Tiskilwa Weather Forecast

    • 59
    • 87

    Decreasing Clouds

    • 53
    • 77

    Chance Rain Showers

    • 68
    • 77

    Chance Rain Showers

    • 64
    • 87

    Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 58
    • 80

    Chance Rain Showers

Today 12 Sep Bureau

Partly cloudy. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph, becoming west this afternoon.

Tonight 12 Sep Bureau

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 50s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Tiskilwa Temperature Statistics

September Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 7 September, 2026

    59 °F

  • Average September

    78.2 °F

  • Highest 1 September, 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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