Island Lake Weather Forecast

    • 32
    • 51

    Rain Showers

    • 27
    • 45

    Snow Showers

    • 29
    • 51

    Chance Thunderstorms

    • 32
    • 56

    Slight Chance Thunderstorms

    • 35
    • 59

    Chance Thunderstorms

    • 34
    • 58

    Chance Thunderstorms

Today 30 May Absaroka Mountains

Rain Showers with possible Thunderstorms and snow Showers. Patchy fog. Snow accumulation up to 1 inch. Highs in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 80 percent.

Tonight 30 May Absaroka Mountains

Rain Showers. A chance of Thunderstorms and snow Showers likely in the Evening, then snow Showers with a slight chance of Thunderstorms after midnight. Patchy fog. Snow accumulation up to 1 inch. Lows in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 80 percent.

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Island Lake Temperature Statistics

May Temperature

Powell Municipal Airport (36.7 miles)

  • Lowest 6 May, 2026

    23 °F

  • Average May

    54.4 °F

  • Highest 13 May, 2026

    91.4 °F

Climate (2021–Present)

Powell Municipal Airport (36.7 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    57.4 °F
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