Weather WorldSt. Mary's Lake, MT 7-Day Night Weather Forecast
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St. Mary's Lake, MT Weather Forecast
St. Mary's Lake, MT Weather Forecast Date: 1223 PM MDT Thu Oct 08 2026
The area/counties/county of: Potomac/Seeley Lake Region, including the cities of: East Missoula, Seeley Lake, and Clinton.or toggle through each period.
Tonight... Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Lows in the mid 30s to lower 40s.
Friday... Partly cloudy. Highs in the mid 60s to lower 70s. Southwest winds to 15 mph with gusts to around 35 mph.
Friday Night... Mostly cloudy with a 50% chance of rain. Lows in the mid 30s to lower 40s. West winds to 15 mph with gusts to around 30 mph.
Saturday... Rain likely in the morning, then rain and snow likely in the afternoon. Chance of precipitation 80%. Cooler. Highs in the mid 40s to lower 50s.
Saturday Night... Rain and snow likely. Chance of precipitation 90%. Snow level 5000 feet. Light snow accumulations. Lows in the 20s. East winds 15 to 20 mph with gusts to around 30 mph.
Sunday... Snow likely in the morning, then slight chance of rain and snow in the afternoon. Chance of precipitation 60%. Highs in the mid 30s to lower 40s.
Sunday Night... Mostly cloudy with a 40% chance of snow. Lows 18 to 25.
Columbus Day... Partly cloudy. Highs in the 40s.
Monday Night... Mostly clear. Lows in the 20s to lower 30s.
Tuesday... Mostly sunny. Highs in the 50s.
Tuesday Night... Partly cloudy. A 20% chance of rain and snow after midnight. Lows in the upper 20s to mid 30s.
Wednesday... Mostly cloudy with a chance of rain. A chance of snow in the morning. Chance of precipitation 40%. Highs in the mid 40s to lower 50s.
Wednesday Night... Mostly cloudy with a 40% chance of rain and snow. Lows in the mid 20s to lower 30s.
POP = Probability of Precipitation
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