Big Clear Lake Weather Forecast

    • 35
    • 52

    Mostly Sunny

    • 32
    • 54

    Breezy

    • 36
    • 52

    Mostly Sunny

    • 39
    • 61

    Breezy

    • 37
    • 59

    Breezy

    • 41
    • 64

    Breezy

    • 37
    • 58

    Breezy

Today 7 May Western Lemhi County

Mostly sunny. Highs in the mid 60s to lower 70s. West Winds to 15 Mph in the afternoon.

Tonight 7 May Western Lemhi County

Mostly clear. Lows in the upper 30s to mid 40s. North Winds to 15 Mph with Gusts to around 30 Mph in the evening.

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Big Clear Lake Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (33.6 miles)

  • Lowest 1 May, 2026

    30 °F

  • Average May

    45.9 °F

  • Highest 1 May, 2026

    71.1 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (33.6 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    59.1 °F
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