NWS Forecast for: 12 Miles W Custer County Airport SD Issued by: National Weather Service Rapid City, SD Last Update: 4:30 pm MDT Jul 18, 2025

Hazardous Weather Outlook This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a high near 80. Southwest wind around 5 mph becoming southeast. Winds could gust as high as 15 mph. Chance of precipitation is 20%. Tonight: Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 57. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%. Saturday: Scattered showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 79. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%. Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Sunday: Sunny, with a high near 85. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Sunday Night: Mostly clear, with a low around 61. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Monday: Sunny, with a high near 86. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Tuesday Night: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 58. Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Friday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.

12 Miles W Custer County Airport SD  43.74°N 103.87°W (Elev. 5640 ft)

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