Neff Reservoir Weather Forecast

    • 56
    • 81

    Decreasing Clouds

    • 58
    • 85

    Slight Chance Thunderstorms

    • 61
    • 90

    Partly Sunny

    • 60
    • 90

    Slight Chance Thunderstorms

    • 58
    • 86

    Slight Chance Thunderstorms

    • 54
    • 83

    Partly Sunny

Today 25 Aug Natrona County Lower Elevations

Partly cloudy in the Morning, then clearing. Highs in the lower 80s. Northwest Winds around 10 Mph, becoming north with Gusts up to 20 Mph in the afternoon.

Tonight 25 Aug Natrona County Lower Elevations

Mostly clear. Lows in the mid 50s. Northeast Winds around 10 Mph.

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Neff Reservoir Temperature Statistics

August Temperature

Casper, Natrona County International Airport (37.3 miles)

  • Lowest 5 August, 2026

    44.7 °F

  • Average August

    72.1 °F

  • Highest 2 August, 2026

    103.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (37.3 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.6 °F
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