Blue Lake, MT Weather Forecast
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Blue Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Smoke | Smoke | Chance of Rain | Chance of T-Storm | Partly Cloudy | Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Chance of Rain | Chance of Rain | Partly Cloudy |
| Hi: 90°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 95°FHi: 35°C | Lo: 55°FLo: 13°C | Hi: 86°FHi: 30°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 40°FLo: 4°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Tue Aug 25 2026 

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Issued: 352 AM MDT Tue Aug 25 2026
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KEY MESSAGES:- Warmest temperatures today and Wednesday.
- Thunderstorm chances this afternoon, increasing in coverage and northward extent for Wednesday, bringing gusty outflow and lightning.
- Pacific Northwest trough brings gusty winds later this week and cooler temperatures for the weekend.
High pressure will maintain a warming trend across the Northern Rockies today and tomorrow with high temperatures running roughly 10 degrees above seasonal averages. Light southeasterly winds will ...
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