Mendota Weather Forecast

    • 1
    • 15

    Decreasing Clouds

    • 1
    • 17

    Mostly Sunny

    • -1
    • 14

    Partly Sunny

    • 3
    • 14

    Partly Sunny

    • 6
    • 21

    Mostly Sunny

    • 11
    • 25

    Slight Chance Snow

Today 27 Jan La Salle

Partly cloudy in the Morning, then becoming mostly cloudy. Patchy blowing and Drifting snow. A chance of Flurries in the afternoon. Blustery. Highs around 15. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 27 Jan La Salle

Mostly clear. Lows around 1 above. West Winds 5 to 10 Mph. Wind chill Values as low as 13 below after midnight.

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Mendota Temperature Statistics

January Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 23 January, 2026

    -7.6 °F

  • Average January

    25.4 °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

    52.6 °F

  • Average High 2021–2026

    62.1 °F
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