Big V Reservoir Weather Forecast

    • 64
    • 90

    Increasing Clouds

    • 50
    • 81

    Breezy

    • 46
    • 77

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

    • 53
    • 84

    Mostly Sunny

    • 49
    • 82

    Mostly Sunny

Today 6 Sep Natrona County Lower Elevations

Mostly sunny and breezy. Highs around 90. Southwest Winds 15 to 20 Mph.

Tonight 6 Sep Natrona County Lower Elevations

Mostly clear. Lows in the upper 50s. Southwest Winds around 10 Mph.

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Big V Reservoir Temperature Statistics

September Temperature

Casper, Natrona County International Airport (34.2 miles)

  • Lowest 3 September, 2026

    55.9 °F

  • Average September

    71.3 °F

  • Highest 2 September, 2026

    85.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (34.2 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    61.6 °F
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