Scott Air Force Base/Midamerica Airport Weather Forecast

    • 47
    • 64

    Rain Likely

    • 39
    • 55

    Chance Rain

    • 25
    • 47

    Partly Sunny

    • 22
    • 36

    Mostly Sunny

    • 33
    • 50

    Mostly Sunny

    • 35
    • 56

    Partly Sunny

Today 8 Jan St. Clair

Cloudy. A chance of rain this Morning, then rain with a slight chance of Thunderstorms this afternoon. Highs in the mid 60s. South Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 40 Mph this afternoon. Chance of rain 90 percent.

Tonight 8 Jan St. Clair

Mostly cloudy with rain with a chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of rain after midnight. Lows in the mid 40s. Southwest Winds 15 to 20 Mph. Gusts up to 40 Mph, decreasing to 30 Mph after midnight. Chance of rain 80 percent.

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Scott Air Force Base/Midamerica Airport Temperature Statistics

January Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 4 January, 2026

    21.9 °F

  • Average January

    35.1 °F

  • Highest 5 January, 2026

    60.4 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    67.6 °F
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