Olson Airport Weather Forecast

    • 52
    • 86

    Rain Showers Likely

    • 47
    • 68

    Rain

    • 46
    • 58

    Rain

    • 46
    • 62

    Rain Likely

    • 48
    • 70

    Slight Chance Rain

    • 51
    • 78

    Chance Rain

    • 49
    • 76

    Slight Chance Rain

Today 29 May Flathead/Mission Valleys

Partly cloudy. A 50 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s.

Tonight 29 May Flathead/Mission Valleys

Mostly cloudy. Chance of rain Showers and a slight chance of Thunderstorms early in the Evening, then slight chance of rain late in the evening. Chance of precipitation 50 percent. Lows in the mid 40s to lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olson Airport Temperature Statistics

May Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 18 May, 2026

    26.7 °F

  • Average May

    54.8 °F

  • Highest 25 May, 2026

    85.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (46 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.9 °F
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