Big Sandy, MT 7-Day Weather Forecast

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Big Sandy, MT 7-Day Weather Forecast

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Big Sandy MT weather  - Partly Cloudy - 45°F
Partly Cloudy
45°F
Updated 12:06 am
Feels Like 47°F
Humidity 92%
Wind SW 8 mph
Barometer  30.1 in
Dew Point 43°F
Big Sandy MT weather  - Partly Cloudy - 7°C
Partly Cloudy
7°C
Updated 12:06 am
Feels Like 8°C
Humidity 92%
Wind SW 13 km/h
Barometer  101.9 kPa
Dew Point 6°C
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Big Sandy Weather Forecast

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Big Sandy, MT Weather Forecast Date: 542 PM MDT Mon Sep 14 2026

Weather forecast for Big Sandy, MT


Tonight
Big Sandy MT Weather for Tonight - Chance Of Showers
Lo: 41°F
Lo: 5°C
Tonight... Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy then becoming partly cloudy late in the night. A 20% chance of rain showers in the evening. Patchy fog late in the night. Lows in the lower 40s. Northwest winds 10 to 15 mph with gusts to around 35 mph becoming west up to 5 mph after midnight.
Tue
Big Sandy MT Weather for Tuesday - Patchy Fog
Hi: 65°FHi: 18°C
Lo: 45°F
Lo: 7°C
Tuesday... Partly sunny. Patchy fog in the morning. Highs in the mid 60s. East winds up to 10 mph increasing to 10 to 15 mph in the afternoon.
Wed
Big Sandy MT Weather for Wednesday - Mostly Sunny
Hi: 61°FHi: 16°C
Lo: 45°F
Lo: 7°C
Wednesday... Mostly sunny. Highs in the lower 60s. North winds up to 10 mph.
Thu
Big Sandy MT Weather for Thursday - Sunny
Hi: 71°FHi: 22°C
Lo: 50°F
Lo: 10°C
Thursday... Warmer, sunny. Highs in the lower 70s.
Fri
Big Sandy MT Weather for Friday - Chance Of T-Storm
Hi: 70°FHi: 21°C
Lo: 50°F
Lo: 10°C
Friday... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs around 70. Lows around 50. Chance of precipitation 50%.
Sat
Big Sandy MT Weather for Saturday - Chance Of Showers
Hi: 71°FHi: 22°C
Lo: 49°F
Lo: 9°C
Saturday... Mostly sunny. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Highs in the lower 70s. Chance of showers 40%.
Sun
Big Sandy MT Weather for Sunday - Mostly Clear
Hi: 71°FHi: 22°C
Lo: 49°F
Lo: 9°C
Sunday... Mostly clear. Highs in the lower 70s. Lows in the upper 40s.
Mon
Big Sandy MT Weather for Monday - Mostly Clear
Hi: 71°FHi: 22°C
Lo: 49°F
Lo: 9°C
Monday... Mostly clear. Highs in the lower 70s. Lows in the upper 40s.

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