmore
Measured: 0.88 in hail
Reported by: Trained Spotter
Coordinates: 43.880, -103.450

Hail, Custer

When: June 23, 2:45 PM MST
Where: Custer County, 6 mi ESE of Custer
Measured: 1.75 in hail
Reported by: Park/Forest Service
Coordinates: 43.737, -103.489

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

Every storm in South Dakota in 2008 Every state in 2008 This day in weather history Warnings in South Dakota, June 2008

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: 100622, 100623, 100625.