Mount Pleasant Weather Forecast

    • 54
    • 62

    Clearing Late

    • 50
    • 73

    Mostly Sunny

    • 38
    • 74

    Chance Thunderstorms

    • 32
    • 51

    Partly Sunny

    • 27
    • 46

    Chance Snow

    • 20
    • 40

    Mostly Sunny

Today 17 Feb St. Louis City

Mostly cloudy. Highs in the lower 60s. South Winds 15 to 20 Mph.

Tonight 17 Feb St. Louis City

Mostly cloudy. A slight chance of rain after midnight. Not as cool. Near steady temperature in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

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Mount Pleasant Temperature Statistics

February Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 1 February, 2026

    -1.4 °F

  • Average February

    36.1 °F

  • Highest 10 February, 2026

    69.1 °F

Climate (2021–Present)

St. Louis Downtown Airport (4.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.9 °F
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