Weather WorldUpper Cannon Lake, ID Weather Forecast
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Upper Cannon Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Mostly Clear | Sunny | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 50°FLo: 10°C | Hi: 86°FHi: 30°C | Lo: 56°FLo: 13°C | Hi: 87°FHi: 31°C | Lo: 55°FLo: 13°C | Hi: 74°FHi: 23°C | Lo: 55°FLo: 13°C | Hi: 77°FHi: 25°C | Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C |
| POP: 50% | POP: 50% | POP: 60% | POP: 40% | POP: 50% | POP: 40% | POP: 30% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1123 AM PDT Sun Aug 30 2026 
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Issued: 154 PM MDT Sun Aug 30 2026
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KEY MESSAGES:- Unseasonably cold temperatures will bring frost to high- elevation valleys Monday morning, marking some of the coldest temperatures seen so far this year.
- A brief warm-up with dry conditions and low relative humidities in the teens to low 20s is expected early next week.
- A shortwave disturbance on Wednesday will increase thunderstorm activity and winds, posing a near-critical fire weather risk in southwest Montana before precipitation arrives.
- An active, cooler weather...