Tiskilwa Weather Forecast

    • 65
    • 84

    Rain Showers

    • 56
    • 82

    Partly Sunny

    • 64
    • 84

    Mostly Sunny

    • 63
    • 87

    Chance Rain Showers

    • 63
    • 82

    Chance Rain Showers

    • 65
    • 85

    Rain Showers Likely

Today 9 Sep Bureau

Mostly cloudy. Showers with a chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 9 Sep Bureau

Mostly cloudy. Humid with Lows in the mid 60s. West Winds around 5 Mph.

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  • Temperature Real-Time

Tiskilwa Temperature Statistics

September Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 6 September, 2026

    64.4 °F

  • Average September

    80.9 °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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