| Event | Special Weather Statement |
| Severity | Moderate |
| Urgency | Expected |
| Certainty | Observed |
| Area | Mellette |
| Effective | 8/19/2026, 12:05:00 AM CDT |
| Expires | 8/19/2026, 12:30:00 AM CDT |
Special Weather Statement issued August 19 at 12:05AM CDT by NWS Rapid City SD
Details
At 1205 AM CDT, Doppler radar was tracking a strong thunderstorm over
Corn Creek, or 22 miles west of White River, moving east at 30 mph.
HAZARD…Wind gusts up to 50 mph and half inch size hail.
SOURCE…Radar indicated.
IMPACT…Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include…
Norris, Cedar Butte, Corn Creek and Black Pipe.
Instructions
Monitor the weather situation closely and be alert for threatening
weather conditions.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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