Big Sandy, MT Weather Forecast
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Big Sandy Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Mostly Cloudy | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 43°FLo: 6°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 40°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 | Hi: 60°FHi: 16°C Lo: 39°FLo: 4°C | Lo: 35°FLo: 2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MST Mon Nov 09 2026 

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Issued: 456 PM MST Mon Nov 9 2026
Key Messages
- Light mountain precipitation tonight into early Tuesday.
- Gusty winds return to the Rocky Mountain Front tonight and spread further onto the plains Tuesday.
- Temperatures trend warmer for the latter half of the week as upper level ridging builds in, perhaps challenging some record highs.
Discussion
... /Issued 116 PM MST Mon Nov 9 2026/- Meteorological Overview:
Initially zonal flow aloft trends more southwesterly through the remainder of the day and into tonight as another wave moves onsh...
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