Line Lake Weather Forecast

    • 20
    • 33

    Chance Snow

    • 22
    • 33

    Snow Showers Likely

    • 27
    • 38

    Chance Snow

    • 27
    • 42

    Chance Snow

    • 31
    • 48

    Mostly Sunny

    • 32
    • 50

    Slight Chance Rain/Snow

Today 26 Apr Southern Clearwater Mountains

Mostly cloudy. Areas of frost and patchy fog early in the morning. A 30 percent chance of Areas of rain and snow in the afternoon. Highs 41 to 54.

Tonight 26 Apr Southern Clearwater Mountains

Partly cloudy. A 20 percent chance of rain and snow in the evening. Areas of frost and patchy fog after midnight. Lows in the 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Line Lake Temperature Statistics

April Temperature

Salmon, Lemhi County Airport (46 miles)

  • Lowest 18 April, 2026

    19.9 °F

  • Average April

    44.9 °F

  • Highest 19 April, 2026

    71.1 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (46 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    59.1 °F
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