Souther Reservoir Weather Forecast

    • 39
    • 48

    Decreasing Clouds

    • 28
    • 65

    Chance Rain/Snow

    • 16
    • 33

    Chance Snow Showers

    • 17
    • 31

    Mostly Cloudy

    • 30
    • 56

    Mostly Sunny

    • 34
    • 57

    Mostly Sunny

    • 32
    • 58

    Partly Sunny

Today 10 Dec Dawes

Mostly cloudy with a slight chance of rain and snow Showers. Much cooler with Highs in the mid 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent.

Tonight 10 Dec Dawes

Mostly cloudy this Evening, then becoming partly cloudy. Not as cool. Near steady temperature in the upper 30s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Souther Reservoir Temperature Statistics

December Temperature

Chadron, Chadron Municipal Airport (15.5 miles)

  • Lowest 1 December, 2025

    0 °F

  • Average December

    28.5 °F

  • Highest 8 December, 2025

    51.1 °F

Climate (2020–Present)

Chadron, Chadron Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    63.6 °F
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