Alton Weather Forecast

    • 45
    • 52

    Rain Showers

    • 60
    • 74

    Rain Showers

    • 30
    • 71

    Rain

    • 28
    • 38

    Chance Freezing Rain

    • 34
    • 47

    Chance Rain/Snow

    • 41
    • 54

    Rain/Snow Likely

    • 40
    • 57

    Chance Rain

Today 18 Feb Madison

Breezy, warmer. Partly sunny. High in the lower 50s. Southeast wind 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 18 Feb Madison

Partly cloudy in the Evening, then cloudy with Showers and chance of Thunderstorms after midnight. Low in the mid 40s. Temperature rising into the 50s. South wind 10 to 15 Mph. Gusts up to 25 Mph after midnight. Chance of rain 80 percent.

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Alton Temperature Statistics

February Temperature

St. Louis Regional Airport (8.1 miles)

  • Lowest 5 February, 2018

    1.4 °F
  • Average February

    28 °F
  • Highest 15 February, 2018

    77 °F

Climate (2010–Present)

St. Louis Regional Airport (8.1 miles)

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  • Average Low 2010–Present

    44.1 °F
  • Average 2010–Present

    51.8 °F
  • Average High 2010–Present

    63.6 °F
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