Rock Bass Reservoir Weather Forecast

    • 23
    • 38

    Windy

    • 27
    • 65

    Windy

    • 23
    • 42

    Slight Chance Snow Showers

    • 37
    • 52

    Mostly Cloudy

    • 32
    • 64

    Breezy

    • 36
    • 57

    Mostly Cloudy

Today 18 Dec Dawes

Mostly sunny with strong Winds. Much cooler with Highs in the mid 30s. Northwest Winds 35 to 45 Mph with Gusts up to 75 Mph, Diminishing to 20 to 30 Mph with Gusts up to 50 Mph in the afternoon.

Tonight 18 Dec Dawes

Partly cloudy and Breezy, cold with Lows in the lower 20s. Temperature rising into the upper 30s after midnight. South Winds 15 to 25 Mph. Gusts up to 45 Mph after midnight.

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Rock Bass Reservoir Temperature Statistics

December Temperature

Chadron, Chadron Municipal Airport (15.5 miles)

  • Lowest 1 December, 2025

    0 °F

  • Average December

    30.6 °F

  • Highest 11 December, 2025

    66.9 °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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