Weather WorldRock Spring Trail, SD Weather Forecast
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Rock Spring Trail Weather Forecast
| OVERNIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | | | | | | |  |
| Mostly Clear | Mostly Sunny | Clearing | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of Rain |
| Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1037 PM MDT Sat Oct 17 2026 
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Issued: 1049 PM MDT Sat Oct 17 2026
Key Messages
- Warm and dry weather through much of next week.
Discussion
...(This Evening Through Saturday) Issued at 129 PM MDT Sat Oct 17 2026
Water vapor and upper air models show upper ridge dominating the central CONUS this afternoon, with an upper low off the southwest coast. Satellite shows a bit of cirrus clouds in northwestern SD, but otherwise clear skies over the forecast area. Winds are light out of the southwest, with temperatures this afternoon in the 70s.
Aforementioned upper low curren...