Scott Air Force Base/Midamerica Airport Weather Forecast

    • 30
    • 64

    Partly Sunny

    • 30
    • 46

    Rain/Snow

    • 39
    • 44

    Rain Likely

    • 47
    • 63

    Rain Likely

    • 48
    • 63

    Rain Likely

    • 51
    • 68

    Chance Rain

Today 28 Feb St. Clair

Mostly sunny. A chance of rain this afternoon. Cooler with Highs in the mid 60s. East Winds 5 to 10 Mph, becoming southeast this afternoon. Chance of rain 40 percent.

Tonight 28 Feb St. Clair

Partly cloudy with a slight chance of rain in the Evening, then mostly clear after midnight. Lows around 30. North Winds 10 to 15 Mph. Chance of rain 20 percent.

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Scott Air Force Base/Midamerica Airport Temperature Statistics

February Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 1 February, 2026

    4.5 °F

  • Average February

    38.9 °F

  • Highest 18 February, 2026

    74.8 °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

    57.6 °F

  • Average High 2021–2026

    67.8 °F
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