⚠️ Special Weather Statement – Dawes; Box Butte; North Sioux; South Sioux – Monday, August 17, 2026

Special Weather Statement issued August 17 at 3:46PM MDT by NWS Cheyenne WY

Details

At 346 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Fort Robinson State Park, or 34 miles southwest of
Chadron, moving east at 40 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…
Box Butte Campground, Box Butte Reservoir, Belmont, Marsland, and Box
Butte Dam.

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.