Upper Mississippi Conservation Area Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 58
    • 81

    Partly Sunny

    • 58
    • 77

    Slight Chance Rain Showers

    • 56
    • 72

    Chance Rain Showers

    • 56
    • 70

    Chance Rain Showers

    • 57
    • 71

    Rain Showers Likely

Today 28 Oct Lincoln

Sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 28 Oct Lincoln

Mostly clear. Lows in the mid 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Mississippi Conservation Area Temperature Statistics

October Temperature

St. Charles, St. Charles County Smartt Airport (22.4 miles)

  • Lowest 18 October, 2026

    37.7 °F

  • Average October

    64.3 °F

  • Highest 12 October, 2026

    93.7 °F

Climate (2021–2026)

St. Charles, St. Charles County Smartt Airport (22.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    69.1 °F
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