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Home Return to list Severe Thunderstorm Warning 0287 Issued by the Rapid City Forecast Office
Action: New Issued At: 2026-08-12 17:42:27
099
WUUS53 KUNR 122242
SVRUNR
SDC047-122315-
/O.NEW.KUNR.SV.W.0287.260812T2242Z-260812T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
442 PM MDT Wed Aug 12 2026
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for...
Southeastern Fall River County in southwestern South Dakota...
* Until 515 PM MDT.
* At 442 PM MDT, a severe thunderstorm was located 9 miles south of
Angostura Reservoir, or 18 miles south of Hot Springs, moving east
at 30 mph.
HAZARD...Tennis ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Oelrichs and Hay Canyon Butte.
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
widespread damaging winds and dangerous hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 4306 10364 4319 10364 4327 10354 4327 10300
4316 10300 4300 10304 4300 10343
TIME...MOT...LOC 2242Z 281DEG 24KT 4317 10342
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Schultz
Action: Continued Issued At: 2026-08-12 17:54:57
485
WWUS53 KUNR 122254
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
454 PM MDT Wed Aug 12 2026
SDC047-122315-
/O.CON.KUNR.SV.W.0287.000000T0000Z-260812T2315Z/
Fall River SD-
454 PM MDT Wed Aug 12 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR
SOUTHEASTERN FALL RIVER COUNTY...
At 454 PM MDT, a severe thunderstorm was located near Oelrichs, or 21
miles southeast of Hot Springs, moving east at 30 mph.
HAZARD...Tennis ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Oelrichs and Hay Canyon Butte.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
widespread damaging winds and dangerous hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 4306 10352 4325 10343 4327 10300 4316 10300
4300 10304 4300 10336
TIME...MOT...LOC 2242Z 281DEG 24KT 4317 10342
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Schultz
Action: Continued Issued At: 2026-08-12 18:03:58
839
WWUS53 KUNR 122303
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
503 PM MDT Wed Aug 12 2026
SDC047-122315-
/O.CON.KUNR.SV.W.0287.000000T0000Z-260812T2315Z/
Fall River SD-
503 PM MDT Wed Aug 12 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR
SOUTHEASTERN FALL RIVER COUNTY...
At 503 PM MDT, a severe thunderstorm was located over Oelrichs, or 24
miles southeast of Hot Springs, moving east at 30 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Oelrichs.
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
widespread damaging winds and dangerous hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 4306 10352 4321 10336 4323 10300 4316 10300
4300 10304 4300 10336
TIME...MOT...LOC 2254Z 281DEG 24KT 4315 10331
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Schultz
Action: Expired Issued At: 2026-08-12 18:11:28
084
WWUS53 KUNR 122311
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
511 PM MDT Wed Aug 12 2026
SDC047-122321-
/O.EXP.KUNR.SV.W.0287.000000T0000Z-260812T2315Z/
Fall River SD-
511 PM MDT Wed Aug 12 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 515 PM MDT FOR
SOUTHEASTERN FALL RIVER COUNTY...
The Severe Thunderstorm Warning that was previously in effect has
been reissued for Fall River County and is in effect until 600 PM
MDT. Please refer to that bulletin for the latest severe weather
information.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for a
portion of southwest South Dakota.
&&
LAT...LON 4306 10352 4321 10336 4323 10300 4316 10300
4300 10304 4300 10336
TIME...MOT...LOC 2303Z 281DEG 24KT 4314 10322
$$
Schultz
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