Rock Spring Reservoir Weather Forecast

    • 65
    • 96

    Increasing Clouds

    • 65
    • 95

    Partly Sunny

    • 62
    • 91

    Partly Sunny

    • 63
    • 89

    Chance Thunderstorms

    • 62
    • 87

    Chance Thunderstorms

    • 60
    • 84

    Chance Thunderstorms

Today 18 Jul Natrona County Lower Elevations

Mostly sunny. Hot with Highs in the mid 90s. Southeast Winds around 10 Mph.

Tonight 18 Jul Natrona County Lower Elevations

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 25 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, 2026

    46.7 °F

  • Average July

    74.3 °F

  • Highest 12 July, 2026

    103.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (34.8 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.5 °F
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