242 
WUUS53 KUNR 210048
SVRUNR
SDC033-047-WYC045-210130-
/O.NEW.KUNR.SV.W.0076.260621T0048Z-260621T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
648 PM MDT Sat Jun 20 2026

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for...
  Custer County in southwestern South Dakota...
  Fall River County in southwestern South Dakota...
  Southeastern Weston County in northeastern Wyoming...

* Until 730 PM MDT.

* At 648 PM MDT, severe thunderstorms were located along a line from
  9 miles southwest of Jewel Cave National Monument to 6 miles south
  of Ardmore, or along a line from 19 miles southwest of Custer to 26
  miles south of Edgemont, moving east at 30 mph.

  HAZARD...60 mph wind gusts and small hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Hot Springs, Custer, Edgemont, Dewey, Oral, Buffalo Gap, Oelrichs,
  Pringle, Fairburn, Smithwick, Provo, Argyle, Rumford, Ardmore,
  Cottonwood Springs Dam, Cold Brook Reservoir, Cascade Falls,
  Maverick Junction, Angostura Reservoir and Wind Cave National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.

&&

LAT...LON 4350 10411 4366 10415 4382 10368 4385 10347
      4385 10325 4340 10308 4300 10303 4300 10389
      4326 10396 4341 10402 4350 10405
TIME...MOT...LOC 0048Z 254DEG 26KT 4361 10391 4332 10374 4294 10366

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Schultz

473 
WWUS53 KUNR 210131
SVSUNR

Severe Weather Statement
National Weather Service Rapid City SD
731 PM MDT Sat Jun 20 2026

SDC033-047-WYC045-210141-
/O.EXP.KUNR.SV.W.0076.000000T0000Z-260621T0130Z/
Custer SD-Fall River SD-Weston WY-
731 PM MDT Sat Jun 20 2026

...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR CUSTER, FALL RIVER AND
SOUTHEASTERN WESTON COUNTIES...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However, gusty
winds as high as 50 MPH are still possible with these thunderstorms
east of Hot Springs and Oelrichs.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT
Saturday for portions of southwest South Dakota and northeast
Wyoming.

If you observed hail, wind damage, or flooding, please report your
observations to the National Weather Service office in Rapid City via
phone, email, or social media, as soon as it is safe to do so.

&&

LAT...LON 4350 10411 4366 10415 4382 10368 4385 10347
      4385 10325 4340 10308 4300 10303 4300 10389
      4326 10396 4341 10402 4350 10405
TIME...MOT...LOC 0048Z 254DEG 26KT 4361 10390 4332 10373 4295 10365

$$

KSmith