Mount Pleasant Weather Forecast

    • 76
    • 95

    Chance Thunderstorms

    • 75
    • 95

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 71
    • 89

    Slight Chance Thunderstorms

    • 72
    • 90

    Mostly Sunny

    • 73
    • 91

    Slight Chance Thunderstorms

Today 3 Jul St. Louis City

Mostly sunny with a chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. South Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 108.

Tonight 3 Jul St. Louis City

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.

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Mount Pleasant Temperature Statistics

July Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 1 July, 2026

    73.9 °F

  • Average July

    84.7 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

St. Louis Downtown Airport (4.3 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.3 °F
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