Rock Island Lake Weather Forecast

    • 32
    • 42

    Rain/Snow

    • 33
    • 34

    Snow Showers

    • 27
    • 38

    Snow Showers

    • 25
    • 29

    Snow Showers

    • 18
    • 30

    Snow Showers

    • 22
    • 31

    Partly Sunny

    • 29
    • 39

    Mostly Sunny

Today 3 Nov Boise Mountains

Sunny. Highs 51 to 64.

Tonight 3 Nov Boise Mountains

Rain Showers, mainly after midnight. Areas of fog after midnight. Chance of rain 90 percent. Lows 31 to 46.

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  • Temperature Real-Time

Rock Island Lake Temperature Statistics

November Temperature

Stanley, Stanley Ranger Station (19.9 miles)

  • Lowest 1 November, 2025

    25 °F

  • Average November

    40.9 °F

  • Highest 1 November, 2025

    62.1 °F

Climate (2020–Present)

Stanley, Stanley Ranger Station (19.9 miles)

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  • Average Low 2020–2025

    22.7 °F

  • Average 2020–2025

    38 °F

  • Average High 2020–2025

    53.5 °F
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