Howell Island State Wildlife Area Weather Forecast

    • 70
    • 90

    Decreasing Clouds

    • 74
    • 97

    Hot

    • 77
    • 100

    Hot

    • 78
    • 99

    Hot

    • 78
    • 99

    Hot

    • 76
    • 98

    Hot

Today 29 Aug St. Charles

Mostly sunny. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph.

Tonight 29 Aug St. Charles

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Howell Island State Wildlife Area Temperature Statistics

August Temperature

St. Louis, Spirit Of St. Louis Airport (2.5 miles)

  • Lowest 24 August, 2026

    57 °F

  • Average August

    78 °F

  • Highest 11 August, 2026

    95.6 °F

Climate (2021–2026)

St. Louis, Spirit Of St. Louis Airport (2.5 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    68.9 °F
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