Cloud Peak Reservoir Weather Forecast

    • 37
    • 61

    Chance Rain Showers

    • 35
    • 59

    Rain Showers Likely

    • 36
    • 59

    Slight Chance Thunderstorms

    • 39
    • 64

    Partly Sunny

    • 42
    • 66

    Slight Chance Thunderstorms

    • 42
    • 67

    Chance Rain Showers

Today 17 Aug Bighorn Mountains Southeast

Partly cloudy. Highs in the lower 70s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 17 Aug Bighorn Mountains Southeast

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cloud Peak Reservoir Temperature Statistics

August Temperature

Buffalo - Johnson County Airport (18.6 miles)

  • Lowest 4 August, 2026

    44.7 °F

  • Average August

    71.2 °F

  • Highest 1 August, 2026

    101.6 °F

Climate (2021–2026)

Buffalo - Johnson County Airport (18.6 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    59.5 °F
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