Twentymile Lake Weather Forecast

    • 22
    • 33

    Chance Snow

    • 18
    • 27

    Partly Sunny

    • 26
    • 33

    Snow

    • 18
    • 29

    Snow

    • 21
    • 29

    Mostly Cloudy

    • 28
    • 33

    Chance Snow

    • 30
    • 36

    Chance Rain/Snow

Today 29 Nov Southern Clearwater Mountains

Mostly cloudy. Patchy freezing fog in the morning. A 20 percent chance of snow late in the afternoon. Highs in the 30s.

Tonight 29 Nov Southern Clearwater Mountains

Mostly cloudy. A 20 percent chance of snow in the late evening and overnight. Patchy freezing fog after midnight. Lows in the 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twentymile Lake Temperature Statistics

November Temperature

Grangeville - Idaho County Airport (24.9 miles)

  • Lowest 25 November, 2025

    24.8 °F

  • Average November

    41.7 °F

  • Highest 1 November, 2025

    66.2 °F

Climate (2020–Present)

Grangeville - Idaho County Airport (24.9 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    57.7 °F
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