Hail, Pennington
- When
- June 1, 12:10 PM MST to 12:25 PM MST
- Where
- Pennington County, 3 mi SE of Rockerville
- Measured
- 0.88 in hail
- Reported by
- Public
- Coordinates
- 43.919, -103.307
Hail and Heavy Rain in South Dakota, June 1, 2008
Severe thunderstorms developed along the eastern slopes of the Black Hills and dropped large hail and heavy rain over eastern Custer and Shannon Counties. Softball sized hail was reported south of Hermosa.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 12
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 developed along the eastern slopes of the Black Hills and dropped large hail and heavy rain over eastern Custer and Shannon Counties. Softball sized hail was reported south of Hermosa.
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 1, 11:45 AM MST, 25 minutes earlier.
Area forecast discussion, Jun 1, 11:45 AM MST, 25 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 1245 PM MDT SUN JUN 1 2008 .DISCUSSION...WATER VAPOR SHOWS JET STREAK NOSING INTO SRN WY EARLY THIS AFTN. CONVECTIVE TEMPS HAVE BEEN REACHED IN MOST PLACES AND STORMS HAVE ALREADY DEVELOPED IN AN AXIS FROM THE BLKHLS THRU NCNTRL NEB. FOCUS WILL BE SVR WX CHANCES THROUGH TONIGHT ACRS OUR CWFA. TONIGHT...CONVECTION WILL BE FAIRLY WDSPRD ACRS OUR AREA BY THIS EVE. SBCAPES OF 1000-2000J/KG ALONG WITH AMPLE BULK SHEAR WILL SUPPORT ROTATING UPDRAFTS. MOST AREAS UNDER THE THREAT FOR SVR WX...WITH THE LEAST CHANCE ACRS FAR NWRN SD WHERE SHEAR PROFILES ARE NOT AS FAVORABLE. TORNADO THREAT SHOULD REMAIN ISOLATED AS NEAR SFC SHEAR PROFILES NOT OVERLY IMPRESSIVE. ACTIVITY WILL BE SUPPORTED WELL INTO THE NIGHT AS LEFT FRONT QUAD OF JET STREAK PASSES OHD AND LLJ INCREASES. MONDAY...PCPN WILL LIKELY STILL BE AROUND IN THE MRNG AS THERE IS SOME CHANCE OF AN MCS FORMING OVERNIGHT. UPR TROF AXIS WILL NOT CROSS THE AREA UNTIL LATER IN THE AFTN...SO CONVECTION SHOULD ONCE AGAIN BECOME FAIRLY WDSPRD. THERE IS A THREAT OF SVR WX...BEST CHANCE SOUTH OF I-90 ACRS SD AHEAD OF CDFNT WHERE BEST INSTABILITY AND SHEAR WILL EXIST. TUESDAY...UPR LOW WILL PUSH ACRS ND. ALTHOUGH THERE WILL BE INSTABILITY AROUND...WILL LOWER PCPN CHANCES SOMEWHAT AS CWFA WILL LIKELY BE CAUGHT IN A MORE WLY DOWNSLOPE FLOW SOUTH OF THE UPR LOW. EXTENDED...UNSETTLED WEATHER WILL CONTINUE THROUGH THE END OF THIS WEEK WITH A DAILY CHANCE OF SHOWERS AND THUNDERSTORMS. THE BEST CHANCES WILL COME ON WEDNESDAY INTO THURSDAY AS A LARGE UPPER LOW PUSHES OVER THE ROCKIES TOWARDS THE NORTHERN PLAINS. && .AVIATION...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON INTO THE EVENING...WITH SOME THUNDERSTORMS POSSIBLY BECOMING SEVERE WITH LARGE HAIL AND DAMAGING WIND GUSTS. SHOWER ACTIVITY WILL BECOME MORE WIDESPREAD LATER THIS EVENING INTO EARLY MONDAY MORNING...WITH CIGS LOWERING TO MVFR. && .UNR WATCHES/WARNINGS/ADVISORIES... SD...NONE. WY...NONE. && JOHNSON/SCHILD
Hazardous weather outlook, Jun 1, 5:14 AM MST, 6 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 614 AM MDT SUN JUN 1 2008 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-021300- 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- 614 AM MDT (714 AM CDT) SUN JUN 1 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT ISOLATED TO SCATTERED RAIN SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS NORTHEAST WYOMING AND WESTERN SOUTH DAKOTA TODAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS DURING THE AFTERNOON AND EVENING HOURS ACROSS MUCH OF THE AREA. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN THREATS WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ANOTHER DISTURBANCE WILL CROSS THE AREA ON MONDAY. SOME STRONG STORMS ARE ALSO POSSIBLE AGAIN ON MONDAY AFTERNOON. ADDITIONAL WEATHER DISTURBANCES WILL CROSS THE NORTHERN PLAINS THROUGH SATURDAY... BRINGING A DAILY CHANCE OF SHOWERS AND THUNDERSTORMS TO THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
The radar
The Rapid City radar (KUDX), 44 km away, was scanning. The volume nearest the first event began at 19:10 UTC.
Event by event
11 hail, 1 heavy rain. Local standard time, as filed.
Heavy Rain, Custer
- When
- June 1, 12:30 PM MST to 5:00 PM MST
- Where
- Custer County, 2 mi E of Hermosa to 21.5 mi SE of Hermosa
- Reported by
- Broadcast Media
- Coordinates
- 43.830, -103.140
Over two inches of rain fell over central and eastern Custer County. Driveways and yards were flooded east of Hermosa along Highway 40 to the Cheyenne River.
Hail, Custer
- When
- June 1, 12:47 PM MST
- Where
- Custer County, Hermosa
- Measured
- 1 in hail
- Reported by
- NWS Employee
- Coordinates
- 43.830, -103.180
Hail, Pennington
- When
- June 1, 1:10 PM MST
- Where
- Pennington County, 14 mi S of Rapid City
- Measured
- 1.75 in hail
- Reported by
- Law Enforcement
- Coordinates
- 43.877, -103.220
Hail, Custer
- When
- June 1, 1:13 PM MST
- Where
- Custer County, 1 mi W of Hermosa
- Measured
- 1.75 in hail
- Reported by
- Trained Spotter
- Coordinates
- 43.830, -103.200
Hail, Custer
- When
- June 1, 1:35 PM MST
- Where
- Custer County, 7 mi SW of Hermosa
- Measured
- 1.5 in hail
- Reported by
- Trained Spotter
- Coordinates
- 43.758, -103.279
Hail, Custer
- When
- June 1, 1:50 PM MST
- Where
- Custer County, 8 mi S of Hermosa
- Measured
- 4.25 in hail
- Reported by
- Fire Department/Rescue
- Coordinates
- 43.714, -103.180
Hail, Custer
- When
- June 1, 2:21 PM MST
- Where
- Custer County, 6 mi ESE of Fairburn
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 43.647, -103.109
Hail, Custer
- When
- June 1, 2:35 PM MST
- Where
- Custer County, 9 mi S of Folsom
- Measured
- 0.88 in hail
- Reported by
- Law Enforcement
- Coordinates
- 43.690, -102.870
Hail, Oglala Lakota
- When
- June 1, 2:50 PM MST to 3:05 PM MST
- Where
- Oglala Lakota County, 11 mi SE of Red Shirt to 12 mi SE of Red Shirt
- Measured
- 2.5 in hail
- Reported by
- NWS Employee
- Coordinates
- 43.557, -102.745
Quarter to tennis ball sized hail fell in northwestern Shannon County.
Hail, Pennington
- When
- June 1, 3:10 PM MST
- Where
- Pennington County, 5 mi SE of Scenic
- Measured
- 0.75 in hail
- Reported by
- Law Enforcement
- Coordinates
- 43.729, -102.479
Hail, Oglala Lakota
- When
- June 1, 3:50 PM MST
- Where
- Oglala Lakota County, Sharps Corner
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 43.380, -102.400
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Rip Current in Texas, June 1, 2008
- Flooding in Iowa, June 1 to 30, 2008
- Flooding in Iowa, June 1 to 25, 2008
- Flooding in Indiana, June 1 to 20, 2008
- Hail and Damaging Winds in Arkansas, June 1, 2008
- Flash Flooding and Hail in Oklahoma, June 1, 2008
- Hail and Damaging Winds in Mississippi, June 1, 2008
- Flash Flooding and Flooding in Iowa, June 1 to 3, 2008
- Heat and Drought in Texas, June 1 to 20, 2008
- Flooding in Nebraska, June 1 to 21, 2008
- Flash Flooding and Hail in Arkansas, June 1, 2008
- Hail and Damaging Winds in Mississippi, June 1, 2008
More
Every storm in South Dakota in 2008Every state in 2008This day in weather historyWarnings 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 2026-10-01. Each event’s entry at NCEI: 94821, 122245, 94824, 94828, 94825, 94831, 94833, 94834, 94838, 94835, 94837, 94840.