Missoula Weather Forecast

    • 31
    • 53

    Rain/Snow Likely

    • 30
    • 51

    Rain/Snow Likely

    • 33
    • 61

    Partly Sunny

    • 37
    • 66

    Slight Chance Thunderstorms

    • 39
    • 68

    Partly Sunny

    • 42
    • 74

    Partly Sunny

Today 16 May Missoula/Bitterroot Valleys

Rain likely in the Morning, then chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 60 percent. Highs in the lower 50s. West Winds to 15 Mph in the afternoon.

Tonight 16 May Missoula/Bitterroot Valleys

Mostly cloudy with a chance of snow. A chance of rain. Chance of precipitation 40 percent. Lows near 30. Southwest Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Missoula Temperature Statistics

May Temperature

Missoula, Missoula International Airport (5 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 (5 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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