Sheridan Reservoir Weather Forecast

    • 33
    • 63

    Decreasing Clouds

    • 25
    • 49

    Mostly Sunny

    • 36
    • 57

    Mostly Sunny

    • 40
    • 64

    Chance Rain Showers

    • 39
    • 65

    Slight Chance Rain

    • 37
    • 59

    Chance Rain Showers

Today 4 May Centennial Mountains/Island Park

Mostly sunny. Highs 60 to 69.

Tonight 4 May Centennial Mountains/Island Park

Mostly cloudy with a slight chance of rain in the evening. Then partly cloudy after midnight. Colder. Lows 32 to 41.

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Sheridan Reservoir Temperature Statistics

May Temperature

West Yellowstone (32.3 miles)

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Climate (2021–Present)

West Yellowstone (32.3 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    66.5 °F
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