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Sundown Lake, MT Weather Forecast
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Sundown Lake Weather Forecast
| TODAY | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 | | |  | |  |  |  | |  | | |
| Snow and Rain | Rain and Snow | Rain and Snow | Snow Showers | Snow Showers | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 39°FHi: 4°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 55°FHi: 13°C | Lo: 21°FLo: -6°C | Hi: 55°FHi: 13°C | Lo: 21°FLo: -6°C | Hi: 55°FHi: 13°C | Lo: 21°FLo: -6°C | Hi: 60°FHi: 16°C | Lo: 29°FLo: -2°C |
| POP: 100% | POP: 100% | POP: 60% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 AM MDT Sun Oct 11 2026 
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Issued: 553 AM MDT Sun Oct 11 2026
Key Messages
- Strong weather system impacts the region through midday Monday, with heavy snow over the western mountains, accumulating wet snow along the western foothills, and rain/wet snow for central lower elevations. The east will see occasional rain.
- Good chance of a freeze across the region Monday night.
- Weather pattern remains unsettled through mid week, with slowly rising temps.
- Growing confidence for warmer & drier weather next weekend.
Discussion
... Through next Saturday...
Slowly-evolving...