Mendota Weather Forecast

    • 6
    • 27

    Chance Snow

    • 14
    • 22

    Mostly Cloudy

    • 32
    • 38

    Mostly Cloudy

    • 18
    • 34

    Chance Snow

    • 6
    • 25

    Chance Snow

    • -3
    • 14

    Mostly Cloudy

Today 7 Dec La Salle

Mostly cloudy in the Morning, then becoming partly cloudy. Snow likely and a slight chance of freezing rain early in the morning. Little or no snow accumulation. Highs in the upper 20s. Temperature falling to around 19 in the afternoon. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 7 Dec La Salle

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 8 above. North Winds 5 to 10 Mph.

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Mendota Temperature Statistics

December Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 5 December, 2025

    0 °F

  • Average December

    19 °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

    62.2 °F
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