St. Ignatius Airport Weather Forecast

    • 17
    • 31

    Mostly Cloudy

    • 11
    • 28

    Mostly Cloudy

    • 7
    • 22

    Mostly Sunny

    • 10
    • 25

    Partly Sunny

    • 13
    • 28

    Partly Sunny

    • 20
    • 32

    Slight Chance Snow

    • 22
    • 35

    Mostly Cloudy

Today 21 Jan Flathead/Mission Valleys

Mostly cloudy. Highs in the mid 20s to lower 30s.

Tonight 21 Jan Flathead/Mission Valleys

Mostly cloudy. Lows 12 to 19.

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St. Ignatius Airport Temperature Statistics

January Temperature

Missoula, Missoula International Airport (27.3 miles)

  • Lowest 1 January, 2026

    16 °F

  • Average January

    30.3 °F

  • Highest 13 January, 2026

    55 °F

Climate (2021–Present)

Missoula, Missoula International Airport (27.3 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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