St Morgan Weather Forecast

    • 10
    • 30

    Gradual Clearing

    • 12
    • 20

    Increasing Clouds

    • 26
    • 35

    Partly Sunny

    • 22
    • 46

    Partly Sunny

    • 22
    • 34

    Partly Sunny

    • 16
    • 38

    Chance Rain/Snow

    • 6
    • 25

    Chance Snow

Today 18 Jan Madison

Cloudy. Highs around 30. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Jan Madison

Mostly cloudy this Evening, then becoming partly cloudy. Lows around 10 above. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest 15 to 20 Mph with Gusts up to 40 Mph after midnight. Wind chill Values as low as 7 below after midnight.

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St Morgan Temperature Statistics

January Temperature

Belleville, Scott AFB/MidAmerica Airport (11.2 miles)

  • Lowest 15 January, 2026

    18.5 °F

  • Average January

    40.7 °F

  • Highest 6 January, 2026

    69.1 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (11.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    67.7 °F
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