⚠️ Special Weather Statement – Butte – Tuesday, August 18, 2026

Special Weather Statement issued August 18 at 7:18PM MDT by NWS Rapid City SD

Details

At 718 PM MDT, Doppler radar was tracking a strong thunderstorm near
Two Top Butte, or 25 miles north of Belle Fourche, moving east at 35
mph.

HAZARD…Wind gusts of 50 to 55 mph.

SOURCE…Radar indicated.

IMPACT…Gusty winds could knock down tree limbs and blow around
unsecured objects.

Locations impacted include…
Castle Rock, Two Top Butte, Haystack Buttes, Antelope Butte and
Newell Lake.

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.