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Home Return to list Severe Thunderstorm Warning 0278 Issued by the Rapid City Forecast Office
Action: New Issued At: 2026-08-12 13:25:20
295
WUUS53 KUNR 121825
SVRUNR
WYC005-121900-
/O.NEW.KUNR.SV.W.0278.260812T1825Z-260812T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
1225 PM MDT Wed Aug 12 2026
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for...
Southeastern Campbell County in northeastern Wyoming...
* Until 100 PM MDT.
* At 1225 PM MDT, a severe thunderstorm was located 12 miles
northeast of Savageton, or 15 miles north of Wright, moving east at
30 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Cordero Rojo Mine, Belle Ayr Mine, Coal Creek Mine, Caballo Mine
and Hilight Gas Plant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4385 10573 4407 10574 4422 10519 4381 10514
TIME...MOT...LOC 1824Z 260DEG 24KT 4396 10559
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Schultz
Action: Continued Issued At: 2026-08-12 13:34:20
768
WWUS53 KUNR 121834
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
1234 PM MDT Wed Aug 12 2026
WYC005-121900-
/O.CON.KUNR.SV.W.0278.000000T0000Z-260812T1900Z/
Campbell WY-
1234 PM MDT Wed Aug 12 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1 PM MDT FOR
SOUTHEASTERN CAMPBELL COUNTY...
At 1234 PM MDT, a severe thunderstorm was located 41 miles south of
Cordero Rojo Mine, or 15 miles north of Wright, moving east at 30
mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Cordero Rojo Mine, Coal Creek Mine, Belle Ayr Mine, Caballo Mine
and Hilight Gas Plant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4386 10563 4409 10566 4422 10519 4381 10514
TIME...MOT...LOC 1825Z 260DEG 24KT 4396 10558
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Schultz
Action: Continued Issued At: 2026-08-12 13:50:06
231
WWUS53 KUNR 121849
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
1249 PM MDT Wed Aug 12 2026
WYC005-121900-
/O.CON.KUNR.SV.W.0278.000000T0000Z-260812T1900Z/
Campbell WY-
1249 PM MDT Wed Aug 12 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1 PM MDT FOR
SOUTHEASTERN CAMPBELL COUNTY...
At 1249 PM MDT, a severe thunderstorm was located 39 miles south of
Cordero Rojo Mine, or 17 miles north of Wright, moving east at 30
mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Coal Creek Mine, Cordero Rojo Mine and Hilight Gas Plant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4385 10551 4402 10552 4414 10518 4381 10514
TIME...MOT...LOC 1834Z 260DEG 24KT 4397 10550
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Schultz
Action: Expired Issued At: 2026-08-12 14:00:21 546 WWUS53 KUNR 121859 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1259 PM MDT Wed Aug 12 2026 WYC005-121909- /O.EXP.KUNR.SV.W.0278.000000T0000Z-260812T1900Z/ Campbell WY- 1259 PM MDT Wed Aug 12 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1 PM MDT FOR SOUTHEASTERN CAMPBELL COUNTY... The Severe Thunderstorm Warning that was previously in effect has been upgraded to a Tornado Warning. Please refer to that bulletin for the latest information on this dangerous weather situation. && LAT...LON 4385 10551 4402 10552 4414 10518 4381 10514 TIME...MOT...LOC 1849Z 260DEG 24KT 4398 10536 $$ Schultz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||