NWS Forecast for: Custer SD Issued by: National Weather Service Rapid City, SD Last Update: 8:29 pm MDT Jul 3, 2025

Hazardous Weather Outlook Tonight: Isolated showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 59. South wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%. Independence Day: A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 76. North wind around 5 mph, with gusts as high as 15 mph. Friday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. Saturday: A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 20 mph. Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 52. Southeast wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Monday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 15 mph. Monday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 55. Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Thursday: A slight chance of showers and thunderstorms. Sunny, with a high near 84.

Custer SD  43.78°N 103.6°W (Elev. 5476 ft)

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