Grinnell Lake Weather Forecast

    • 29
    • 45

    Chance Snow Showers

    • 27
    • 43

    Chance Snow Showers

    • 42
    • 60

    Mostly Sunny

    • 35
    • 65

    Breezy

    • 32
    • 44

    Snow Showers Likely

    • 32
    • 49

    Slight Chance Snow Showers

Today 2 May Shirley Basin

Sunny, breezy with Highs in the mid 40s. West Winds 15 to 25 Mph.

Tonight 2 May Shirley Basin

Mostly clear. Cold with Lows in the mid 20s. West Winds around 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grinnell Lake Temperature Statistics

May Temperature

Elk Mountain AWOS (34.8 miles)

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  • Average May

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Climate (2019–Present)

Elk Mountain AWOS (34.8 miles)

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  • Average Low 2019–2024

    34.3 °F

  • Average 2019–2024

    45.1 °F

  • Average High 2019–2024

    55.5 °F
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