Merna Weather Forecast

    • 29
    • 61

    Breezy

    • 28
    • 43

    Increasing Clouds

    • 24
    • 62

    Mostly Cloudy

    • 13
    • 34

    Mostly Cloudy

    • 6
    • 26

    Mostly Cloudy

    • 20
    • 33

    Partly Sunny

    • 24
    • 48

    Partly Sunny

Today 9 Dec Custer

Breezy. Mostly sunny. Highs in the lower 60s. West Winds 15 to 25 Mph.

Tonight 9 Dec Custer

Very windy. Mostly cloudy with a chance of Sprinkles in the Evening, then mostly clear after midnight. Lows in the upper 20s. Northwest Winds 20 to 35 Mph with Gusts to around 50 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merna Temperature Statistics

December Temperature

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

  • Lowest 1 December, 2025

    10.9 °F

  • Average December

    27.7 °F

  • Highest 2 December, 2025

    51.1 °F

Climate (2020–Present)

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    64 °F
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