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Triangle Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of Rain | Mostly Clear | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Chance of Rain | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain |
| Hi: 46°FHi: 8°C | Lo: 36°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 67°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 56°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 56°FHi: 13°C | Lo: 45°FLo: 7°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1202 AM PST Thu Nov 05 2026 
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Meteorlogic Glosserator
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Issued: 1258 PM MST Wed Nov 4 2026
Discussion
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KEY MESSAGES:- Areas of fog or low clouds again possible tonight.
- Light precipitation is possible Thursday onward.
Looking at satellite you can clearly define mountains to valleys, almost all valleys lower than 6000 feet show up white or filled with low clouds. The mountains are completely clear. The persistent low stratus may linger through late afternoon limiting maximum warming. As an example, the forecast high for Missoula is 48F today, yet at 12:20 pm we are still 34F. Clearly, g...