Cloud Peak Reservoir Weather Forecast

    • 37
    • 62

    Rain Showers

    • 38
    • 60

    Slight Chance Thunderstorms

    • 42
    • 63

    Slight Chance Thunderstorms

    • 46
    • 70

    Mostly Sunny

    • 45
    • 72

    Slight Chance Thunderstorms

    • 37
    • 64

    Chance Thunderstorms

Today 5 Jul Bighorn Mountains Southeast

Partly cloudy with Showers and scattered Thunderstorms. Some Thunderstorms may be severe with large hail. Breezy with Highs in the mid 70s. Southwest Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of rain 80 percent.

Tonight 5 Jul Bighorn Mountains Southeast

Partly cloudy with scattered Showers and Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may be severe with gusty Winds and large hail. Breezy with Lows in the upper 40s. Northwest Winds 20 to 25 Mph with Gusts up to 40 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 30 percent.

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  • Temperature Real-Time

Cloud Peak Reservoir Temperature Statistics

July Temperature

Buffalo - Johnson County Airport (18.6 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    75.7 °F

  • Highest 1 July, 2025

    93 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (18.6 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.9 °F
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