Meppen Weather Forecast

    • 62
    • 86

    Mostly Cloudy

    • 73
    • 85

    Isolated Thunderstorms

    • 70
    • 96

    Chance Thunderstorms

    • 72
    • 93

    Chance Rain Showers

    • 70
    • 91

    Chance Thunderstorms

    • 68
    • 89

    Chance Rain Showers

    • 66
    • 86

    Slight Chance Thunderstorms

Today 13 Sep Calhoun

Sunny. Near steady temperature in the mid 80s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 13 Sep Calhoun

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 60. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Meppen Temperature Statistics

September Temperature

St. Charles, St. Charles County Smartt Airport (9.9 miles)

  • Lowest 8 September, 2026

    62.7 °F

  • Average September

    81.8 °F

  • Highest 2 September, 2026

    101.6 °F

Climate (2021–2026)

St. Charles, St. Charles County Smartt Airport (9.9 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69 °F
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