Shabbona Lake State Park Weather Forecast

    • 74
    • 91

    Slight Chance Thunderstorms

    • 71
    • 92

    Thunderstorms Likely

    • 68
    • 84

    Rain Showers Likely

    • 69
    • 83

    Chance Thunderstorms

    • 70
    • 90

    Mostly Sunny

    • 71
    • 90

    Slight Chance Thunderstorms

Today 23 Jul De Kalb

Partly cloudy. Isolated Showers and Thunderstorms through mid morning. A slight chance of Showers and Thunderstorms in the afternoon. Hot and humid. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of precipitation 20 percent. Heat index Values up to 108.

Tonight 23 Jul De Kalb

Mostly clear through the early Overnight, then becoming partly cloudy. Warm and humid with Lows in the mid 70s. South Winds around 10 Mph.

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Shabbona Lake State Park Temperature Statistics

July Temperature

Rochelle, Rochelle Municipal-Koritz Field Airport (15.5 miles)

  • Lowest 18 July, 2025

    53.2 °F

  • Average July

    72.8 °F

  • Highest 5 July, 2025

    89.4 °F

Climate (2020–Present)

Rochelle, Rochelle Municipal-Koritz Field Airport (15.5 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    59.8 °F
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