Sterling State Park Weather Forecast

    • 3
    • 18

    Decreasing Clouds

    • 3
    • 20

    Partly Sunny

    • 13
    • 25

    Slight Chance Snow

    • 4
    • 25

    Mostly Cloudy

    • 5
    • 21

    Mostly Cloudy

    • 16
    • 23

    Mostly Cloudy

    • 3
    • 32

    Chance Snow

Today 31 Jan Monroe

Mostly cloudy. Highs around 18. North Winds 5 to 10 Mph. Lowest wind chill Readings 8 below to 2 above zero until late afternoon.

Tonight 31 Jan Monroe

Partly cloudy. Lows around 1 above. Northwest Winds 5 to 10 Mph. Wind chill Readings 3 below to 13 below zero.

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Sterling State Park Temperature Statistics

January Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 24 January, 2026

    -7.6 °F

  • Average January

    22.6 °F

  • Highest 9 January, 2026

    59 °F

Climate (2021–Present)

Monroe, Custer Airport (5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    60.2 °F
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