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Sun River Historical Marker, MT Weather Forecast
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Sun River Historical Marker Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | |  | |  |  |  |  | |  | |
| Sunny | Mostly Clear | Sunny | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Rain | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Sunny |
| Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1122 AM MDT Thu Sep 24 2026 
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Issued: 1135 AM MDT Thu Sep 24 2026
Key Messages
- Unseasonably mild and dry through Friday.
- Gusty winds and perhaps a few isolated thunderstorms accompany a cold front sweeping east across the region Friday evening.
- Much cooler temperatures follow this weekend with windy conditions persisting on Saturday.
Discussion
... /Issued 512 AM MDT Thu Sep 24 2026/- Meteorological Overview:
Anti-cyclonicly curved southwesterly flow aloft around large-scale ridging centered east of the area will support sunny, warm and dry conditions today. Aftern...