De Soto Weather Forecast

    • 11
    • 25

    Becoming Sunny

    • 28
    • 37

    Increasing Clouds

    • 25
    • 47

    Partly Sunny

    • 16
    • 39

    Partly Sunny

    • 4
    • 25

    Chance Snow Showers

    • 6
    • 16

    Chance Snow Showers

    • 8
    • 23

    Mostly Sunny

Today 19 Jan Jackson

Mostly sunny. Near steady temperature in the lower 20s. Northwest Winds 10 to 15 Mph.

Tonight 19 Jan Jackson

Clear, cold with Lows around 11. West Winds around 5 Mph, becoming southwest after midnight.

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De Soto Temperature Statistics

January Temperature

Southern Illinois Airport (2.5 miles)

  • Lowest 17 January, 2026

    16 °F

  • Average January

    40.1 °F

  • Highest 8 January, 2026

    68 °F

Climate (2021–Present)

Southern Illinois Airport (2.5 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.9 °F
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