Upper Mississippi Waterfowl Area Weather Forecast

    • 71
    • 93

    Rain Showers

    • 66
    • 78

    Rain Showers

    • 48
    • 83

    Rain Showers

    • 37
    • 62

    Mostly Sunny

    • 39
    • 64

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

    • 50
    • 74

    Partly Sunny

Today 13 Oct St. Charles

Mostly sunny. Highs in the upper 70s.

Tonight 13 Oct St. Charles

Clear this Evening, then partly cloudy with Showers likely with a chance of Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Mississippi Waterfowl Area Temperature Statistics

October Temperature

St. Louis Regional Airport (9.3 miles)

  • Lowest 6 October, 2026

    43.2 °F

  • Average October

    61.3 °F

  • Highest 1 October, 2026

    89.6 °F

Climate (2021–2026)

St. Louis Regional Airport (9.3 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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