Cloud Peak Reservoir Weather Forecast

    • 6
    • 16

    Blustery

    • 23
    • 30

    Windy

    • 22
    • 34

    Windy

    • 25
    • 36

    Windy

    • 21
    • 37

    Windy

    • 20
    • 33

    Breezy

Today 20 Dec Bighorn Mountains Southeast

Mostly sunny and breezy. Highs in the mid 20s. West Winds 15 to 25 Mph with Gusts up to 50 Mph.

Tonight 20 Dec Bighorn Mountains Southeast

Mostly clear in the Evening, then becoming partly cloudy. Breezy, cold with Lows 12 to 22. West Winds 15 to 20 Mph with Gusts up to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cloud Peak Reservoir Temperature Statistics

December Temperature

Buffalo - Johnson County Airport (18.6 miles)

  • Lowest 12 December, 2025

    10 °F

  • Average December

    34.8 °F

  • Highest 14 December, 2025

    64.9 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (18.6 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.9 °F
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