Mark Twain National Wildlife Refuge Weather Forecast

    • 55
    • 66

    Rain Showers Likely

    • 60
    • 80

    Rain Showers Likely

    • 58
    • 74

    Rain Showers Likely

    • 38
    • 71

    Rain Showers Likely

    • 34
    • 52

    Mostly Cloudy

    • 45
    • 57

    Rain Showers Likely

Today 27 Mar Calhoun

Showers likely with a slight chance of Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the lower 60s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 27 Mar Calhoun

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Not as cool with Lows in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

Mark Twain National Wildlife Refuge Temperature Statistics

March Temperature

St. Charles, St. Charles County Smartt Airport (19.3 miles)

  • Lowest 2 March, 2025

    19.9 °F

  • Average March

    50.1 °F

  • Highest 14 March, 2025

    85.6 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (19.3 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    68.3 °F
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