Southern Illinois Airport Weather Forecast

    • 2
    • 18

    Mostly Sunny

    • 12
    • 27

    Partly Sunny

    • 21
    • 37

    Mostly Sunny

    • 32
    • 44

    Partly Sunny

    • 37
    • 57

    Partly Sunny

    • 35
    • 61

    Partly Sunny

Today 20 Feb Jackson

Mostly sunny. Highs around 17. Northwest Winds 5 to 10 Mph. Wind chill Readings as low as 7 below in the morning.

Tonight 20 Feb Jackson

Partly cloudy. Cold with Lows around 2 above. Northwest Winds around 10 Mph with Gusts up to 25 Mph. Wind chill Readings as low as 9 below.

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Southern Illinois Airport Temperature Statistics

February Temperature

Southern Illinois Airport (0 miles)

  • Lowest 14 February, 2025

    17.9 °F

  • Average February

    38.2 °F

  • Highest 3 February, 2025

    65.6 °F

Climate (2020–Present)

Southern Illinois Airport (0 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.4 °F
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