Echo Lake Weather Forecast

    • 28
    • 54

    Snow Likely

    • 23
    • 31

    Snow

    • 17
    • 25

    Snow Showers

    • 15
    • 23

    Snow

    • 18
    • 29

    Chance Snow

    • 21
    • 31

    Chance Snow

    • 23
    • 34

    Chance Snow

Today 21 Apr Western Lemhi County

Partly cloudy. Highs in the 70s. South Winds to 15 Mph in the afternoon.

Tonight 21 Apr Western Lemhi County

Partly cloudy until early Morning, then mostly cloudy with a 30 percent chance of Areas of rain late in the night. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Echo Lake Temperature Statistics

April Temperature

Salmon, Lemhi County Airport (35.4 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 (35.4 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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