Siah Lake Weather Forecast

    • 12
    • 27

    Chance Snow

    • 12
    • 25

    Partly Sunny

    • 21
    • 27

    Snow

    • 15
    • 26

    Snow

    • 18
    • 26

    Chance Snow

    • 24
    • 28

    Snow

    • 29
    • 33

    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

Siah Lake Temperature Statistics

November Temperature

Missoula, Missoula International Airport (31.7 miles)

  • Lowest 10 November, 2025

    25 °F

  • Average November

    40.1 °F

  • Highest 1 November, 2025

    68 °F

Climate (2020–Present)

Missoula, Missoula International Airport (31.7 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    59.4 °F
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