Fish Creek Reservoir Weather Forecast

    • 51
    • 76

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 41
    • 63

    Chance Rain Showers

    • 48
    • 70

    Partly Sunny

    • 53
    • 76

    Mostly Cloudy

    • 52
    • 77

    Chance Rain

Today 5 Sep Wood River Foothills

Sunny. Highs 68 to 78. Northwest Winds up to 10 Mph. Shifting to south in the afternoon.

Tonight 5 Sep Wood River Foothills

Mostly clear. Lows 43 to 53. North Winds around 10 Mph.

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Fish Creek Reservoir Temperature Statistics

September Temperature

Hailey, Friedman Memorial Airport (24.2 miles)

  • Lowest 1 September, 2026

    46.4 °F

  • Average September

    57.5 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (24.2 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    43.3 °F

  • Average High 2021–2026

    56.7 °F
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