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Spotted Bear River Trail Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Mostly Sunny | Mostly Clear | Partly Cloudy | Chance of T-Storm | Chance of Rain | Chance of Rain |
| Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Fri Aug 28 2026 
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Issued: 219 AM MDT Fri Aug 28 2026
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KEY MESSAGES:- Isolated thunderstorms across southwest Montana and Lemhi County through this evening, with outflow wind gusts to 40 mph and lightning being the primary storm threats
- Cooler temperatures today through the weekend with widespread precipitation Saturday and Sunday
- Temperatures rebound early next week
Southwesterly flow aloft ahead of an approaching Pacific Northwest trough of low pressure will allow isolated to scattered showers and thunderstorms to develop during the aft...