Weather WorldUpper Whitefish Lake, MT Weather Forecast
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Upper Whitefish Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Rain | Chance of Rain | Windy | Mostly Cloudy | Mostly Cloudy | Clearing | Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 66°FHi: 19°C | Lo: 36°FLo: 2°C | Hi: 46°FHi: 8°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 36°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 50°FHi: 10°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C |
| POP: 40% | POP: 70% | POP: 20% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 232 AM MDT Fri Sep 25 2026 
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Issued: 722 AM MDT Fri Sep 25 2026
Aviation
...A cold front currently along the Cascades will track east across the region today. Expect increasing mechanical turbulence, surface wind gusts, and mountain obscurations, particularly over North-Central Idaho and Northwest Montana. The strongest winds are anticipated through portions of the Mission and Bitterroot valleys, where westerly gusts could approach 40 to 45 kts, mainly between 25/2200z and 26/0300z. Showers will lower ceilings and visibilities at KGPI and surrounding airfield...