Mendota Weather Forecast

    • -7
    • -2

    Cold

    • 4
    • 7

    Snow Likely

    • -2
    • 13

    Chance Snow

    • 4
    • 12

    Partly Sunny

    • 2
    • 19

    Partly Sunny

    • -2
    • 14

    Partly Sunny

Today 23 Jan La Salle

Mostly sunny. Highs around zero. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph late in the morning. Wind chill Values as low as 33 below.

Tonight 23 Jan La Salle

Mostly cloudy. Near steady temperature around 5 below. North Winds 5 to 10 Mph. Wind chill Values as low as 22 below.

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Mendota Temperature Statistics

January Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 19 January, 2026

    1.4 °F

  • Average January

    29.1 °F

  • Highest 8 January, 2026

    62.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (13 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.2 °F
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