Howell Island State Wildlife Area Weather Forecast

    • 59
    • 83

    Increasing Clouds

    • 63
    • 83

    Chance Thunderstorms

    • 65
    • 84

    Rain Showers Likely

    • 66
    • 83

    Rain Showers Likely

    • 63
    • 79

    Rain Showers Likely

    • 61
    • 78

    Chance Rain Showers

Today 25 May St. Charles

Mostly sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 25 May St. Charles

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. East Winds around 5 Mph.

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Howell Island State Wildlife Area Temperature Statistics

May Temperature

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

  • Lowest 7 May, 2026

    36.6 °F

  • Average May

    62.6 °F

  • Highest 17 May, 2026

    86.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.8 °F
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