Weather WorldUpper Fishtrap Lake, MT Weather Forecast
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Upper Fishtrap Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Partly Cloudy | Partly Cloudy | Partly Cloudy | Patchy Fog | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C | Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C | Lo: 35°FLo: 2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Fri Oct 16 2026 
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Issued: 328 AM MDT Fri Oct 16 2026
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KEY MESSAGES:- Gusty winds on Saturday creating choppy conditions for area lakes, especially across northwest Montana.
- Cooler and showery by early to mid next week.
High pressure remains in place over western Montana and north central Idaho today resulting in warm conditions above normal for this time of year. Patchy valley fog is possible again this morning but should dissipate by this afternoon.
A dry cold front is still expected to move through the region on Saturday. Breezy conditi...