Rock Spring Reservoir Weather Forecast

    • 55
    • 84

    Severe Tstms

    • 55
    • 82

    Slight Chance Thunderstorms

    • 58
    • 85

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

    • 60
    • 93

    Partly Sunny

    • 54
    • 85

    Slight Chance Thunderstorms

Today 5 Jul Natrona County Lower Elevations

Mostly sunny with scattered Showers and Thunderstorms. Some Thunderstorms may be severe with gusty Winds and large hail. Breezy with Highs in the mid 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 5 Jul Natrona County Lower Elevations

Partly cloudy and breezy. Lows in the lower 50s. North Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Spring Reservoir Temperature Statistics

July Temperature

Casper, Natrona County International Airport (34.8 miles)

  • Lowest 2 July, 2025

    55 °F

  • Average July

    79.4 °F

  • Highest 1 July, 2025

    97 °F

Climate (2020–Present)

Casper, Natrona County International Airport (34.8 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    60.2 °F
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