Olson Airport Weather Forecast

    • 36
    • 51

    Rain Likely

    • 32
    • 49

    Mostly Cloudy

    • 35
    • 49

    Mostly Cloudy

    • 37
    • 52

    Rain Likely

    • 34
    • 48

    Rain/Snow Likely

    • 34
    • 49

    Partly Sunny

    • 34
    • 51

    Mostly Cloudy

Today 28 Oct Flathead/Mission Valleys

Partly cloudy. Highs in the upper 40s to mid 50s.

Tonight 28 Oct Flathead/Mission Valleys

Rain likely early in the Evening, then Areas of rain in the late evening and overnight. Slight chance of snow after midnight. Patchy fog late in the night. Chance of precipitation 70 percent. No snow accumulation. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olson Airport Temperature Statistics

October Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 15 October, 2026

    25.6 °F

  • Average October

    49.1 °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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