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Big Sky High School Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 | |  |  |  |  | |  |  |  | | |
| Patchy Fog | Patchy Fog | Partly Cloudy | Mostly Sunny | Chance of Rain | Chance of Rain | Partly Cloudy | Chance of Rain | Chance of T-Storm | Chance of Rain | Chance of Rain | Mostly Sunny |
| Lo: 36°FLo: 2°C | Hi: 77°FHi: 25°C | Lo: 43°FLo: 6°C | Hi: 80°FHi: 27°C | Lo: 47°FLo: 8°C | Hi: 67°FHi: 19°C | Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C | Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C |
| POP: 70% | POP: 30% | POP: 20% | POP: 70% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 206 PM MDT Tue Sep 08 2026 
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Issued: 1256 PM MDT Tue Sep 8 2026
Discussion
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KEY MESSAGES:- Rain in northwest Montana diminishes by this evening.
- A brief drying and warming trend is expected Wednesday and Thursday. Fog or low clouds are possible each morning.
- Chance for frost in high valleys of southwest Montana.
- Unsettled with showers on Friday. Growing confidence for a wet and cool system with high elevation snow developing by this weekend
Satellite imagery this afternoon shows a trough of low pressure moving east over the Continental Divide. This system bro...