Sun River, MT Weather Forecast
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Sun River Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Partly Cloudy | Windy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Windy | Windy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 43°FLo: 6°C | Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 43°FLo: 6°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 68°FHi: 20°C Lo: 43°FLo: 6°C | Hi: 68°FHi: 20°C Lo: 43°FLo: 6°C | Hi: 63°FHi: 17°C | Hi: 60°FHi: 16°C Lo: 43°FLo: 6°C | Hi: 60°FHi: 16°C Lo: 43°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 401 PM MST Sat Nov 07 2026 

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Issued: 1248 PM MST Sat Nov 7 2026
Key Messages
- It will be windy and mostly dry on Sunday across North-central Montana.
- Through the upcoming work week it will be warm, dry, and breezy with strong winds returning to North-central Montana on Tuesday.
Discussion
...- Meteorological Overview:
This afternoon an upper-level ridge strengthens over North-central, Central, and Southwestern Montana. As it result it will be warm and dry this afternoon. On Sunday the upper-level ridge breaks down. This combined with strong low-level and mid-level...
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