Tiskilwa Weather Forecast

    • 59
    • 73

    Chance Rain Showers

    • 54
    • 69

    Slight Chance Rain Showers

    • 55
    • 69

    Slight Chance Rain Showers

    • 52
    • 70

    Partly Sunny

    • 56
    • 72

    Partly Sunny

    • 62
    • 75

    Rain Showers Likely

Today 24 Sep Bureau

Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 70s. East Winds around 5 Mph.

Tonight 24 Sep Bureau

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tiskilwa Temperature Statistics

September Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    72.5 °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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