Hail in South Dakota, August 26, 2016

Name: Hail in South Dakota, August 26, 2016
Start: 2016-08-26T18:48
End: 2016-08-26T18:48
Location: South Dakota

August 26, 2016 · NWS UNR · 1 event in 1 county or zone

A thunderstorm briefly became severe over northeastern Custer County, with hail to half dollar size reported southeast of Folsom.

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 UNR wrote it up.

A thunderstorm briefly became severe over northeastern Custer County, with hail to half dollar size reported southeast of Folsom.

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 Aug 26, 4:14 PM MST, 2 hours 34 minutes earlier.

Area forecast discussion, Aug 26, 4:14 PM MST, 2 hours 34 minutes before

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Hazardous weather outlook, Aug 26, 7:32 AM MST, 11 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE RAPID CITY SD
832 AM MDT FRI AUG 26 2016

SDZ001-002-012-013-024>031-041-042-072>074-WYZ054>058-071-271300-
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-
NORTHERN BLACK HILLS-NORTHERN FOOT HILLS-RAPID CITY-
SOUTHERN FOOT HILLS-CENTRAL BLACK HILLS-SOUTHERN BLACK HILLS-
CUSTER CO PLAINS-PENNINGTON CO PLAINS-FALL RIVER-OGLALA LAKOTA-
STURGIS/PIEDMONT FOOT HILLS-SOUTHERN MEADE CO PLAINS-
HERMOSA FOOT HILLS-NORTHERN CAMPBELL-SOUTHERN CAMPBELL-
WESTERN CROOK-WYOMING BLACK HILLS-WESTON-NORTHEASTERN CROOK-
832 AM MDT FRI AUG 26 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE BLACK HILLS
OF SOUTH DAKOTA...WESTERN SOUTH DAKOTA...NORTHEAST WYOMING...AND
THE BLACK HILLS OF WYOMING.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED TODAY...
ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS...BEFORE ENDING
OVERNIGHT. A FEW STORMS COULD BE STRONG TO SEVERE...MAINLY IN THE
AFTERNOON AND EARLY EVENING. HAIL AND STRONG WIND GUSTS WILL BE
THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

SDZ014-032-043-044-046-047-049-271300-
ZIEBACH-HAAKON-JACKSON-BENNETT-MELLETTE-TODD-TRIPP-
832 AM MDT FRI AUG 26 2016 /932 AM CDT FRI AUG 26 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
SOUTH DAKOTA...AND WESTERN SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE ACROSS MOST OF THE
AREA THIS MORNING...WITH A FEW THUNDERSTORMS POSSIBLE THIS
AFTERNOON INTO TONIGHT. SEVERE THUNDERSTORMS ARE NOT EXPECTED AT
THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

In the hours before

Special weather statement, Aug 26, 2:59 PM MST, 3 hours 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
359 PM MDT FRI AUG 26 2016

SDZ012-024-025-WYZ057-262245-
NORTHERN FOOT HILLS SD-BUTTE SD-NORTHERN BLACK HILLS SD-
WYOMING BLACK HILLS WY-
359 PM MDT FRI AUG 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BUTTE...NORTHWESTERN
LAWRENCE AND SOUTHEASTERN CROOK COUNTIES UNTIL 445 PM MDT...

AT 358 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
BEULAH...OR 12 MILES WEST OF SPEARFISH...MOVING EAST AT 30 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SPEARFISH...LEAD...DEADWOOD...SAINT ONGE...CENTRAL CITY...BEULAH...
SPEARFISH CANYON...CROW PEAK AND BRIDAL VEIL FALLS.

THIS INCLUDES...
 INTERSTATE 90 IN SOUTH DAKOTA BETWEEN MILE MARKERS 1 AND 22.
 INTERSTATE 90 IN WYOMING BETWEEN MILE MARKERS 199 AND 207.

LAT...LON 4460 10420 4460 10408 4457 10406 4460 10405
      4460 10365 4432 10368 4442 10423
TIME...MOT...LOC 2158Z 275DEG 25KT 4451 10412

JOHNSON

Local storm report, Aug 26, 3:20 PM MST, 3 hours 28 minutes before

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Local storm report, Aug 26, 3:29 PM MST, 3 hours 19 minutes before

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Special weather statement, Aug 26, 4:25 PM MST, 2 hours 23 minutes before

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Local storm report, Aug 26, 4:28 PM MST, 2 hours 20 minutes before

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Special weather statement, Aug 26, 4:44 PM MST, 2 hours 4 minutes before

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The radar

The Rapid City radar (KUDX), 36 km away, was scanning. The volume nearest the first event began at 01:47 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Custer

When: August 26, 6:48 PM MST
Where: Custer County, 4 mi ESE of Folsom
Measured: 1.25 in hail
Reported by: Trained Spotter
Coordinates: 43.798, -102.796

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 2016 Every state in 2016 This day in weather history Warnings in South Dakota, August 2016

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: 655080.