Tiskilwa Weather Forecast

    • 58
    • 79

    Mostly Sunny

    • 65
    • 82

    Slight Chance Thunderstorms

    • 62
    • 85

    Slight Chance Thunderstorms

    • 60
    • 83

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

    • 67
    • 83

    Chance Rain Showers

    • 71
    • 87

    Chance Rain Showers

Today 24 Aug Bureau

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds around 5 Mph.

Tonight 24 Aug Bureau

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Real-Time

Tiskilwa Temperature Statistics

August Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 21 August, 2026

    59 °F

  • Average August

    73.8 °F

  • Highest 10 August, 2026

    89.6 °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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