Little Valley Reservoir Weather Forecast

    • 37
    • 63

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

    • 44
    • 69

    Mostly Sunny

    • 44
    • 63

    Partly Sunny

    • 42
    • 66

    Chance Rain

    • 36
    • 54

    Slight Chance Thunderstorms

    • 36
    • 54

    Mostly Sunny

Today 23 Sep Blackfoot Mountains

Sunny with a slight chance of rain. Highs 58 to 65.

Tonight 23 Sep Blackfoot Mountains

Mostly clear. Lows 36 to 46.

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Little Valley Reservoir Temperature Statistics

September Temperature

Afton WY (39.1 miles)

  • Lowest 15 September, 2026

    28.4 °F

  • Average September

    55.2 °F

  • Highest 5 September, 2026

    78.8 °F

Climate (2021–2026)

Afton WY (39.1 miles)

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  • Average Low 2021–2026

    26.4 °F

  • Average 2021–2026

    39.5 °F

  • Average High 2021–2026

    52.2 °F
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