Smith Lake, MT Weather Forecast
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Smith Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Clearing | Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Chance of Rain | Rain and Snow | Rain and Snow |
| Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Lo: 41°FLo: 5°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C |
| POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Sun Oct 18 2026 

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Issued: 513 AM MDT Sun Oct 18 2026
Key Messages
- The beginning of the week will feature near normal high temperatures, with above normal temperatures pushing in Wednesday through Friday.
- Southwest flow will bring daily increased chances of precipitation during the afternoon hours Tuesday and Wednesday.
- Precipitation chances increase area wide towards the end of the work week with temperatures returning to near or slightly below normal.
Discussion
... /Issued 1204 AM MDT Sun Oct 18 2026/- Meteorological Overview:
In the wake of Saturday...
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