Tiskilwa Weather Forecast

    • 14
    • 58

    Rain

    • 11
    • 22

    Slight Chance Snow

    • 24
    • 30

    Mostly Cloudy

    • 17
    • 34

    Mostly Cloudy

    • 12
    • 25

    Mostly Sunny

    • 21
    • 32

    Mostly Cloudy

Today 28 Dec Bureau

Mostly cloudy in the Morning, then becoming partly sunny. Windy and much cooler with Highs in the lower 20s. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph. Wind chill Values as low as 6 below in the morning.

Tonight 28 Dec Bureau

Partly cloudy and breezy. Lows around 10 above. Highs in the upper 20s. Wind chill Values as low as 5 below.

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Tiskilwa Temperature Statistics

December Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 14 December, 2025

    -3.3 °F

  • Average December

    25.9 °F

  • Highest 18 December, 2025

    52.7 °F

Climate (2020–Present)

Illinois Valley Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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