Ennis Lake Weather Forecast

    • 5
    • 24

    Mostly Sunny

    • 12
    • 31

    Partly Sunny

    • 26
    • 35

    Chance Snow

    • 27
    • 41

    Rain/Snow Likely

    • 18
    • 35

    Snow Likely

    • 13
    • 25

    Chance Snow

Today 29 Jan Madison River Valley

Sunny. Highs 25 to 30. South Winds up to 10 Mph. Wind chill Readings 5 below to 15 below zero late in the morning.

Tonight 29 Jan Madison River Valley

Mostly clear. Lows 5 to 10. South Winds up to 10 Mph.

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Ennis Lake Temperature Statistics

January Temperature

Ennis - Big Sky Airport (10.6 miles)

  • Lowest 20 January, 2025

    -20.2 °F

  • Average January

    19.4 °F

  • Highest 16 January, 2025

    41 °F

Climate (2020–Present)

Ennis - Big Sky Airport (10.6 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    55.4 °F
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