| Event | Severe Thunderstorm Warning |
| Severity | Severe |
| Urgency | Immediate |
| Certainty | Observed |
| Area | Fall River, SD |
| Effective | 8/12/2026, 5:42:00 PM CDT |
| Expires | 8/12/2026, 6:15:00 PM CDT |
Severe Thunderstorm Warning issued August 12 at 4:42PM MDT until August 12 at 5:15PM MDT by NWS Rapid City SD
Details
SVRUNR
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.
Instructions
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.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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