Sunset Lake, MT Weather Forecast
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Sunset Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Mostly Sunny | Mostly Clear | Partly Cloudy | Chance of Rain | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Rain | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain |
| Hi: 76°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 36°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 36°FLo: 2°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Thu Sep 24 2026 

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Issued: 1219 PM MDT Wed Sep 23 2026
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KEY MESSAGES:- Unseasonably warm through Thursday with localized smoke from prescribed burns.
- Cold front Friday afternoon brings strong west winds, choppy lakes, and elevated fire weather concerns.
- Cutoff low this weekend brings widespread rain to Northwest Montana and a couple inches of snow to high peaks of Glacier National Park.
Southwesterly flow aloft will maintain unseasonably warm and dry conditions across the Northern Rockies through Thursday. Isolated, high-based showers may ...
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