East Alton Weather Forecast

    • 69
    • 84

    Rain Showers

    • 66
    • 86

    Mostly Sunny

    • 69
    • 87

    Mostly Sunny

    • 71
    • 89

    Slight Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

    • 73
    • 92

    Mostly Sunny

Today 11 Jul Madison

Showers likely with a chance of Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the lower 80s. Southwest Winds around 5 Mph, becoming north this afternoon. Chance of rain 90 percent.

Tonight 11 Jul Madison

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 60s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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East Alton Temperature Statistics

July Temperature

St. Louis Regional Airport (3.7 miles)

  • Lowest 5 July, 2026

    68.7 °F

  • Average July

    78 °F

  • Highest 2 July, 2026

    93.2 °F

Climate (2021–2026)

St. Louis Regional Airport (3.7 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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