Tiskilwa Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 64
    • 85

    Slight Chance Thunderstorms

    • 64
    • 85

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

    • 67
    • 88

    Sunny

    • 69
    • 90

    Mostly Sunny

    • 70
    • 91

    Mostly Sunny

Today 9 Jul Bureau

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 9 Jul Bureau

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Southwest Winds around 5 Mph, becoming northeast after midnight. Chance of rain 40 percent.

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Tiskilwa Temperature Statistics

July Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 6 July, 2026

    66.2 °F

  • Average July

    78.2 °F

  • Highest 2 July, 2026

    93.2 °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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