Iowa Lake State Game Management Area Weather Forecast

    • 64
    • 80

    Chance Thunderstorms

    • 62
    • 88

    Thunderstorms Likely

    • 60
    • 78

    Rain Showers Likely

    • 58
    • 77

    Chance Rain Showers

    • 63
    • 83

    Chance Thunderstorms

    • 68
    • 87

    Slight Chance Thunderstorms

    • 71
    • 90

    Mostly Sunny

Today 15 Jun Osceola

Numerous Showers and Thunderstorms. Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 15 Jun Osceola

Partly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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Iowa Lake State Game Management Area Temperature Statistics

June Temperature

Worthington, Worthington Municipal Airport (11.8 miles)

  • Lowest 4 June, 2025

    48.7 °F

  • Average June

    66.2 °F

  • Highest 2 June, 2025

    92.6 °F

Climate (2020–Present)

Worthington, Worthington Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.9 °F
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