Big Lake Weather Forecast

    • 14
    • 30

    Chance Snow

    • 22
    • 34

    Chance Snow

    • 26
    • 37

    Rain/Snow Likely

    • 27
    • 41

    Chance Snow Showers

    • 31
    • 49

    Partly Sunny

    • 33
    • 50

    Slight Chance Rain/Snow

Today 26 Apr Potomac/Seeley Lake Region

Mostly cloudy. Slight chance of snow in the Morning, then Areas of rain and snow in the afternoon. Chance of precipitation 50 percent. Highs in the upper 30s to mid 40s.

Tonight 26 Apr Potomac/Seeley Lake Region

Mostly cloudy with a 20 percent chance of snow in the Evening, then partly cloudy after midnight. Widespread frost after midnight. Lows 17 to 24. Northeast Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lake Temperature Statistics

April Temperature

Missoula, Missoula International Airport (11.2 miles)

  • Lowest 18 April, 2026

    25.6 °F

  • Average April

    46.1 °F

  • Highest 6 April, 2026

    70.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (11.2 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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