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Flathead High School, MT Weather Forecast
Flathead High School, MT Weather Forecast Date: 1222 PM MDT Fri Sep 04 2026
The area/counties/county of: Flathead/Mission Valleys, including the cities of: Kalispell, Polson, and St. Ignatius.or toggle through each period.
Tonight... Partly cloudy early in the evening, then mostly cloudy with a slight chance of rain late in the evening. Mostly cloudy after midnight, then cloudy with a slight chance of rain late in the night. Patchy fog late in the night. Chance of rain 20%. Lows in the 40s.
Saturday... Cloudy with a 50% chance of rain in the morning, then mostly sunny in the afternoon. Patchy fog in the morning. Highs in the upper 60s to mid 70s.
Saturday Night... Mostly cloudy with a chance of rain. Slight chance of thunderstorms in the evening. Chance of precipitation 50%. Lows in the 40s.
Sunday... Mostly cloudy. A chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50%. Highs in the upper 60s to mid 70s.
Sunday Night... Rain showers likely and a slight chance of thunderstorms in the evening, then rain likely after midnight. Chance of precipitation 80%. Lows in the 40s.
Labor Day... Rain likely in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Chance of precipitation 90%. Highs in the upper 50s to mid 60s.
Monday Night... Rain likely in the evening, then a chance of rain after midnight. Chance of rain 70%. Lows in the upper 30s to mid 40s.
Tuesday... Partly cloudy with a 40% chance of rain. Highs in the 60s to lower 70s.
Tuesday Night... Partly cloudy. Lows in the upper 30s to mid 40s.
Wednesday... Partly cloudy. Highs in the upper 60s to mid 70s.
Wednesday Night... Partly cloudy. Lows in the 40s.
Thursday... Partly cloudy. Highs in the 70s.
Thursday Night... Partly cloudy with a 20% chance of rain. Lows in the 40s.
POP = Probability of Precipitation
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