Tiskilwa Weather Forecast

    • 62
    • 82

    Chance Thunderstorms

    • 68
    • 87

    Partly Sunny

    • 67
    • 86

    Rain Showers

    • 53
    • 82

    Rain Showers Likely

    • 47
    • 69

    Partly Sunny

    • 49
    • 70

    Partly Sunny

Today 16 May Bureau

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 16 May Bureau

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tiskilwa Temperature Statistics

May Temperature

Illinois Valley Regional Airport (18.6 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    56.2 °F

  • Highest 4 May, 2026

    82.4 °F

Climate (2021–Present)

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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