Basin Lake Weather Forecast

    • 52
    • 70

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 43
    • 62

    Chance Thunderstorms

    • 45
    • 61

    Mostly Sunny

    • 48
    • 66

    Partly Sunny

    • 49
    • 68

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

Today 13 Jul Eastern Lemhi County

Mostly sunny. Highs in the mid 80s to lower 90s. Northwest Winds to 15 Mph in the afternoon.

Tonight 13 Jul Eastern Lemhi County

Mostly clear. Slight chance of Showers and Thunderstorms early in the Evening, then slight chance of rain late in the evening. Chance of precipitation 20 percent. Lows in the 50s to lower 60s. North Winds to 15 Mph in the evening.

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Basin Lake Temperature Statistics

July Temperature

Salmon, Lemhi County Airport (18.6 miles)

  • Lowest 5 July, 2025

    46.7 °F

  • Average July

    69.8 °F

  • Highest 8 July, 2025

    94.6 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (18.6 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    58.2 °F
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