Big Deep Lake Weather Forecast

    • 10
    • 19

    Increasing Clouds

    • 17
    • 32

    Mostly Cloudy

    • 7
    • 22

    Mostly Cloudy

    • 18
    • 30

    Mostly Cloudy

    • 11
    • 36

    Mostly Cloudy

    • 8
    • 24

    Mostly Cloudy

Today 21 Dec North Cass

Mostly sunny. Not as cool with Highs around 19. South Winds around 5 Mph.

Tonight 21 Dec North Cass

Partly cloudy. Near steady temperature around 5 below. Southwest Winds around 5 Mph.

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Big Deep Lake Temperature Statistics

December Temperature

Longville, Longville Municipal Airport (9.9 miles)

  • Lowest 14 December, 2025

    -25.6 °F

  • Average December

    9.4 °F

  • Highest 16 December, 2025

    50 °F

Climate (2020–Present)

Longville, Longville Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    41.9 °F

  • Average High 2020–2025

    51.6 °F
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