Maple Island Conservation Area Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 70
    • 84

    Thunderstorms

    • 66
    • 80

    Rain Showers Likely

    • 66
    • 83

    Slight Chance Thunderstorms

    • 68
    • 86

    Mostly Sunny

    • 70
    • 88

    Chance Rain Showers

Today 30 Jul St. Charles

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 30 Jul St. Charles

Partly cloudy. A slight chance of Showers after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 20 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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