Tiskilwa Weather Forecast

    • 72
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 71
    • 87

    Rain Showers Likely

    • 67
    • 85

    Chance Thunderstorms

    • 63
    • 79

    Chance Thunderstorms

    • 62
    • 76

    Chance Thunderstorms

Today 9 Aug Bureau

Mostly cloudy late this Morning, then becoming partly sunny. A chance of Thunderstorms. A chance of Showers. Highs in the upper 80s. South Winds around 10 Mph. Chance of rain 50 percent.

Tonight 9 Aug Bureau

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Tiskilwa Temperature Statistics

August Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 3 August, 2026

    60.8 °F

  • Average August

    72.7 °F

  • Highest 7 August, 2026

    86 °F

Climate (2021–2026)

Illinois Valley Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
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