Big Trinity Lake, ID 7-Day Night Weather Forecast
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Big Trinity Lake, ID Weather Forecast


Big Trinity Lake, ID Weather Forecast Date: 230 PM MDT Thu Oct 08 2026
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Tonight... Clear. Lows 38 to 52.
Friday... Sunny. Highs 71 to 85.
Friday Night... Mostly cloudy. Lows 36 to 47.
Saturday... Patchy fog in the morning. Partly cloudy with a 30% chance of rain showers. Much cooler with highs 50 to 65.
Saturday Night... Rain showers likely. Areas of fog after midnight. Chance of rain 60%. Lows 28 to 43.
Sunday... Areas of fog in the morning. Mostly cloudy with a 40% chance of rain showers. Highs 46 to 60.
Sunday Night... Rain showers likely. Areas of fog. Snow showers likely after midnight. Chance of precipitation 60%. Little snow accumulation expected. Lows 25 to 40.
Columbus Day... Rain and snow showers likely in the morning, then partly cloudy with a chance of rain showers in the afternoon. Areas of fog. Chance of precipitation 70%. Little snow accumulation expected. Highs 45 to 59.
Monday Night... Partly cloudy. A chance of rain and snow showers in the evening, then a slight chance of rain showers after midnight. Areas of fog. Chance of precipitation 30%. Lows 24 to 39.
Tuesday... Partly cloudy. A chance of rain and snow showers. Areas of fog in the morning. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 30%. Highs 51 to 64. Lows 25 to 40.
Tuesday Night... Partly cloudy. A chance of rain and snow showers. Areas of fog in the morning. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 30%. Highs 51 to 64. Lows 25 to 40.
Wednesday... Areas of fog in the morning. Partly cloudy with a chance of rain and snow showers. Chance of precipitation 30%. Highs 49 to 62.
Wednesday Night... Partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows 22 to 37.
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