Barnum Lake Weather Forecast

    • 12
    • 43

    Increasing Clouds

    • 18
    • 35

    Freezing Drizzle Likely

    • -13
    • 26

    Chance Wintry Mix

    • 3
    • 16

    Chance Snow

    • -7
    • 13

    Mostly Cloudy

    • -1
    • 13

    Mostly Cloudy

Today 16 Dec North Cass

Mostly sunny. Much warmer with Highs in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west 15 to 20 Mph with Gusts up to 45 Mph this afternoon.

Tonight 16 Dec North Cass

Mostly cloudy with a slight chance of very light freezing drizzle in the Evening, then partly cloudy after midnight. Lows around 12. Northwest Winds 15 to 20 Mph with Gusts up to 45 Mph, becoming west 5 to 10 Mph with Gusts up to 30 Mph after midnight.

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Barnum Lake Temperature Statistics

December Temperature

Longville, Longville Municipal Airport (5.6 miles)

  • Lowest 14 December, 2025

    -25.6 °F

  • Average December

    6 °F

  • Highest 5 December, 2025

    23 °F

Climate (2020–Present)

Longville, Longville Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    41.9 °F

  • Average High 2020–2025

    51.6 °F
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