Grantsdale Weather Forecast

    • 20
    • 39

    Increasing Clouds

    • 24
    • 42

    Partly Sunny

    • 25
    • 42

    Mostly Cloudy

    • 28
    • 43

    Mostly Cloudy

    • 32
    • 45

    Mostly Cloudy

    • 31
    • 47

    Mostly Cloudy

Today 26 Jan Missoula/Bitterroot Valleys

Partly cloudy. Highs in the 30s.

Tonight 26 Jan Missoula/Bitterroot Valleys

Mostly cloudy. Lows 19 to 23.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsdale Temperature Statistics

January Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 23 January, 2026

    10.9 °F

  • Average January

    29.8 °F

  • Highest 13 January, 2026

    55.7 °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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