Tiskilwa Weather Forecast

    • 70
    • 83

    Decreasing Clouds

    • 75
    • 93

    Slight Chance Thunderstorms

    • 72
    • 95

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 68
    • 89

    Slight Chance Thunderstorms

Today 25 Jul Bureau

Mostly cloudy. Humid with Highs in the lower 80s. South Winds around 5 Mph.

Tonight 25 Jul Bureau

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows around 70. South Winds around 5 Mph.

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Tiskilwa Temperature Statistics

July Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 22 July, 2026

    59 °F

  • Average July

    77.9 °F

  • Highest 2 July, 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

    62.7 °F
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