Grantsdale Weather Forecast

    • 22
    • 31

    Chance Snow

    • 23
    • 36

    Chance Snow

    • 24
    • 41

    Mostly Cloudy

    • 27
    • 43

    Mostly Cloudy

    • 35
    • 44

    Slight Chance Rain

    • 32
    • 47

    Mostly Cloudy

    • 30
    • 49

    Mostly Sunny

Today 8 Jan Missoula/Bitterroot Valleys

Mostly cloudy with a 50 percent chance of Areas of snow. Highs in the lower 30s. Southwest Winds to 15 Mph in the afternoon.

Tonight 8 Jan Missoula/Bitterroot Valleys

Mostly cloudy with a 40 percent chance of Areas of snow. Lows in the lower to mid 20s. Southwest Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsdale Temperature Statistics

January Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 1 January, 2026

    16 °F

  • Average January

    31.4 °F

  • Highest 4 January, 2026

    48 °F

Climate (2021–Present)

Missoula, Missoula International Airport (49.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    59.5 °F
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