Grantsdale Weather Forecast

    • 30
    • 40

    Rain/Snow

    • 20
    • 37

    Rain/Snow Likely

    • 21
    • 29

    Snow Likely

    • 20
    • 34

    Slight Chance Snow

    • 25
    • 40

    Partly Sunny

    • 24
    • 43

    Mostly Cloudy

    • 27
    • 41

    Partly Sunny

Today 6 Jan Missoula/Bitterroot Valleys

Areas of rain and snow in the late morning and early afternoon. Rain and snow likely late in the afternoon. Chance of precipitation 70 percent. Snow level 3500 feet. No snow accumulation. Highs in the mid 30s to lower 40s. Windy with southwest Winds 20 to 30 Mph with Gusts to around 30 Mph.

Tonight 6 Jan Missoula/Bitterroot Valleys

Rain with snow likely. Chance of precipitation 90 percent. Little or no new snow accumulation. Lows near 30. South Winds to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Real-Time

Grantsdale Temperature Statistics

January Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 1 January, 2026

    16 °F

  • Average January

    30.8 °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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