| National Weather Service Forecast for:
Spearfish SD Issued by: National Weather Service Rapid City, SD |
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| Updated: 9:09 pm MDT Jun 18, 2026 | ||||||||||||||||||
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| Tonight |
A slight chance of showers and thunderstorms between 10pm and midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 52. Light west wind. Chance of precipitation is 20%. |
| Juneteenth |
Increasing clouds, with a high near 72. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. |
| Friday Night |
A 20 percent chance of showers after midnight. Cloudy during the early evening, then gradual clearing, with a low around 53. North wind 5 to 9 mph becoming southeast after midnight. Winds could gust as high as 18 mph. |
| Saturday |
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Southeast wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. |
| Saturday Night |
Showers and possibly a thunderstorm. Low around 54. Southeast wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. |
| Sunday |
Showers and possibly a thunderstorm. High near 66. Northeast wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 90%. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%. |
| Monday |
A chance of showers, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 68. |
| Monday Night |
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 49. |
| Tuesday |
A slight chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 70. |
| Tuesday Night |
Mostly clear, with a low around 50. |
| Wednesday |
A chance of showers and thunderstorms. Sunny, with a high near 73. |
| Wednesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. |
| Thursday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 77. |
Forecast from NOAA-NWS for Spearfish SD.