Basin Lake, MT Weather Forecast
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Basin Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY |
| Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers | Snow Showers | Snow Showers | Snow Showers | Snow Showers | Snow Showers | Snow Showers |
| Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 51°FHi: 11°C | Lo: 21°FLo: -6°C | Hi: 59°FHi: 15°C |
| POP: 50% | POP: 90% | POP: 100% | POP: 90% | POP: 60% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM MDT Wed Oct 07 2026 

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Issued: 145 PM MDT Wed Oct 7 2026
Key Messages
- Very warm, dry and occasionally breezy through Friday. Fire concerns will remain elevated, and may be critical on Friday with increased winds and lower humidities.
- Cold front arrives early Saturday, then much cooler Saturday night through Tuesday; this will be the coolest air mass yet of the fall.
- Strong weather system arrives this weekend. Increasing confidence for mountains/foothills snow Saturday night to Monday, with rain and wet snow at lower elevations. Greatest potential for s...
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