SD Rapid City SD Zone Forecast for Saturday, September 20, 2025
845 FPUS53 KUNR 202123
ZFPUNR
Zone Forecast for Western SD and Northeastern WY
National Weather Service Rapid City SD
322 PM MDT Sat Sep 20 2025
SDZ024-211100-
Northern Black Hills-
Including the cities of Lead, Deadwood, Cheyenne Crossing,
Brownsville, Terry Peak, Deerfield, Rochford, Mystic,
Silver City, Galena, and Nemo
322 PM MDT Sat Sep 20 2025
.LATE THIS AFTERNOON...Mostly cloudy. Highs in the upper 60s.
Northeast winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows in
the mid 40s. Southwest winds 5 to 10 mph.
.SUNDAY...Sunny. Highs in the lower 70s. Northwest winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 40s.