Big Lost Lake Weather Forecast

    • 44
    • 60

    Patchy Smoke

    • 44
    • 62

    Patchy Smoke

    • 49
    • 67

    Patchy Smoke

    • 54
    • 72

    Sunny

    • 55
    • 74

    Sunny

    • 54
    • 72

    Mostly Sunny

Today 3 Aug Sun Valley Region

Sunny. Patchy smoke. Highs 72 to 81.

Tonight 3 Aug Sun Valley Region

Mostly clear. Patchy smoke in the evening. Then Areas of smoke after midnight. Lows 41 to 51.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lost Lake Temperature Statistics

August Temperature

Hailey, Friedman Memorial Airport (24.2 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    71.3 °F

  • Highest 1 August, 2026

    93.2 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (24.2 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    56.6 °F
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