Weather WorldGrass Lake, MT 7-Day Night Weather Forecast
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Grass Lake, MT Weather Forecast
Grass Lake, MT Weather Forecast Date: 1222 AM MDT Fri Oct 16 2026
The area/counties/county of: Kootenai/Cabinet Region, including the cities of: Libby and Eureka.or toggle through each period.
Today... Partly cloudy. Areas of fog in the morning. Widespread frost and patchy freezing fog early in the morning. Areas of freezing fog and frost late in the morning. Highs in the 60s.
Tonight... Partly cloudy. Areas of frost after midnight. Lows in the 30s.
Saturday... Partly cloudy. Widespread frost in the morning. Highs in the 60s. South winds to 15 mph with gusts to around 30 mph.
Saturday Night... Partly cloudy. Patchy fog after midnight. Lows in the upper 20s to mid 30s. Southwest winds to 15 mph.
Sunday... Mostly sunny. Highs in the mid 50s to lower 60s.
Sunday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s to mid 30s.
Monday... Mostly cloudy. Highs in the mid 50s to lower 60s.
Monday Night... Mostly cloudy. Lows in the 30s.
Tuesday... Mostly cloudy. Highs in the mid 50s to lower 60s.
Tuesday Night... Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s to mid 30s.
Wednesday... Partly cloudy. Highs in the mid 50s to lower 60s.
Wednesday Night... Partly cloudy. Lows in the 30s.
POP = Probability of Precipitation
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