Boulder Lakes, MT Weather Forecast
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Boulder Lakes Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| 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 | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm |
| Hi: 71°FHi: 22°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 40°FLo: 4°C | Hi: 79°FHi: 26°C | Lo: 41°FLo: 5°C | Hi: 80°FHi: 27°C | Lo: 45°FLo: 7°C |
| POP: 30% | POP: 40% | POP: 50% | POP: 70% | POP: 70% | POP: 60% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 354 AM MDT Sun Aug 16 2026 

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Boulder Lakes Forecast Discussion
Issued: 904 AM MDT Sun Aug 16 2026
Key Messages
- Isolated afternoon/evening showers and thunderstorms expected today and Monday.
- A cold front Tuesday lowers temperatures into the upper 70s/lower 80s, and brings an increased chance of showers/thunderstorms.
- Warmer and mainly dry conditions look to return later this week.
Discussion
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Today through Saturday...
Showers and storms from this evening will continue to die off overnight as the shortwave pushes through the region. This will mean that the first pa...
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