Sullivan Lake Weather Forecast

    • 18
    • 40

    Chance Snow Showers

    • 22
    • 47

    Mostly Sunny

    • 30
    • 56

    Mostly Sunny

    • 38
    • 66

    Partly Sunny

    • 40
    • 71

    Partly Sunny

    • 40
    • 69

    Partly Sunny

Today 16 Apr Wood River Foothills

Partly sunny. A slight chance of snow Showers in the morning. Then a chance of snow Showers in the afternoon. Windy. Snow accumulation up to 1 inch. Highs 30 to 40. West Winds 20 to 30 Mph.

Tonight 16 Apr Wood River Foothills

Mostly clear. A slight chance of snow Showers in the evening. Colder. Lows 16 to 23. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Lake Temperature Statistics

April Temperature

Hailey, Friedman Memorial Airport (14.3 miles)

  • Lowest 3 April, 2026

    26.6 °F

  • Average April

    49.4 °F

  • Highest 6 April, 2026

    71.6 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (14.3 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    56.6 °F
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