| NWS Forecast for: Rapid Valley SD Issued by: National Weather Service Rapid City, SD Last Update: 9:36 am MDT Aug 13, 2026 | |
| Today: A chance of showers, with thunderstorms also possible after noon. Patchy fog before noon. Otherwise, cloudy, with a high near 70. East wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Tonight: A 30 percent chance of showers. Cloudy, with a low around 61. Southeast wind 6 to 10 mph, with gusts as high as 23 mph. Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 82. Southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Northeast wind 6 to 10 mph becoming north in the evening. Winds could gust as high as 25 mph. Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. North wind 8 to 13 mph, with gusts as high as 24 mph. Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 56. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 40%. Sunday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Sunday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Monday Night: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 58. Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Wednesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. | |
| Rapid Valley SD 44.06°N 103.15°W (Elev. 3107 ft) | |
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