Tiskilwa Weather Forecast

    • 75
    • 94

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

    • 69
    • 90

    Slight Chance Thunderstorms

    • 67
    • 87

    Slight Chance Thunderstorms

    • 67
    • 86

    Partly Sunny

    • 70
    • 87

    Partly Sunny

Today 3 Sep Bureau

Sunny, hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 104.

Tonight 3 Sep Bureau

Mostly clear. Humid with Lows in the mid 70s. South Winds around 5 Mph. Heat index Values up to 100 early in the evening.

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Tiskilwa Temperature Statistics

September Temperature

Illinois Valley Regional Airport (18.6 miles)

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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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