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Mission Mountains Wilderness, MT Weather Forecast
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Mission Mountains Wilderness Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Chance of Rain | Chance of T-Storm | Smoke | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 20% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 206 PM MDT Wed Aug 26 2026 
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Issued: 1254 PM MDT Wed Aug 26 2026
Discussion
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KEY MESSAGES:- Scattered thunderstorms today into Thursday, with lightning and outflow winds being the main threats.
- A cold front arrives Saturday, bringing cooling temperatures, gusty westerly winds, and precipitation, focused along and south of I-90.
The Northern Rockies will be under the influence of a southwesterly flow pattern aloft through Friday. This pattern is being driven by a ridge of high pressure centered over the Four Corners region and a trough of low pressure centered ...