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City of Spearfish, SDSpearfish, SD Weather Forecast
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Spearfish Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  | | | | | |  | | |  |  |
| Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Clearing | Chance of Rain |
| Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 45°FLo: 7°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Mon Oct 05 2026 
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Issued: 122 PM MDT Mon Oct 5 2026
Key Messages
- Warm and Breezy today
- Front comes through Tuesday, gusty winds behind it
- Quiet until the weekend
Discussion
...(This Evening Through Monday) Issued at 119 PM MDT Mon Oct 5 2026
Visible satellite shows clear skies for most of the Great Plains. An upper low spinning over northern CA/OR/NV is shedding upper clouds across the northern Rockies. The inject of moisture into the northwest flow may bring these cirrus over the area tomorrow. 18Z surface analysis depicts a warm front oriented zona...