Rasmus Lee Lake Weather Forecast

    • 33
    • 59

    Breezy

    • 31
    • 54

    Partly Sunny

    • 28
    • 48

    Partly Sunny

    • 32
    • 57

    Mostly Sunny

    • 35
    • 54

    Partly Sunny

    • 34
    • 55

    Partly Sunny

Today 11 Dec Natrona County Lower Elevations

Partly cloudy this Morning, then becoming mostly cloudy. Windy with Highs in the upper 50s. Southwest Winds 25 to 35 Mph with Gusts up to 60 Mph, becoming west 15 to 25 Mph with Gusts up to 45 Mph this afternoon.

Tonight 11 Dec Natrona County Lower Elevations

Mostly cloudy and breezy. Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming northeast around 10 Mph with Gusts up to 20 Mph after midnight.

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Rasmus Lee Lake Temperature Statistics

December Temperature

Casper, Natrona County International Airport (13 miles)

  • Lowest 1 December, 2025

    6.1 °F

  • Average December

    31.7 °F

  • Highest 9 December, 2025

    54 °F

Climate (2020–Present)

Casper, Natrona County International Airport (13 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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