| NWS Forecast for: 6 Miles NNW Keystone SD Issued by: National Weather Service Rapid City, SD Last Update: 6:26 am MDT Aug 16, 2026 | |
| Today: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 25. Calm wind. Winds could gust as high as 27 km/h. Chance of precipitation is 40%. Tonight: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 13. Calm wind. Winds could gust as high as 24 km/h. Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 28. Calm wind. Winds could gust as high as 27 km/h. Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 12. Calm wind. Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 26. Calm wind becoming north 5 to 8 km/h in the afternoon. Winds could gust as high as 26 km/h. Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 12. Calm wind. Wednesday: Showers and thunderstorms likely, mainly after noon. Mostly sunny, with a high near 26. Chance of precipitation is 60%. Wednesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 12. Thursday: Sunny, with a high near 29. Thursday Night: Mostly clear, with a low around 14. Friday: Sunny, with a high near 29. Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 14. Saturday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 30. | |
| 6 Miles NNW Keystone SD 43.98°N 103.47°W (Elev. 4800 m) | |
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