Rock Island Lakes Weather Forecast

    • 26
    • 30

    Blizzard

    • 26
    • 33

    Blizzard

    • 9
    • 29

    Blizzard

    • 22
    • 25

    Snow Likely

    • 27
    • 36

    Chance Snow

    • 30
    • 46

    Partly Sunny

Today 12 Mar Northwest Beaverhead County

Windy, snow. Blowing snow. Snow may be heavy at Times in the morning. Visibility one quarter mile or less at Times. Snow accumulation up to 16 Inches. Highs 31 to 39. West Winds 25 to 35 Mph with Gusts to around 90 Mph. Chance of snow near 100 percent.

Tonight 12 Mar Northwest Beaverhead County

Windy, snow. Patchy blowing snow after midnight. Blowing Snow, then patchy blowing snow. Snow may be heavy at Times. Visibility one quarter mile or less at Times. Snow accumulation up to 35 Inches. Highs 31 to 39. Lows 24 to 32. West Winds 15 to 35 Mph with Gusts to around 90 Mph. Chance of snow near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Lakes Temperature Statistics

March Temperature

Salmon, Lemhi County Airport (15.5 miles)

  • Lowest 3 March, 2026

    23 °F

  • Average March

    39.8 °F

  • Highest 8 March, 2026

    62.1 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (15.5 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    59 °F
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