Summit Trail, MT Weather Forecast
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Summit Trail Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
| Chance of Snow | Mostly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Snow and Rain | Snow and Rain | Chance of Snow | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 32°FHi: 0°C | Lo: 25°FLo: -4°C | Hi: 35°FHi: 2°C | Lo: 29°FLo: -2°C | Hi: 43°FHi: 6°C | Lo: 31°FLo: -1°C | Hi: 38°FHi: 3°C | Lo: 29°FLo: -2°C | Hi: 38°FHi: 3°C Lo: 30°FLo: -1°C | Hi: 38°FHi: 3°C Lo: 30°FLo: -1°C | Hi: 42°FHi: 6°C Lo: 29°FLo: -2°C | Hi: 42°FHi: 6°C Lo: 29°FLo: -2°C |
| POP: 20% | POP: 40% | POP: 60% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Thu Oct 29 2026 

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Issued: 1126 PM MDT Wed Oct 28 2026
Key Messages
- Snow & rain showers continue along the Rocky Mountain Front this afternoon and into Thursday.
- A cold front brings cooler temperatures Thursday and Friday.
- Increasing chances for widespread precipitation this weekend.
Discussion
... /Issued 730 PM MDT Wed Oct 28 2026/- Meteorological Overview:
Zonal to southwest flow aloft this afternoon into Thursday will continue to stream moisture over the Continental Divide. As a result, isolated to scattered rain/snow showers will be persistent prima...
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