Island Lake Weather Forecast

    • 19
    • 40

    Increasing Clouds

    • 24
    • 42

    Chance Rain/Snow

    • 22
    • 39

    Snow Showers

    • 20
    • 32

    Snow Showers Likely

    • 18
    • 33

    Chance Snow Showers

    • 22
    • 34

    Slight Chance Snow Showers

    • 22
    • 41

    Chance Snow Showers

Today 13 Oct Absaroka Mountains

Mostly sunny. Highs in the lower 40s. Southeast Winds 10 to 15 Mph.

Tonight 13 Oct Absaroka Mountains

Partly cloudy in the Evening, then mostly cloudy with scattered snow and rain Showers after midnight. Widespread frost after midnight. Lows in the upper 20s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 30 percent.

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Island Lake Temperature Statistics

October Temperature

Powell Municipal Airport (36.7 miles)

  • Lowest 6 October, 2025

    32 °F

  • Average October

    51 °F

  • Highest 2 October, 2025

    77 °F

Climate (2020–Present)

Powell Municipal Airport (36.7 miles)

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  • Average Low 2020–2025

    34.6 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    56.5 °F
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