Maple Island Conservation Area Weather Forecast

    • 72
    • 83

    Thunderstorms Likely

    • 75
    • 91

    Chance Rain Showers

    • 75
    • 94

    Chance Thunderstorms

    • 69
    • 93

    Rain Showers Likely

    • 66
    • 86

    Chance Rain Showers

    • 68
    • 88

    Chance Thunderstorms

    • 64
    • 84

    Chance Thunderstorms

Today 8 Jun St. Charles

Showers and Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 8 Jun St. Charles

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

June Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    71 °F

  • Highest 6 June, 2026

    87.8 °F

Climate (2021–Present)

St. Louis Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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