Mount Pleasant Weather Forecast

    • 25
    • 47

    Chance Rain/Snow

    • 27
    • 39

    Mostly Sunny

    • 37
    • 53

    Mostly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 23
    • 44

    Mostly Cloudy

    • 27
    • 36

    Partly Sunny

Today 10 Jan St. Louis City

Mostly cloudy with rain likely in the Morning, then sunny in the afternoon. Highs in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 10 Jan St. Louis City

Partly cloudy with a slight chance of rain and snow in the Evening, then mostly clear after midnight. Cooler with Lows in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.

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Mount Pleasant Temperature Statistics

January Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 4 January, 2026

    19 °F

  • Average January

    39.8 °F

  • Highest 6 January, 2026

    68 °F

Climate (2021–Present)

St. Louis Downtown Airport (4.3 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.7 °F
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