Weather WorldYankee Jim Lake, MT Weather Forecast
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Yankee Jim Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Increasing Clouds | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C | Lo: 41°FLo: 5°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 30% | POP: 40% | POP: 80% | POP: 70% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 104 AM MDT Sat Aug 15 2026 
Yankee Jim Lake Forecast Discussion
Issued: 1226 AM MDT Sat Aug 15 2026
Key Messages
- Afternoon scattered showers and thunderstorms continue today through Monday with a few strong storms possible near the mountains and foothills.
- A cold front Tuesday lowers temperatures into the 70s and low 80s F for Tuesday/Wednesday and brings low to moderate precipitation chances.
- Warm and dry conditions look to return late next week.
Discussion
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Today through Friday...
Southwest flow...
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