| NWS Forecast for: Rapid Valley SD Issued by: National Weather Service Rapid City, SD Last Update: 5:06 pm MDT Aug 12, 2026 |  |
This Afternoon: Showers and thunderstorms likely. Some of the storms could be severe. Cloudy, with a steady temperature around 71. North wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Tonight: Showers and thunderstorms before midnight, then a chance of showers. Some of the storms could be severe. Low around 58. North wind 5 to 9 mph becoming light east after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%. Thursday Night: Showers and possibly a thunderstorm. Low around 59. Southeast wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. 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. South wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Saturday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Chance of precipitation is 70%. 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 55. Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 78. Sunday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. | |
| Rapid Valley SD 44.06°N 103.15°W (Elev. 3107 ft) | |
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