South Chicago Heights Weather Forecast

    • 15
    • 32

    Snow Showers

    • -5
    • 23

    Partly Sunny

    • -6
    • 0

    Cold

    • 4
    • 10

    Slight Chance Snow Showers

    • 2
    • 16

    Slight Chance Snow Showers

    • 7
    • 17

    Partly Sunny

Today 21 Jan Southern Cook

Mostly cloudy. Snow likely early in the Morning, then a chance of Flurries late in the morning. Total snow accumulation around an inch. Highs in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 21 Jan Southern Cook

Mostly cloudy. Numerous snow Showers early in the Evening, then scattered snow Showers late in the evening. Patchy blowing and Drifting snow in the late evening and early morning. Little or no snow accumulation. Blustery with Lows around 15. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 60 percent.

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South Chicago Heights Temperature Statistics

January Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 18 January, 2026

    8.6 °F

  • Average January

    30.2 °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

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.3 °F
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