Expires:202512270000;;249174 FPUS53 KUNR 260958 ZFPUNR Zone Forecast for Western SD and Northeastern WY National Weather Service Rapid City SD 257 AM MST Fri Dec 26 2025 SDZ078-270000- Southern Perkins- Including the cities of Usta, Bison, Sorum, and Zeona 257 AM MST Fri Dec 26 2025 .EARLY THIS MORNING...Partly cloudy. Patchy fog. Near steady temperature in the upper 20s. South winds 5 to 10 mph. .TODAY...Patchy fog in the morning. Partly cloudy. Highs around 50. South winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows in the upper 20s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Highs in the mid 40s. West winds 5 to 10 mph, increasing to northwest 10 to 20 mph with gusts up to 30 mph in the afternoon. .SATURDAY NIGHT...Becoming partly cloudy. A 40 percent chance of snow. Little or no snow accumulation. Windy and much cooler with lows zero to 5 above. Northwest winds 25 to 35 mph with gusts up to 45 mph. Wind chill values around 20 below after midnight. .SUNDAY...Partly cloudy in the morning, then clearing. Windy and much cooler with highs around 10. Northwest winds 25 to 35 mph with gusts up to 45 mph. Wind chill values around 25 below. .SUNDAY NIGHT...Clear. Lows zero to 5 above. .MONDAY...Partly cloudy in the morning, then clearing. Not as cool with highs in the lower 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows around 20. .TUESDAY...Becoming partly cloudy. Highs in the lower 40s. .TUESDAY NIGHT...Mostly cloudy. A slight chance of snow after midnight. Lows around 15. Chance of snow 20 percent. .WEDNESDAY...Partly cloudy. A chance of snow in the morning, then a slight chance of snow and rain in the afternoon. Highs around 30. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain and snow in the evening, then partly cloudy after midnight. Lows 5 to 10 above. Chance of precipitation 20 percent. .NEW YEARS DAY...Becoming partly cloudy. Highs in the lower 20s. $$