Sterling State Park Weather Forecast

    • 20
    • 29

    Flurries

    • 20
    • 28

    Snow Likely

    • 10
    • 30

    Snow Likely

    • 14
    • 22

    Mostly Cloudy

    • 18
    • 27

    Mostly Cloudy

    • 17
    • 29

    Mostly Cloudy

    • 22
    • 30

    Mostly Cloudy

Today 29 Dec Monroe

Very windy. Cloudy. Snow Showers in the Morning, then a chance of snow Showers in the afternoon. Accumulations 1 to 2 Inches. Highs around 30. West Winds 25 to 35 Mph with Gusts up to 60 Mph. Chance of snow 90 percent.

Tonight 29 Dec Monroe

Windy. Mostly cloudy with a chance of Flurries. Lows around 20. Northwest Winds 15 to 30 Mph. Gusts up to 45 Mph in the evening.

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Sterling State Park Temperature Statistics

December Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 5 December, 2025

    1.4 °F

  • Average December

    28.2 °F

  • Highest 18 December, 2025

    55.4 °F

Climate (2020–Present)

Monroe, Custer Airport (5 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.2 °F
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