Cissna Park Weather Forecast

    • 68
    • 87

    Becoming Sunny

    • 67
    • 83

    Thunderstorms Likely

    • 54
    • 84

    Rain Showers

    • 44
    • 66

    Partly Sunny

    • 49
    • 68

    Mostly Cloudy

    • 55
    • 73

    Slight Chance Rain Showers

    • 58
    • 78

    Slight Chance Thunderstorms

Today 17 May Iroquois

Mostly cloudy. Breezy. Temperatures in the mid 80s. South Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 17 May Iroquois

Partly cloudy in the Evening, then becoming mostly clear. Breezy. Lows in the upper 60s. South Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 30 Mph.

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  • Temperature Real-Time

Cissna Park Temperature Statistics

May Temperature

Rantoul National Aviation Center Airport (23 miles)

  • Lowest 7 May, 2026

    37.4 °F

  • Average May

    56 °F

  • Highest 12 May, 2026

    81.7 °F

Climate (2021–Present)

Rantoul National Aviation Center Airport (23 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.7 °F
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