Weather WorldSun River Historical Marker, MT 7-Day Night Weather Forecast
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Sun River Historical Marker, MT Weather Forecast
Sun River Historical Marker, MT Weather Forecast Date: 1232 AM MDT Tue Sep 01 2026
The area/counties/county of: Southern High Plains, including the cities of: Bynum, Choteau, and Pendroy.or toggle through each period.
Rest of Tonight... Partly cloudy. A 40% chance of rain showers. Highs in the lower 80s. Lows 48 to 55. Southwest winds up to 15 mph with gusts to around 30 mph.
Wednesday... Breezy. Mostly sunny in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph with gusts to around 25 mph increasing to south 15 to 25 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 70%.
Wednesday Night... Breezy. Mostly cloudy with a 20% chance of rain showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Southwest winds 15 to 25 mph Decreasing to 5 to 15 mph after midnight. Gusts up to 50 mph.
Thursday... Breezy. Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. Southwest winds 5 to 25 mph with gusts to around 45 mph.
Thursday Night... Breezy. Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. Southwest winds 5 to 25 mph with gusts to around 45 mph.
Friday... Mostly sunny. Highs in the upper 60s.
Friday Night... Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows in the mid 40s. Chance of showers 40%.
Saturday... Mostly sunny. A 20% chance of rain showers in the morning. Highs in the upper 60s.
Saturday Night... Partly cloudy. A 30% chance of rain showers. Lows in the mid 40s. Highs in the upper 60s.
Sunday... Partly cloudy. A 30% chance of rain showers. Lows in the mid 40s. Highs in the upper 60s.
Sunday Night... Rain showers likely. Lows in the upper 40s. Chance of showers 60%.
Labor Day... Partly sunny with a 50% chance of rain showers. Highs in the upper 60s.
Monday Night... Mostly cloudy with a 40% chance of rain showers. Lows in the upper 40s.
POP = Probability of Precipitation
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