Thornton Weather Forecast

    • 18
    • 28

    Snow

    • 18
    • 23

    Mostly Cloudy

    • 7
    • 33

    Chance Snow

    • 1
    • 17

    Partly Sunny

    • 18
    • 25

    Chance Snow

    • 20
    • 30

    Slight Chance Snow

Today 1 Dec Southern Cook

Intermittent Flurries early in the afternoon. Snow late. Snow accumulation around an inch. Highs in the upper 20s. South Winds around 5 Mph. Chance of precipitation near 100 percent.

Tonight 1 Dec Southern Cook

Snow, mainly in the evening. Total snow accumulation of 2 to 4 Inches. Lows around 18. South Winds around 5 Mph, becoming west after midnight. Chance of precipitation near 100 percent.

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Thornton Temperature Statistics

December Temperature

Lansing Municipal Airport (4.3 miles)

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Climate (2020–Present)

Lansing Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    60.4 °F
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