Alcova Reservoir Weather Forecast

    • 21
    • 40

    Chance Snow Showers

    • 31
    • 52

    Mostly Sunny

    • 38
    • 65

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 49
    • 76

    Partly Sunny

    • 43
    • 71

    Chance Rain Showers

    • 32
    • 59

    Chance Rain Showers

Today 17 Apr Green Mountains and Rattlesnake Range

Partly cloudy with a 30 percent chance of snow Showers. Cooler. Near steady temperature in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 17 Apr Green Mountains and Rattlesnake Range

Partly cloudy with a chance of snow Showers in the Evening, then mostly clear after midnight. Cold with Lows around 16. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of snow 30 percent.

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Alcova Reservoir Temperature Statistics

April Temperature

Casper, Natrona County International Airport (28.6 miles)

  • Lowest 5 April, 2026

    20.6 °F

  • Average April

    45.9 °F

  • Highest 11 April, 2026

    74.6 °F

Climate (2021–Present)

Casper, Natrona County International Airport (28.6 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.4 °F
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