Rock Island Lakes Weather Forecast

    • 23
    • 33

    Snow Likely

    • 19
    • 33

    Snow Showers

    • 15
    • 27

    Snow Likely

    • 17
    • 29

    Snow Likely

    • 18
    • 29

    Snow Likely

    • 16
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    Chance Snow

Today 30 Mar Northwest Beaverhead County

Patchy fog in the morning. Mostly cloudy with a 50 percent chance of snow. Highs 30 to 40. Northeast Winds up to 10 Mph shifting to the southeast in the afternoon.

Tonight 30 Mar Northwest Beaverhead County

Mostly cloudy with a 40 percent chance of snow. Lows 20 to 25. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Rock Island Lakes Temperature Statistics

March Temperature

Salmon, Lemhi County Airport (15.5 miles)

  • Lowest 1 March, 2025

    17.9 °F

  • Average March

    40.5 °F

  • Highest 26 March, 2025

    72 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (15.5 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    57.9 °F
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