Southern Illinois University Edwardsville Weather Forecast

    • 4
    • 12

    Increasing Clouds

    • 10
    • 12

    Snow

    • -1
    • 15

    Snow

    • 6
    • 16

    Mostly Sunny

    • 9
    • 30

    Mostly Cloudy

    • 3
    • 22

    Partly Sunny

Today 23 Jan Madison

Mostly cloudy this Morning, then becoming partly sunny. Much cooler with Highs around 14. North Winds 15 to 20 Mph. Wind chill Values as low as 12 below.

Tonight 23 Jan Madison

Mostly cloudy and cold. Near steady temperature around 4 above. Northeast Winds 10 to 15 Mph. Wind chill Values as low as 13 below.

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Southern Illinois University Edwardsville Temperature Statistics

January Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 19 January, 2026

    10.9 °F

  • Average January

    34.5 °F

  • Highest 6 January, 2026

    64.4 °F

Climate (2021–Present)

St. Louis Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    66.3 °F
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