Weather forecast for: Rapid City SD
Last Update: 8:41 pm MDT Aug 29, 2026
Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 3 to 7 mph. Winds could gust as high as 15 mph.
Sunday: Mostly sunny, with a high near 89. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 32 mph.
Sunday Night: Partly cloudy, with a low around 56. Northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 34 mph.
Monday: Sunny, with a high near 86. Southwest wind 5 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night: Mostly cloudy, with a low around 60. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Tuesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night: Partly cloudy, with a low around 61.
Wednesday: Mostly sunny, with a high near 91.
Wednesday Night: Partly cloudy, with a low around 62.
Thursday: Sunny, with a high near 91.
Thursday Night: Mostly clear, with a low around 63.
Friday: Sunny, with a high near 92.
Friday Night: Partly cloudy, with a low around 64.
Saturday: Sunny, with a high near 88.