Maple Island Conservation Area Weather Forecast

    • 10
    • 38

    Mostly Cloudy

    • 3
    • 15

    Mostly Cloudy

    • 8
    • 15

    Snow

    • -2
    • 19

    Slight Chance Snow

    • 2
    • 16

    Mostly Sunny

    • 12
    • 29

    Partly Sunny

Today 22 Jan St. Charles

Partly sunny. Cooler with Highs in the upper 30s. West Winds around 5 Mph.

Tonight 22 Jan St. Charles

Partly cloudy in the Evening, then becoming mostly cloudy. Cooler with Lows around 11. Northwest Winds around 5 Mph, increasing to north 10 to 15 Mph with Gusts up to 25 Mph after midnight. Wind chill Values as low as 4 below after midnight.

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Maple Island Conservation Area Temperature Statistics

January Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 19 January, 2026

    10.9 °F

  • Average January

    35 °F

  • Highest 6 January, 2026

    64.4 °F

Climate (2021–Present)

St. Louis Regional Airport (6.2 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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