Four Reservoir, MT Weather Forecast
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Four Reservoir Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Clearing | Windy | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 916 PM MDT Wed Oct 14 2026 

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Issued: 1249 PM MDT Wed Oct 14 2026
Key Messages
- Gusty NW winds are anticipated tomorrow. A Lake Wind Advisory is currently being considered.
- Warm and dry conditions Friday and Saturday.
- Fair weather with daily high temperatures in the low-to-mid 60s throughout the first half of next week.
Discussion
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A cold front associated with an upper-level trough digging over eastern Montana will pass overnight. Winds will veer NW and increase in magnitude following frontal passage. A Lake Wind Advisory is currently being considered for tomorr...
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