| NWS Forecast for: Belle Fourche SD Issued by: National Weather Service Rapid City, SD Last Update: 8:28 am MDT Jun 18, 2026 | |
| Today: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Northwest wind around 11 mph, with gusts as high as 23 mph. Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Northwest wind 5 to 9 mph becoming light west. Winds could gust as high as 16 mph. Chance of precipitation is 20%. Juneteenth: Mostly sunny, with a high near 76. West wind 8 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Friday Night: Partly cloudy, with a low around 51. Northeast wind 8 to 14 mph becoming east in the evening. Winds could gust as high as 22 mph. Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 76. Breezy, with an east wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 60%. Saturday Night: Showers and possibly a thunderstorm. Low around 50. Breezy, with an east wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. Sunday: Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 90%. Sunday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 69. Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 46. Tuesday: A slight chance of showers. Sunny, with a high near 75. Tuesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 50. Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 80. | |
| Belle Fourche SD 44.67°N 103.86°W (Elev. 3025 ft) | |
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