Big Lake Weather Forecast

    • 30
    • 42

    Rain/Snow

    • 28
    • 33

    Snow Likely

    • 25
    • 33

    Snow

    • 27
    • 35

    Slight Chance Snow

    • 27
    • 33

    Slight Chance Snow

    • 27
    • 35

    Chance Snow

Today 26 Oct Potomac/Seeley Lake Region

Mostly cloudy. A 30 percent chance of Areas of rain late in the afternoon. Highs in the mid 40s to lower 50s.

Tonight 26 Oct Potomac/Seeley Lake Region

Mostly cloudy with a chance of rain. A chance of snow after midnight. Chance of precipitation 50 percent. Lows in the upper 20s to mid 30s. Southwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lake Temperature Statistics

October Temperature

Missoula, Missoula International Airport (11.2 miles)

  • Lowest 15 October, 2026

    25.6 °F

  • Average October

    49.8 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (11.2 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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