Shreiner Reservoir Weather Forecast

    • 32
    • 45

    Breezy

    • 26
    • 51

    Chance Rain/Snow

    • 24
    • 55

    Chance Rain/Snow

    • 13
    • 37

    Chance Snow Showers

    • 18
    • 33

    Mostly Cloudy

    • 24
    • 46

    Partly Sunny

Today 8 Dec Natrona County Lower Elevations

Mostly sunny and breezy. Highs in the mid 40s. West Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 8 Dec Natrona County Lower Elevations

Mostly clear and breezy. Lows in the mid 20s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shreiner Reservoir Temperature Statistics

December Temperature

Casper, Natrona County International Airport (11.2 miles)

  • Lowest 1 December, 2025

    6.1 °F

  • Average December

    27.4 °F

  • Highest 2 December, 2025

    37.9 °F

Climate (2020–Present)

Casper, Natrona County International Airport (11.2 miles)

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  • Average Low 2020–2025

    32.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    60.3 °F
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