Summit Reservoir Weather Forecast

    • 16
    • 32

    Increasing Clouds

    • 21
    • 26

    Snow

    • 15
    • 29

    Snow

    • 19
    • 27

    Snow Likely

    • 21
    • 28

    Snow Likely

    • 15
    • 28

    Snow Likely

    • 7
    • 23

    Chance Snow

Today 30 Jan Lost River Range

Sunny. Highs 25 to 35.

Tonight 30 Jan Lost River Range

Increasing Clouds. Lows 11 to 21.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Reservoir Temperature Statistics

January Temperature

Salmon, Lemhi County Airport (58.4 miles)

  • Lowest 26 January, 2025

    -7.1 °F

  • Average January

    19.2 °F

  • Highest 4 January, 2025

    42.7 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (58.4 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    57.9 °F
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