Big Lake Weather Forecast

    • 16
    • 24

    Becoming Sunny

    • 16
    • 29

    Mostly Sunny

    • 12
    • 26

    Mostly Sunny

    • 17
    • 26

    Mostly Sunny

    • 15
    • 27

    Mostly Cloudy

    • 11
    • 23

    Slight Chance Snow

    • 11
    • 21

    Chance Snow

Today 16 Jan Potomac/Seeley Lake Region

Partly cloudy. Areas of freezing fog in the morning. Highs in the upper 20s to mid 30s.

Tonight 16 Jan Potomac/Seeley Lake Region

Mostly clear. Patchy fog late in the evening. Patchy freezing fog after midnight. Lows 13 to 20.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lake Temperature Statistics

January Temperature

Missoula, Missoula International Airport (11.2 miles)

  • Lowest 1 January, 2026

    16 °F

  • Average January

    31.4 °F

  • Highest 13 January, 2026

    55 °F

Climate (2021–Present)

Missoula, Missoula International Airport (11.2 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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