Olson Airport Weather Forecast

    • 35
    • 52

    Rain/Snow

    • 33
    • 54

    Rain/Snow Likely

    • 39
    • 63

    Partly Sunny

    • 41
    • 66

    Chance Rain Showers

    • 43
    • 67

    Slight Chance Rain

    • 47
    • 74

    Partly Sunny

Today 16 May Flathead/Mission Valleys

Rain likely in the Morning, then rain Showers likely and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 70 percent. Highs in the upper 40s to mid 50s. Southwest Winds to 15 Mph in the afternoon.

Tonight 16 May Flathead/Mission Valleys

Mostly cloudy. Areas of rain until early Morning, then Areas of rain and snow late in the night. Patchy fog late in the night. Chance of precipitation 50 percent. Lows in the upper 20s to mid 30s.

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  • Temperature Real-Time

Olson Airport Temperature Statistics

May Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 1 May, 2026

    31.6 °F

  • Average May

    56.1 °F

  • Highest 12 May, 2026

    82.7 °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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