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Upper Lake, MT Weather Forecast
Upper Lake, MT Weather Forecast Date: 206 PM MDT Tue Sep 08 2026
The area/counties/county of: Kootenai/Cabinet Region, including the cities of: Libby and Eureka.or toggle through each period.
Tonight... Mostly clear. Patchy fog late in the night. Lows in the upper 30s to mid 40s.
Wednesday... Mostly sunny. Areas of fog in the morning. Highs in the 70s.
Wednesday Night... Mostly cloudy. Lows in the 40s.
Thursday... Partly cloudy. Highs in the 70s.
Thursday Night... A chance of rain in the evening, then rain showers likely and a slight chance of thunderstorms after midnight. Chance of precipitation 80%. Lows in the 40s.
Friday... Slight chance of thunderstorms. Rain showers likely in the morning, then chance of rain showers in the afternoon. Chance of precipitation 70%. Highs in the 60s.
Friday Night... Mostly cloudy. A 20% chance of rain in the evening. Lows in the 40s.
Saturday... Mostly cloudy. Highs in the 60s.
Saturday Night... Mostly cloudy with a 40% chance of rain. Lows in the mid 30s to lower 40s.
Sunday... Mostly cloudy with a 40% chance of rain. Highs in the 60s.
Sunday Night... Partly cloudy. A 20% chance of rain in the evening. Lows in the mid 30s to lower 40s.
Monday... Partly cloudy. Highs in the mid 60s to lower 70s.
Monday Night... Mostly clear. Lows in the upper 30s to mid 40s.
POP = Probability of Precipitation
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