South Chicago Heights Weather Forecast

    • 9
    • 19

    Snow Showers

    • 7
    • 24

    Snow Showers

    • 16
    • 24

    Chance Snow

    • 18
    • 30

    Slight Chance Snow

    • 17
    • 29

    Chance Snow

    • 11
    • 25

    Slight Chance Snow

    • 21
    • 28

    Chance Snow

Today 30 Jan Southern Cook

Snow Showers. Snow accumulation 1 to 2 Inches. Highs around 18. Northwest Winds 5 to 10 Mph, becoming north in the afternoon. Chance of precipitation near 100 percent.

Tonight 30 Jan Southern Cook

Mostly cloudy. Isolated snow Showers after Midnight, then scattered snow Showers late. Snow accumulation around an inch possible. Lows around 10 above. Northwest Winds around 10 Mph. Chance of precipitation 50 percent.

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South Chicago Heights Temperature Statistics

January Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 23 January, 2026

    -6.7 °F

  • Average January

    22.9 °F

  • Highest 8 January, 2026

    61.3 °F

Climate (2021–Present)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.3 °F
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