Upper Mississippi Conservation Area Weather Forecast

    • 27
    • 53

    Mostly Sunny

    • 41
    • 55

    Increasing Clouds

    • 56
    • 69

    Partly Sunny

    • 66
    • 82

    Partly Sunny

    • 46
    • 82

    Rain Likely

    • 41
    • 57

    Rain Likely

    • 46
    • 55

    Chance Rain

Today 27 Mar Lincoln

Mostly sunny. Much cooler with Highs in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 27 Mar Lincoln

Mostly clear. Widespread frost after midnight. Cooler with Lows in the mid 20s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Mississippi Conservation Area Temperature Statistics

March Temperature

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

  • Lowest 17 March, 2026

    14.6 °F

  • Average March

    52 °F

  • Highest 20 March, 2026

    89.7 °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

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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