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Fish Lake, MT Weather Forecast
Fish Lake, MT Weather Forecast Date: 942 PM MDT Fri Aug 21 2026
The area/counties/county of: Kootenai/Cabinet Region, including the cities of: Libby and Eureka.or toggle through each period.
Tonight... Partly cloudy early in the evening then becoming mostly cloudy. Patchy smoke. Lows in the mid 50s to lower 60s.
Saturday... Mostly cloudy. Slight chance of rain in the morning, then slight chance of showers and thunderstorms in the afternoon. Patchy smoke in the morning. Chance of precipitation 20%. Hot. Some thunderstorms May produce gusty winds. Highs in the 90s.
Saturday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms after midnight. Chance of precipitation 50%. Some thunderstorms May produce gusty winds. Lows in the 50s.
Sunday... Mostly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. Southwest winds to 15 mph.
Sunday Night... Mostly clear. Lows in the mid 40s to lower 50s.
Monday... Sunny. Highs in the 80s to lower 90s.
Monday Night... Mostly clear. Lows in the upper 40s to mid 50s.
Tuesday... Mostly sunny. Highs in the upper 80s to mid 90s.
Tuesday Night... Partly cloudy. Lows in the 50s.
Wednesday... Partly cloudy. Highs in the mid 80s to lower 90s.
Wednesday Night... Partly cloudy. Lows in the upper 40s to mid 50s.
Thursday... Mostly sunny. Highs in the mid 70s to lower 80s.
Thursday Night... Mostly clear. Lows in the 40s.
POP = Probability of Precipitation
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