St. Ignatius Airport Weather Forecast

    • 39
    • 69

    Mostly Sunny

    • 39
    • 68

    Rain

    • 29
    • 52

    Rain

    • 28
    • 53

    Mostly Cloudy

    • 25
    • 52

    Mostly Cloudy

    • 26
    • 52

    Chance Rain/Snow

Today 21 Oct Flathead/Mission Valleys

Mostly cloudy with a slight chance of snow. Slight chance of rain in the morning. Chance of precipitation 20 percent. Highs in the mid 40s to lower 50s.

Tonight 21 Oct Flathead/Mission Valleys

Mostly clear. Lows in the 30s to lower 40s.

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St. Ignatius Airport Temperature Statistics

October Temperature

Missoula, Missoula International Airport (27.3 miles)

  • Lowest 15 October, 2026

    25.6 °F

  • Average October

    50.2 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (27.3 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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