Mendota Weather Forecast

    • 12
    • 20

    Snow Likely

    • 25
    • 28

    Mostly Cloudy

    • 10
    • 31

    Chance Snow

    • 11
    • 19

    Partly Sunny

    • 14
    • 24

    Partly Sunny

    • 15
    • 26

    Mostly Cloudy

Today 29 Dec La Salle

Cloudy. A chance of Flurries. Windy. Near steady temperature around 19. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 29 Dec La Salle

Mostly cloudy and Blustery. Near steady temperature around 15. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 10 to 15 Mph after midnight.

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Mendota Temperature Statistics

December Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 14 December, 2025

    -3.3 °F

  • Average December

    27.2 °F

  • Highest 18 December, 2025

    52.7 °F

Climate (2020–Present)

Illinois Valley Regional Airport (13 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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