| Event | Severe Thunderstorm Warning |
| Severity | Severe |
| Urgency | Immediate |
| Certainty | Observed |
| Area | Harding, SD; Perkins, SD |
| Effective | 8/17/2026, 2:15:00 PM CDT |
| Expires | 8/17/2026, 3:15:00 PM CDT |
Severe Thunderstorm Warning issued August 17 at 1:15PM MDT until August 17 at 2:15PM MDT by NWS Rapid City SD
Details
SVRUNR
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for…
Northeastern Harding County in northwestern South Dakota…
Northwestern Perkins County in northwestern South Dakota…
* Until 215 PM MDT.
* At 115 PM MDT, a severe thunderstorm was located near Ralph, or 26
miles northeast of Buffalo, moving southeast at 30 mph.
HAZARD…60 mph wind gusts and half dollar size hail.
SOURCE…Radar indicated.
IMPACT…Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
* Locations impacted include…
Ralph and Prairie City.
Instructions
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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