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Split Rock Lake, MT Weather Forecast
Split Rock Lake, MT Weather Forecast Date: 1232 PM MDT Sat Aug 22 2026
The area/counties/county of: Southern High Plains, including the cities of: Bynum, Choteau, and Pendroy.or toggle through each period.
Rest of Today... Partly sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Tonight... Mostly cloudy with a 20% chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. Southwest winds up to 10 mph.
Sunday... Breezy. Partly sunny in the morning, then sunny with a 20% chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds up to 10 mph increasing to west 10 to 25 mph in the afternoon.
Sunday Night... Mostly clear. Lows in the lower 50s. West winds 5 to 15 mph. Gusts up to 40 mph Decreasing to 25 mph after midnight.
Monday... Sunny. Highs in the upper 70s. West winds up to 10 mph shifting to the north in the afternoon.
Monday Night... Mostly clear. Lows in the mid 50s. Highs in the lower 80s.
Tuesday... Mostly clear. Lows in the mid 50s. Highs in the lower 80s.
Wednesday... Partly cloudy. A 20% chance of thunderstorms. Highs in the upper 80s. Lows in the mid 50s.
Wednesday Night... Partly cloudy. A 20% chance of thunderstorms. Highs in the upper 80s. Lows in the mid 50s.
Thursday... Partly cloudy. Highs in the mid 80s. Lows in the lower 50s.
Thursday Night... Partly cloudy. Highs in the mid 80s. Lows in the lower 50s.
POP = Probability of Precipitation
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