Shelf Lake, MT Weather Forecast
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Shelf Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Partly Cloudy | Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 332 PM MDT Tue Sep 29 2026 

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Issued: 1108 AM MDT Tue Sep 29 2026
Key Messages
- A mainly dry day with temperatures at or slightly above normal today.
- A weak cold front will bring somewhat cooler temperatures Thursday, with a few showers possible in northern Wyoming.
- Mainly dry conditions are expected through the next seven days with odds favoring dry conditions and above normal temperatures.
Discussion
... Issued at 117 AM MDT Tue Sep 29 2026
It has been an active few months, with everything from all-time record heat to a monsoon that seemed like it never wanted to...
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