Tiskilwa Weather Forecast

    • 59
    • 82

    Mostly Cloudy

    • 55
    • 83

    Slight Chance Thunderstorms

    • 54
    • 83

    Sunny

    • 58
    • 84

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 66
    • 89

    Chance Thunderstorms

Today 31 May Bureau

Mostly cloudy with a 40 percent chance of Showers. Highs in the lower 80s. Southeast Winds around 5 Mph.

Tonight 31 May Bureau

Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 40 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

    63 °F

  • Highest 27 May, 2026

    91.4 °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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