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Sun River, MT 7-Day Night Weather Forecast
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Sun River, MT Weather Forecast
Sun River, MT Weather Forecast Date: 401 PM MST Sat Nov 07 2026
The area/counties/county of: Cascade County Below 5000ft, including: Great Falls.or toggle through each period.
Tonight... Colder. Partly cloudy in the evening then becoming mostly cloudy. Lows 40 to 45. South winds 10 to 20 mph. Gusts up to 35 mph after midnight.
Sunday... Very windy. Mostly cloudy. Highs 60 to 65. Southwest winds 20 to 30 mph increasing to 25 to 40 mph in the afternoon.
Sunday Night... Breezy. Mostly cloudy. Lows around 40. Southwest winds 15 to 25 mph Decreasing to 10 to 15 mph after midnight.
Monday... Mostly cloudy. Highs around 55. Southwest winds up to 10 mph.
Monday Night... Mostly cloudy. Lows 40 to 45. Southwest winds 5 to 15 mph.
Tuesday... Windy. Partly cloudy. Highs 55 to 65. Lows around 45.
Wednesday... Windy. Partly cloudy. Highs 55 to 65. Lows around 45.
Thursday... Partly cloudy. Highs 65 to 70. Lows 40 to 45.
Thursday Night... Partly cloudy. Highs 65 to 70. Lows 40 to 45.
Friday... Mostly cloudy. Highs 60 to 65.
Friday Night... Breezy. Partly cloudy. Lows 40 to 45. Highs around 60.
POP = Probability of Precipitation
Sun River Radar Loop
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