South Roxana Weather Forecast

    • 74
    • 88

    Partly Sunny

    • 77
    • 93

    Chance Thunderstorms

    • 78
    • 96

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 69
    • 88

    Slight Chance Thunderstorms

    • 70
    • 88

    Slight Chance Thunderstorms

Today 25 Jul Madison

Mostly sunny and warmer. Near steady temperature in the mid 80s. West Winds around 5 Mph. Heat index Values up to 100.

Tonight 25 Jul Madison

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds around 5 Mph this Evening, becoming light and variable. Heat index Values up to 106 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Roxana Temperature Statistics

July Temperature

St. Louis Regional Airport (4.3 miles)

  • Lowest 23 July, 2026

    60.4 °F

  • Average July

    76.9 °F

  • Highest 2 July, 2026

    93.2 °F

Climate (2021–2026)

St. Louis Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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