Island Lake Weather Forecast

    • 31
    • 48

    Mostly Sunny

    • 33
    • 53

    Mostly Sunny

    • 31
    • 52

    Snow Showers Likely

    • 23
    • 36

    Snow Showers

    • 24
    • 33

    Snow Showers Likely

    • 28
    • 43

    Chance Snow Showers

Today 2 May Wind River Mountains East

Mostly sunny. Highs in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 2 May Wind River Mountains East

Clear. Lows in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Island Lake Temperature Statistics

May Temperature

South Pass (11.8 miles)

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  • Average May

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Climate (2020–Present)

South Pass (11.8 miles)

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  • Average Low 2020–2024

    32 °F

  • Average 2020–2024

    39.9 °F

  • Average High 2020–2024

    47.8 °F
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