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Martin Lake, MT Weather Forecast
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Martin Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of T-Storm |
| Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 76°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 76°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C |
| POP: 60% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Sat Aug 15 2026 
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Martin Lake Forecast Discussion
Issued: 1245 PM MDT Sat Aug 15 2026
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KEY MESSAGES:
- Chances for thunderstorms this afternoon for north-central Idaho, and west-central and southwest Montana. About 10% chance for storms to become severe.
- Shower and thunderstorm activity will continue each afternoon through early next week.
- Warming and drying latter part of next week under a ridge of high pressure.
Southwesterly flow aloft will bring moisture into the Northern Rockies this afternoon. The moisture feed will coincide with a sho...