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


Big Trinity Lake, ID Weather Forecast Date: 230 AM MDT Mon Oct 12 2026
Weather forecast for Big Trinity Lake, ID
| Today Hi: 50°FHi: 10°C Lo: 30°F Lo: -1°C |
Today... Snow showers likely this morning, then mostly cloudy with a chance of snow showers this afternoon. Areas of fog. Chance of snow 60%. Little or no snow accumulation. Highs 42 to 56. |
| Tue Hi: 58°FHi: 14°C Lo: 28°F Lo: -2°C |
Tuesday... Areas of fog in the morning. Sunny. Not as cool with highs 50 to 65. |
| Wed Hi: 61°FHi: 16°C Lo: 33°F Lo: 1°C |
Wednesday... Areas of fog in the morning. Sunny. Highs 53 to 67. |
| Thu Hi: 68°FHi: 20°C Lo: 33°F Lo: 1°C |
Thursday... Clear. Areas of fog. Lows 25 to 40. Highs 60 to 74. |
| Fri Hi: 68°FHi: 20°C Lo: 33°F Lo: 1°C |
Friday... Clear. Areas of fog. Lows 25 to 40. Highs 60 to 74. |
| Fri Hi: 68°FHi: 20°C Lo: 38°F Lo: 3°C |
Friday... Clear. Areas of fog. Lows 25 to 40. Highs 60 to 74. |
| Sat Hi: 69°FHi: 21°C Lo: 38°F Lo: 3°C |
Saturday... Mostly clear. Highs 61 to 75. Lows 30 to 45. |
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