Tiskilwa Weather Forecast

    • 41
    • 84

    Thunderstorms

    • 34
    • 51

    Mostly Sunny

    • 34
    • 55

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 52
    • 76

    Mostly Sunny

Today 17 Apr Bureau

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Breezy with Highs in the lower 80s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to south 20 to 25 Mph with Gusts up to 40 Mph in the afternoon. Chance of rain 50 percent.

Tonight 17 Apr Bureau

Clear. Near steady temperature in the mid 50s. Southeast Winds 5 to 10 Mph.

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Tiskilwa Temperature Statistics

April Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 7 April, 2026

    30.2 °F

  • Average April

    52.3 °F

  • Highest 12 April, 2026

    80.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.5 °F
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