Island Lake Weather Forecast

    • 32
    • 44

    Chance Rain

    • 21
    • 45

    Rain

    • 24
    • 43

    Mostly Sunny

    • 20
    • 51

    Partly Sunny

    • 22
    • 41

    Mostly Sunny

    • 33
    • 54

    Partly Sunny

Today 3 Apr McCook

Partly sunny. Highs in the upper 40s. Northwest Winds 5 to 10 Mph, becoming north this afternoon.

Tonight 3 Apr McCook

Mostly cloudy. A chance of rain after midnight. Lows in the lower 30s. East Winds 5 to 10 Mph. Chance of rain 40 percent.

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Island Lake Temperature Statistics

April Temperature

Madison Municipal Airport (14.9 miles)

  • Lowest 1 April, 2025

    30.2 °F

  • Average April

    33.4 °F

  • Highest 1 April, 2025

    35.6 °F

Climate (2020–Present)

Madison Municipal Airport (14.9 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    57.5 °F
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