Upper Mississippi Conservation Area Weather Forecast

    • 41
    • 74

    Sunny

    • 56
    • 74

    Rain Showers Likely

    • 65
    • 83

    Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 71
    • 86

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers Likely

    • 61
    • 79

    Rain Showers Likely

Today 13 May Lincoln

Sunny. Near steady temperature in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 13 May Lincoln

Clear, cooler with Lows in the mid 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Mississippi Conservation Area Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    40.6 °F

  • Average May

    59.3 °F

  • Highest 4 May, 2026

    81.6 °F

Climate (2021–Present)

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 °F

  • Average High 2021–2026

    68.9 °F
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