Alto Pass Weather Forecast

    • 22
    • 32

    Mostly Cloudy

    • 24
    • 35

    Snow/Sleet

    • 21
    • 32

    Partly Sunny

    • 21
    • 40

    Mostly Cloudy

    • 19
    • 28

    Mostly Cloudy

    • 26
    • 33

    Slight Chance Rain Showers

Today 30 Nov Union

Partly sunny. Highs in the mid 30s. Northwest Winds 5 to 10 Mph.

Tonight 30 Nov Union

Mostly cloudy. Near steady temperature in the mid 20s. North Winds around 5 Mph.

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Alto Pass Temperature Statistics

November Temperature

Southern Illinois Airport (14.9 miles)

  • Lowest 11 November, 2025

    23 °F

  • Average November

    49.9 °F

  • Highest 14 November, 2025

    75.9 °F

Climate (2020–Present)

Southern Illinois Airport (14.9 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.8 °F
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