Mendota Weather Forecast

    • 13
    • 35

    Chance Snow Showers

    • 18
    • 24

    Snow

    • 2
    • 25

    Chance Snow

    • -8
    • 9

    Snow Likely

    • -7
    • 3

    Cold

    • 12
    • 21

    Mostly Cloudy

Today 10 Dec La Salle

A chance of rain early in the morning. Snow in the Morning, then a slight chance of snow Showers in the afternoon. Total snow accumulation around an inch. Windy. Highs in the lower 30s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph, becoming 15 to 20 Mph with Gusts up to 30 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 10 Dec La Salle

Mostly cloudy. A slight chance of snow Showers in the evening. Lows around 15. Northwest Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of precipitation 20 percent.

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Mendota Temperature Statistics

December Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 5 December, 2025

    0 °F

  • Average December

    20.4 °F

  • Highest 3 December, 2025

    32.9 °F

Climate (2020–Present)

Illinois Valley Regional Airport (13 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
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