| Event | Special Weather Statement |
| Severity | Moderate |
| Urgency | Expected |
| Certainty | Observed |
| Area | North Sioux; South Sioux; Goshen County |
| Effective | 8/25/2026, 8:37:00 PM CDT |
| Expires | 8/25/2026, 9:15:00 PM CDT |
Special Weather Statement issued August 25 at 7:37PM MDT by NWS Cheyenne WY
Details
At 737 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles northwest of Agate Fossil Beds National Monument, or 30 miles
southeast of Lusk, moving southeast at 25 mph.
HAZARD…Wind gusts up to 50 mph and penny size hail.
SOURCE…Radar indicated.
IMPACT…Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include…
Agate Fossil Beds National Monument.
Instructions
If outdoors, consider seeking shelter inside a building.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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