McDonald Lake Weather Forecast

    • 11
    • 20

    Increasing Clouds

    • 12
    • 24

    Mostly Cloudy

    • 19
    • 28

    Mostly Sunny

    • 26
    • 34

    Mostly Cloudy

    • 26
    • 37

    Mostly Cloudy

    • 29
    • 39

    Mostly Cloudy

Today 23 Jan Potomac/Seeley Lake Region

Mostly sunny. Highs 13 to 20. Northeast Winds to 15 Mph in the morning.

Tonight 23 Jan Potomac/Seeley Lake Region

Mostly clear in the evening then becoming mostly cloudy. Very cold. Lows 2 below to 5 above zero.

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McDonald Lake Temperature Statistics

January Temperature

Missoula, Missoula International Airport (34.8 miles)

  • Lowest 21 January, 2026

    14 °F

  • Average January

    29.7 °F

  • Highest 13 January, 2026

    55 °F

Climate (2021–Present)

Missoula, Missoula International Airport (34.8 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    59.5 °F
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