Alcova Reservoir Weather Forecast

    • 38
    • 48

    Chance Rain Showers

    • 36
    • 54

    Partly Sunny

    • 39
    • 50

    Slight Chance Rain Showers

    • 42
    • 64

    Mostly Sunny

Today 16 Oct Green Mountains and Rattlesnake Range

Rain Showers, snow Showers with a slight chance of Thunderstorms. Snow accumulation up to 2 Inches. Breezy with Highs in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 80 percent.

Tonight 16 Oct Green Mountains and Rattlesnake Range

Partly cloudy. Scattered rain Showers in the evening. Breezy with Lows in the lower 30s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.

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Alcova Reservoir Temperature Statistics

October Temperature

Casper, Natrona County International Airport (28.6 miles)

  • Lowest 13 October, 2025

    24.1 °F

  • Average October

    53.4 °F

  • Highest 3 October, 2025

    82.9 °F

Climate (2020–Present)

Casper, Natrona County International Airport (28.6 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    60.2 °F
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