Alto Pass Weather Forecast

    • 48
    • 71

    Rain Showers Likely

    • 45
    • 68

    Mostly Sunny

    • 55
    • 71

    Chance Thunderstorms

    • 64
    • 77

    Rain Showers Likely

    • 65
    • 79

    Chance Thunderstorms

    • 62
    • 79

    Rain Showers Likely

Today 23 Apr Union

Sunny this Morning, then partly sunny with a chance of Showers this afternoon. Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 23 Apr Union

Cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 50 percent.

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Alto Pass Temperature Statistics

April Temperature

Southern Illinois Airport (14.9 miles)

  • Lowest 6 April, 2024

    29.8 °F

  • Average April

    59.8 °F

  • Highest 15 April, 2024

    87.7 °F

Climate (2019–Present)

Southern Illinois Airport (14.9 miles)

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  • Average Low 2019–2024

    47.5 °F

  • Average 2019–2024

    57.4 °F

  • Average High 2019–2024

    68.1 °F
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