Saint Mary Peak Weather Forecast

    • 20
    • 37

    Blizzard

    • 25
    • 35

    Partly Sunny

    • 30
    • 42

    Mostly Cloudy

    • 31
    • 40

    Rain/Snow Likely

    • 22
    • 37

    Chance Snow

    • 19
    • 30

    Blustery

Today 21 Mar Bitterroot/Sapphire Mountains

Rain likely and Areas of snow. Chance of precipitation near 100 percent. Cooler. No snow accumulation. Highs in the mid 40s to lower 50s. West Winds 15 to 20 Mph. Gusts up to 40 Mph in the afternoon.

Tonight 21 Mar Bitterroot/Sapphire Mountains

Mostly clear. Lows in the 20s to lower 30s. West Winds 15 to 20 Mph with Gusts to around 40 Mph.

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Saint Mary Peak Temperature Statistics

March Temperature

Missoula, Missoula International Airport (28.6 miles)

  • Lowest 15 March, 2026

    17.7 °F

  • Average March

    38.7 °F

  • Highest 19 March, 2026

    68 °F

Climate (2021–Present)

Missoula, Missoula International Airport (28.6 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
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