Olson Airport Weather Forecast

    • 35
    • 55

    Chance Rain/Snow

    • 33
    • 46

    Chance Rain/Snow

    • 33
    • 50

    Partly Sunny

    • 36
    • 55

    Mostly Sunny

    • 39
    • 57

    Slight Chance Rain

    • 39
    • 60

    Partly Sunny

Today 10 Oct Flathead/Mission Valleys

Mostly cloudy with a 40 percent chance of Areas of rain. Cooler. Highs in the 50s. Northeast Winds 15 to 25 Mph in the afternoon.

Tonight 10 Oct Flathead/Mission Valleys

Mostly cloudy with a chance of snow. A chance of rain in the evening. Chance of precipitation 40 percent. Lows in the mid 20s to lower 30s. Northeast Winds 15 to 25 Mph with Gusts to around 35 Mph.

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Olson Airport Temperature Statistics

October Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 7 October, 2026

    36 °F

  • Average October

    56.1 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (46 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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