Maple Island Conservation Area Weather Forecast

    • 70
    • 85

    Rain Showers

    • 67
    • 79

    Rain Showers Likely

    • 65
    • 82

    Chance Rain Showers

    • 67
    • 84

    Chance Rain Showers

    • 69
    • 87

    Chance Rain Showers

    • 71
    • 90

    Mostly Sunny

Today 31 Jul St. Charles

A slight chance of Thunderstorms. Showers likely. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 31 Jul St. Charles

A chance of Thunderstorms. Showers. Lows in the upper 60s. South Winds 10 to 15 Mph, becoming southwest after midnight. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

July Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 24 July, 2026

    59.9 °F

  • Average July

    76.9 °F

  • Highest 26 July, 2026

    95 °F

Climate (2021–2026)

St. Louis Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.6 °F
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