Steamboat Lake Weather Forecast

    • 43
    • 77

    Isolated Thunderstorms

    • 44
    • 84

    Breezy

    • 44
    • 78

    Partly Sunny

    • 44
    • 80

    Slight Chance Thunderstorms

    • 46
    • 83

    Slight Chance Thunderstorms

    • 49
    • 90

    Slight Chance Thunderstorms

Today 21 Jun Green Mountains and Rattlesnake Range

Partly cloudy with scattered Showers and Thunderstorms. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 21 Jun Green Mountains and Rattlesnake Range

Partly cloudy with scattered Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 40s. Northeast Winds 10 to 15 Mph, becoming east after midnight. Chance of rain 30 percent.

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Steamboat Lake Temperature Statistics

June Temperature

Casper, Natrona County International Airport (38.5 miles)

  • Lowest 15 June, 2026

    30.7 °F

  • Average June

    62 °F

  • Highest 6 June, 2026

    96.7 °F

Climate (2021–2026)

Casper, Natrona County International Airport (38.5 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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