Angostura Reservoir Weather Forecast

    • 28
    • 59

    Chance Snow

    • 31
    • 44

    Chance Snow

    • 14
    • 50

    Rain Likely

    • 10
    • 24

    Slight Chance Snow

    • 14
    • 33

    Mostly Cloudy

    • 23
    • 48

    Partly Sunny

Today 9 Dec Southern Foothills

Partly cloudy. A slight chance of rain and snow in the Morning, then a chance of rain in the afternoon. Very windy with Highs in the mid 50s. West Winds 20 to 30 Mph, increasing to 30 to 45 Mph in the afternoon. Gusts up to 55 Mph. Chance of precipitation 40 percent.

Tonight 9 Dec Southern Foothills

Partly cloudy. Lows in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Angostura Reservoir Temperature Statistics

December Temperature

Custer, Custer County Airport (30.4 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    25.2 °F

  • Highest 6 December, 2025

    37 °F

Climate (2020–Present)

Custer, Custer County Airport (30.4 miles)

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  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
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