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Plains, MT Weather Forecast
Plains, MT Weather Forecast Date: 1222 AM MDT Thu Sep 17 2026
The area/counties/county of: Lower Clark Fork Region, including the cities of: Noxon, Thompson Falls, and Superior.or toggle through each period.
Today... Partly cloudy. Areas of fog early in the morning. Highs in the mid 70s to lower 80s.
Tonight... Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 50%. Lows in the mid 40s to lower 50s.
Friday... Mostly cloudy. A 20% chance of showers and thunderstorms in the afternoon. Highs in the 70s.
Friday Night... Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a chance of rain after midnight. Chance of precipitation 50%. Lows in the mid 40s to lower 50s.
Saturday... Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30%. Highs in the 70s.
Saturday Night... Mostly clear. Lows in the mid 40s to lower 50s.
Sunday... Mostly sunny. Highs in the mid 70s to lower 80s.
Sunday Night... Clear. Lows in the mid 40s to lower 50s.
Monday... Mostly sunny. Highs in the mid 70s to lower 80s.
Monday Night... Mostly clear. Lows in the mid 40s to lower 50s.
Tuesday... Mostly sunny. Highs in the mid 70s to lower 80s.
Tuesday Night... Partly cloudy. Lows in the mid 40s to lower 50s.
POP = Probability of Precipitation
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