Ennis Lake Weather Forecast

    • 42
    • 54

    Chance Rain

    • 38
    • 49

    Chance Rain

    • 38
    • 50

    Partly Sunny

    • 38
    • 55

    Partly Sunny

    • 39
    • 52

    Breezy

    • 35
    • 50

    Chance Rain/Snow

Today 11 Dec Madison River Valley

Breezy, cloudy. Slight chance of rain early in the Afternoon, then chance of rain late in the afternoon. Near steady temperature in the lower 50s. South Winds 15 to 25 Mph with Gusts to around 50 Mph. Chance of rain 30 percent.

Tonight 11 Dec Madison River Valley

Cloudy with a 50 percent chance of rain. Lows in the upper 30s. South Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ennis Lake Temperature Statistics

December Temperature

Ennis - Big Sky Airport (10.6 miles)

  • Lowest 1 December, 2025

    5 °F

  • Average December

    33.1 °F

  • Highest 9 December, 2025

    51.8 °F

Climate (2020–Present)

Ennis - Big Sky Airport (10.6 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    43.9 °F

  • Average High 2020–2025

    55.7 °F
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